Product Description
7.5KW 10Hp Screw Air Compressor Rotary Screw Type Air Compressors With Dryer and Tank
Main Features:
1. The flexible belt will be automatically tensioned in use. Through adjusting the tension, minimize the loss of pressure and power, to enhance the efficiency of compression.
2. Using the precise spin-oil separator and special two-pole buffer separation, it can minimize the oil consumption, guarantee the outlet gas purity, and extend the lifetime of filter elements.
3. With the toothed V-belt, it has good heat dissipation, long life, higher gear drive and transmission efficiency, as high as over 98%.
Oil Filter: Good Quality filters ensure longer working life and save the maintenance time and cost.
Stainless Steel Hoses: High and low temperature resistant, high pressure resistant.
Compressed Air Vessel: Reduction of pressure drops and energy costs, quality air with low oil content.
Air End: Imported DLOL air end, advanced profile design.
Electric Motor: Premium efficiency Totally TEFC IP54/IP55 motor (Class F insulation) protects against dust and chemicals etc.
Air Filter: Two-stage dust removal and filtering system with efficiency of up to 99.9% even in heavy-duty environment.
Cooler: High quality aluminum material, alternating expression cooler fins, ensure the perfect radiating effect.
Technical parameters:
Our workshop:
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| After-sales Service: | Free Spare Parts |
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| Warranty: | One Year |
| Lubrication Style: | Lubricated |
| Cooling System: | Air Cooling |
| Power Source: | AC Power |
| Cylinder Position: | Vertical |
| Customization: |
Available
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Can air compressors be used for shipbuilding and maritime applications?
Air compressors are widely used in shipbuilding and maritime applications for a variety of tasks and operations. The maritime industry relies on compressed air for numerous essential functions. Here’s an overview of how air compressors are employed in shipbuilding and maritime applications:
1. Pneumatic Tools and Equipment:
Air compressors are extensively used to power pneumatic tools and equipment in shipbuilding and maritime operations. Pneumatic tools such as impact wrenches, drills, grinders, sanders, and chipping hammers require compressed air to function. The versatility and power provided by compressed air make it an ideal energy source for heavy-duty tasks, maintenance, and construction activities in shipyards and onboard vessels.
2. Painting and Surface Preparation:
Air compressors play a crucial role in painting and surface preparation during shipbuilding and maintenance. Compressed air is used to power air spray guns, sandblasting equipment, and other surface preparation tools. Compressed air provides the force necessary for efficient and uniform application of paints, coatings, and protective finishes, ensuring the durability and aesthetics of ship surfaces.
3. Pneumatic Actuation and Controls:
Air compressors are employed in pneumatic actuation and control systems onboard ships. Compressed air is used to operate pneumatic valves, actuators, and control devices that regulate the flow of fluids, control propulsion systems, and manage various shipboard processes. Pneumatic control systems offer reliability and safety advantages in maritime applications.
4. Air Start Systems:
In large marine engines, air compressors are used in air start systems. Compressed air is utilized to initiate the combustion process in the engine cylinders. The compressed air is injected into the cylinders to turn the engine’s crankshaft, enabling the ignition of fuel and starting the engine. Air start systems are commonly found in ship propulsion systems and power generation plants onboard vessels.
5. Pneumatic Conveying and Material Handling:
In shipbuilding and maritime operations, compressed air is used for pneumatic conveying and material handling. Compressed air is utilized to transport bulk materials, such as cement, sand, and grain, through pipelines or hoses. Pneumatic conveying systems enable efficient and controlled transfer of materials, facilitating construction, cargo loading, and unloading processes.
6. Air Conditioning and Ventilation:
Air compressors are involved in air conditioning and ventilation systems onboard ships. Compressed air powers air conditioning units, ventilation fans, and blowers, ensuring proper air circulation, cooling, and temperature control in various ship compartments, cabins, and machinery spaces. Compressed air-driven systems contribute to the comfort, safety, and operational efficiency of maritime environments.
These are just a few examples of how air compressors are utilized in shipbuilding and maritime applications. Compressed air’s versatility, reliability, and convenience make it an indispensable energy source for various tasks and systems in the maritime industry.
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What safety precautions should be taken when working with compressed air?
Working with compressed air requires adherence to certain safety precautions to prevent accidents and ensure the well-being of individuals involved. Here are some important safety measures to consider:
1. Personal Protective Equipment (PPE):
Wear appropriate PPE, including safety goggles or a face shield to protect eyes from flying debris or particles, hearing protection to reduce noise exposure, and gloves to safeguard hands from potential hazards.
2. Compressed Air Storage:
Avoid storing compressed air in containers that are not designed for this purpose, such as soda bottles or makeshift containers. Use approved and properly labeled air storage tanks or cylinders that can handle the pressure and are regularly inspected and maintained.
3. Pressure Regulation:
Ensure that the air pressure is regulated to a safe level suitable for the equipment and tools being used. High-pressure air streams can cause serious injuries, so it is important to follow the manufacturer’s recommendations and never exceed the maximum allowable pressure.
4. Air Hose Inspection:
Regularly inspect air hoses for signs of damage, such as cuts, abrasions, or leaks. Replace damaged hoses immediately to prevent potential accidents or loss of pressure.
5. Air Blowguns:
Exercise caution when using air blowguns. Never direct compressed air towards yourself or others, as it can cause eye injuries, hearing damage, or dislodge particles that may be harmful if inhaled. Always point blowguns away from people or any sensitive equipment or materials.
6. Air Tool Safety:
Follow proper operating procedures for pneumatic tools. Ensure that tools are in good working condition, and inspect them before each use. Use the appropriate accessories, such as safety guards or shields, to prevent accidental contact with moving parts.
7. Air Compressor Maintenance:
Maintain air compressors according to the manufacturer’s guidelines. Regularly check for leaks, clean or replace filters, and drain moisture from the system. Proper maintenance ensures the safe and efficient operation of the compressor.
8. Training and Education:
Provide adequate training and education to individuals working with compressed air. Ensure they understand the potential hazards, safe operating procedures, and emergency protocols. Encourage open communication regarding safety concerns and implement a culture of safety in the workplace.
9. Lockout/Tagout:
When performing maintenance or repairs on compressed air systems, follow lockout/tagout procedures to isolate the equipment from energy sources and prevent accidental startup. This ensures the safety of the individuals working on the system.
10. Proper Ventilation:
Ensure proper ventilation in enclosed areas where compressed air is used. Compressed air can displace oxygen, leading to a potential risk of asphyxiation. Adequate ventilation helps maintain a safe breathing environment.
By adhering to these safety precautions, individuals can minimize the risks associated with working with compressed air and create a safer work environment.
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How is air pressure measured in air compressors?
Air pressure in air compressors is typically measured using one of two common units: pounds per square inch (PSI) or bar. Here’s a brief explanation of how air pressure is measured in air compressors:
1. Pounds per Square Inch (PSI): PSI is the most widely used unit of pressure measurement in air compressors, especially in North America. It represents the force exerted by one pound of force over an area of one square inch. Air pressure gauges on air compressors often display pressure readings in PSI, allowing users to monitor and adjust the pressure accordingly.
2. Bar: Bar is another unit of pressure commonly used in air compressors, particularly in Europe and many other parts of the world. It is a metric unit of pressure equal to 100,000 pascals (Pa). Air compressors may have pressure gauges that display readings in bar, providing an alternative measurement option for users in those regions.
To measure air pressure in an air compressor, a pressure gauge is typically installed on the compressor’s outlet or receiver tank. The gauge is designed to measure the force exerted by the compressed air and display the reading in the specified unit, such as PSI or bar.
It’s important to note that the air pressure indicated on the gauge represents the pressure at a specific point in the air compressor system, typically at the outlet or tank. The actual pressure experienced at the point of use may vary due to factors such as pressure drop in the air lines or restrictions caused by fittings and tools.
When using an air compressor, it is essential to set the pressure to the appropriate level required for the specific application. Different tools and equipment have different pressure requirements, and exceeding the recommended pressure can lead to damage or unsafe operation. Most air compressors allow users to adjust the pressure output using a pressure regulator or similar control mechanism.
Regular monitoring of the air pressure in an air compressor is crucial to ensure optimal performance, efficiency, and safe operation. By understanding the units of measurement and using pressure gauges appropriately, users can maintain the desired air pressure levels in their air compressor systems.


editor by CX 2024-02-22
China supplier Chinese CHINAMFG Factory Price Intelligent PLC Control CE Level High Quality Professional Electric Motor Powered Direct Screw Air Compressor with ISO Certification with Good quality
Product Description
BEEST—-AIR COMPRESSOR&SOLUTION
Moair Energy Conservation Durable Two Stage Screw Air Compressor with Double Permanent Magnet Motor
1. Company background
ZheJiang CHINAMFG International Trade Co., Ltd. is the senior partner of HangZhou CHINAMFG Compressor Co., Ltd , we are committed to the sales and after-sales service of air compressors in Southeast Asia, and have stores in Indonesia.
We are the professional manufacturer of the air compressor products of various types including the permanent-magnet synchronous variable-frequency series,permanent-magnet synchronous low-pressure series,permanent-magnet sunchronous two-stage compressors series,etc.
More than 10 years of professional screw compressors manufacturing technology,bringing the international first-class permanent magnet synchronous drive and control technologies.
2. Product introduction
Equipped with an IE3 motor, the direct drive rotary screw air compressor consists of a high-accuracy screw and high-quality casting, with a wide variable range of parameters.
3.Core components
Motor
- More stable: no mechanical transmission troubles
There is no gear shaft in the air compressor and the effective permanent magnet motor and the male rotor are directly connected on 1 shaft without gear drive, which can eliminate pitting of gear or hidden troubles of tooth fracture.
Without shaft coupling, 2 integrated PM motors directly drive 2 airends of the air compressor, avoiding the hidden troubles of shaft coupling failure. - More energy-savings: the airend is always in a smooth running state
The 2 stage 3 phase permanent magnet rotary gear screw air compressor of CHINAMFG is powered by 2 independent PM motors and 2 independent inverters, which is intelligently controlled such as keep the airend running at a best level-pressure point by controlling discharge pressure and interstage pressure under the circumstance of different rotary speed and different pressure. The best running speed of air compressor can be automatically calculated while running and then the compression ratio can be balanced by final match, which can keep the compressor in a best running state, thus obtaining the highest efficiency. - More effective: high-efficiency permanent magnet motor and no gear drive loss.
With a motor of a high protection degree of IP54, it is more energy-saving and it can stay effective at low frequency and low speed. - More environment-friendly operation with lower noise
No noise of motor bearings, gear meshing and coupling transmission. - More structure-compact
The volume of PM motor is small and the structure is compact, which can save much space.
4.Parameters
5. Principle of energy-saving
- Change the traditional induction motor with high-efficiency technology of permanent magnet rotary screw motor, thus reducing the consumption in transmission.
- Powered by 2 independent PM motors and 2 independent inverters, the compressor is intelligently controlled such as keep the airend running at a best level-pressure point by controlling pressure of air flow and interstage pressure under the circumstance of different rotary speed and different pressure. The best running speed of compressor can be automatically calculated while running and then the compression ratio can be balanced by final match, which can keep the compressor in a best running state, thus obtaining the highest efficiency.
- Because the gear ratio is fixed, point efficiency is emphasized in this case. That is to say, only with fixed rotary speed and rated pressure did it have the best specific power. When running in a state of variable speed and variable frequency, considering the fixed speed of gear, interstage pressure will not reach the best one. Rotational speed declining while energy consumption not declining at the same time, it is not suitable for running in variable speed and variable frequency state.
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| After-sales Service: | Online Service |
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| Warranty: | One Year |
| Lubrication Style: | Lubricated |
| Cooling System: | Air Cooling |
| Power Source: | AC Power |
| Cylinder Position: | Vertical |
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Can air compressors be used for gas compression and storage?
Yes, air compressors can be used for gas compression and storage. While air compressors are commonly used to compress and store air, they can also be utilized for compressing and storing other gases, depending on the specific application requirements. Here’s how air compressors can be used for gas compression and storage:
Gas Compression:
Air compressors can compress various gases by utilizing the same principles applied to compressing air. The compressor takes in the gas at a certain pressure, and through the compression process, it increases the pressure and reduces the volume of the gas. This compressed gas can then be used for different purposes, such as in industrial processes, gas pipelines, or storage systems.
Gas Storage:
Air compressors can also be used for gas storage by compressing the gas into storage vessels or tanks. The compressed gas is stored at high pressure within these vessels until it is needed for use. Gas storage is commonly employed in industries where a continuous and reliable supply of gas is required, such as in natural gas storage facilities or for storing compressed natural gas (CNG) used as a fuel for vehicles.
Gas Types:
While air compressors are primarily designed for compressing air, they can be adapted to handle various gases, including but not limited to:
- Nitrogen
- Oxygen
- Hydrogen
- Carbon dioxide
- Natural gas
- Refrigerant gases
It’s important to note that when using air compressors for gas compression and storage, certain considerations must be taken into account. These include compatibility of the compressor materials with the specific gas being compressed, ensuring proper sealing to prevent gas leaks, and adhering to safety regulations and guidelines for handling and storing compressed gases.
By leveraging the capabilities of air compressors, it is possible to compress and store gases efficiently, providing a reliable supply for various industrial, commercial, and residential applications.
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How do you maintain proper air quality in compressed air systems?
Maintaining proper air quality in compressed air systems is essential to ensure the reliability and performance of pneumatic equipment and the safety of downstream processes. Here are some key steps to maintain air quality:
1. Air Filtration:
Install appropriate air filters in the compressed air system to remove contaminants such as dust, dirt, oil, and water. Filters are typically placed at various points in the system, including the compressor intake, aftercoolers, and before point-of-use applications. Regularly inspect and replace filters to ensure their effectiveness.
2. Moisture Control:
Excessive moisture in compressed air can cause corrosion, equipment malfunction, and compromised product quality. Use moisture separators or dryers to remove moisture from the compressed air. Refrigerated dryers, desiccant dryers, or membrane dryers are commonly employed to achieve the desired level of dryness.
3. Oil Removal:
If the compressed air system utilizes oil-lubricated compressors, it is essential to incorporate proper oil removal mechanisms. This can include coalescing filters or adsorption filters to remove oil aerosols and vapors from the air. Oil-free compressors eliminate the need for oil removal.
4. Regular Maintenance:
Perform routine maintenance on the compressed air system, including inspections, cleaning, and servicing of equipment. This helps identify and address any potential issues that may affect air quality, such as leaks, clogged filters, or malfunctioning dryers.
5. Air Receiver Tank Maintenance:
Regularly drain and clean the air receiver tank to remove accumulated contaminants, including water and debris. Proper maintenance of the tank helps prevent contamination from being introduced into the compressed air system.
6. Air Quality Testing:
Periodically test the quality of the compressed air using appropriate instruments and methods. This can include measuring particle concentration, oil content, dew point, and microbial contamination. Air quality testing provides valuable information about the effectiveness of the filtration and drying processes and helps ensure compliance with industry standards.
7. Education and Training:
Educate personnel working with compressed air systems about the importance of air quality and the proper procedures for maintaining it. Provide training on the use and maintenance of filtration and drying equipment, as well as awareness of potential contaminants and their impact on downstream processes.
8. Documentation and Record-Keeping:
Maintain accurate records of maintenance activities, including filter replacements, drying system performance, and air quality test results. Documentation helps track the system’s performance over time and provides a reference for troubleshooting or compliance purposes.
By implementing these practices, compressed air systems can maintain proper air quality, minimize equipment damage, and ensure the integrity of processes that rely on compressed air.
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What are the key components of an air compressor system?
An air compressor system consists of several key components that work together to generate and deliver compressed air. Here are the essential components:
1. Compressor Pump: The compressor pump is the heart of the air compressor system. It draws in ambient air and compresses it to a higher pressure. The pump can be reciprocating (piston-driven) or rotary (screw, vane, or scroll-driven) based on the compressor type.
2. Electric Motor or Engine: The electric motor or engine is responsible for driving the compressor pump. It provides the power necessary to operate the pump and compress the air. The motor or engine’s size and power rating depend on the compressor’s capacity and intended application.
3. Air Intake: The air intake is the opening or inlet through which ambient air enters the compressor system. It is equipped with filters to remove dust, debris, and contaminants from the incoming air, ensuring clean air supply and protecting the compressor components.
4. Compression Chamber: The compression chamber is where the actual compression of air takes place. In reciprocating compressors, it consists of cylinders, pistons, valves, and connecting rods. In rotary compressors, it comprises intermeshing screws, vanes, or scrolls that compress the air as they rotate.
5. Receiver Tank: The receiver tank, also known as an air tank, is a storage vessel that holds the compressed air. It acts as a buffer, allowing for a steady supply of compressed air during peak demand periods and reducing pressure fluctuations. The tank also helps separate moisture from the compressed air, allowing it to condense and be drained out.
6. Pressure Relief Valve: The pressure relief valve is a safety device that protects the compressor system from over-pressurization. It automatically releases excess pressure if it exceeds a predetermined limit, preventing damage to the system and ensuring safe operation.
7. Pressure Switch: The pressure switch is an electrical component that controls the operation of the compressor motor. It monitors the pressure in the system and automatically starts or stops the motor based on pre-set pressure levels. This helps maintain the desired pressure range in the receiver tank.
8. Regulator: The regulator is a device used to control and adjust the output pressure of the compressed air. It allows users to set the desired pressure level for specific applications, ensuring a consistent and safe supply of compressed air.
9. Air Outlet and Distribution System: The air outlet is the point where the compressed air is delivered from the compressor system. It is connected to a distribution system comprising pipes, hoses, fittings, and valves that carry the compressed air to the desired application points or tools.
10. Filters, Dryers, and Lubricators: Depending on the application and air quality requirements, additional components such as filters, dryers, and lubricators may be included in the system. Filters remove contaminants, dryers remove moisture from the compressed air, and lubricators provide lubrication to pneumatic tools and equipment.
These are the key components of an air compressor system. Each component plays a crucial role in the generation, storage, and delivery of compressed air for various industrial, commercial, and personal applications.


editor by CX 2024-02-18
China supplier Twin-Screw Industrial Screw Type Air Compressor for Sale small air compressor
Product Description
REDUCE ENERGY CONSUMPTION
Under different conditions,the demand for gas will float.Through a large number of research and calculation of marketdemandCha nun confirmed it.Only about 10% of applications require stable air supplyTherefore,frequency conversioncompressor can play a greater role in energy saving.
Energy cost often accounts for 70% of the life cycle cost of a compressor. The production of compressed air may account for 40% of all electricity costs in the plant.In almost every factory,the gas consumption will vary with different time periods,with its high and low CHINAMFG periods. permanent magnet variable frequency screw air compressor can supply glass completely according to the requirements of gas consumption,which can not only save a lot of energy, but also protect theenvironment for future generations.
INTERIOR STRUCTURE
CUSTOM OIL
COOLED MOTOR
First-stage energy-efficient motor,Low Noise,IP65 protection grade
AUTOMOTIVE GRADE
PERMANENT MAGNET MOTOR
IE4 high efficiency permanent magnet motor.
AUTOMOTIVE PERMANENT MAGNET MOTOR ForN38UH high grade permanent magnet, IP67 protection grade, and fully enclosed structure uniquevacuum epoxy dipping paint,effectively guaranteeing the stable operation of unit.
CHANUN
CUSTOM CONVERTER
Permanent magnet variable-frequency conversion technology, wide voltage. energy-saving ,with a small impact on the power grid.
7 INCH TOUCH SCREEN
Large touch screen.all-round protection monitoring with functions of motor start/stopcontrol, operation control:reversal protection of air compressor: and multi-point temperature detection and control protection.
HIGH MOBILITY (OPTIONAL)
Easy and flexible to rotate. so that the air compressor is able to move conveniently andquickly (optional)
ZheJiang CHINAMFG Machinery Manufacturing Co. , Ltd. is located in HangZhou, ZheJiang .CHINAMFG is a comprehensive screw air compressor manufacturer that engaged in R & D, design, production and sales. It has a plant of 20,000 square meters, including a large production workshop,a comprehensive first-class exhibition hall and a testing laboratory.
CHINAMFG has excellent mechanical engineering designers, an experienced staff team and a professional management team. The production concept focuses on energy-saving and is committed to perfecting and improving the technological process in order to get the core technology of super frequency energy-saving, achieving the characteristics of mute, durability, power saving and safety.
The company has 9 series of products with multiple models. Including Fixed speed air compressor, PM VSD air compressor, PM VSD two-stage air compressor, 4-in-1 air compressor, Oil free water lubrcating air compressor, Diesel portable screw air compressor, Electric portable screw air compressor, Air dryer, Adsorption machine and the matching spare parts.
Dukas adheres to the business philosophy of cooperation and mutual benefit to provide a one-stop service for every customer!
CHINAMFG air compressors not only cover the domestic market but also are exported to more than 20 countries and regions such as South Africa, Australia, Thailand, Russia, Argentina, Canada and so on.
Dukas products have won a good reputation from users for their excellent quality and style. The company has always adhered to the concept of quality first, service first and dedication to providing every customer with excellent products and meticulous after-sales service!
Dukas warmly welcome customers to visit our factory and establish a wide range of cooperation!
Frequency Asked Question:
Q1: Are you factory or trade company?
A1: We are factory.
Q2: What the exactly address of your factory?
A2: Our Factory is Located in Xihu (West Lake) Dis. County, HangZhou City, ZheJiang Province, China.
Q3: Will you provide spare parts of your products?
A3: Yes, We provide all parts to customer, so you can do repair or maintenance without trouble.
Q4: Can you accept OEM orders?
A4: Yes, with professional design team, OEM orders are highly welcome.
Q5: How long will you take to arrange production?
A5: Immediate delivery for stock products.380V 50HZ we can delivery the goods within 3-15 days. Other voltage or other color we will delivery within 25-30 days.
Q6: Warranty terms of your machine?
A6: Two years warranty for the machine and technical support always according to your needs.
Q7: Can you provide the best price?
A7:According to your order, we will provide you the best price. /* March 10, 2571 17:59:20 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1
| After-sales Service: | 24 Hours |
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| Warranty: | 2 Year |
| Lubrication Style: | Lubricated |
| Cooling System: | Air Cooling |
| Power Source: | AC Power |
| Cylinder Position: | Horizontal |
| Customization: |
Available
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Can air compressors be used for painting and sandblasting?
Yes, air compressors can be used for both painting and sandblasting applications. Here’s a closer look at how air compressors are utilized for painting and sandblasting:
Painting:
Air compressors are commonly used in painting processes, especially in automotive, industrial, and construction applications. Here’s how they are involved:
- Spray Guns: Air compressors power spray guns used for applying paint coatings. The compressed air atomizes the paint, creating a fine mist that can be evenly sprayed onto surfaces. The pressure and volume of the compressed air impact the spray pattern, coverage, and overall finish quality.
- Paint Mixers and Agitators: Compressed air is often used to power mixers and agitators that ensure proper blending of paint components. These devices use the compressed air to stir or circulate the paint, preventing settling and maintaining a consistent mixture.
- Airbrushing: Air compressors are essential for airbrushing techniques, which require precise control over airflow and pressure. Airbrushes are commonly used in artistic applications, such as illustrations, murals, and fine detailing work.
Sandblasting:
Air compressors play a crucial role in sandblasting operations, which involve propelling abrasive materials at high velocity to clean, etch, or prepare surfaces. Here’s how air compressors are used in sandblasting:
- Blasting Cabinets: Air compressors power blasting cabinets or booths, which are enclosed spaces where the sandblasting process takes place. The compressed air propels the abrasive media, such as sand or grit, through a nozzle or gun, creating a forceful stream that impacts the surface being treated.
- Abrasive Blasting Pots: Air compressors supply air to abrasive blasting pots or tanks that store and pressurize the abrasive media. The compressed air from the compressor enters the pot, pressurizing it and allowing for a controlled release of the abrasive material during the sandblasting process.
- Air Dryers and Filters: In sandblasting applications, it is crucial to have clean, dry air to prevent moisture and contaminants from affecting the abrasive blasting process and the quality of the surface being treated. Air compressors may be equipped with air dryers and filters to remove moisture, oil, and impurities from the compressed air.
When using air compressors for painting or sandblasting, it is important to consider factors such as the compressor’s pressure and volume output, the specific requirements of the application, and the type of tools or equipment being used. Consult the manufacturer’s guidelines and recommendations to ensure the air compressor is suitable for the intended painting or sandblasting tasks.
Proper safety measures, such as wearing protective gear and following established protocols, should always be followed when working with air compressors for painting and sandblasting applications.
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How do you troubleshoot common air compressor problems?
Troubleshooting common air compressor problems can help identify and resolve issues that may affect the performance and functionality of the compressor. Here are some steps to troubleshoot common air compressor problems:
1. No Power:
- Check the power source and ensure the compressor is properly plugged in.
- Inspect the circuit breaker or fuse box to ensure it hasn’t tripped or blown.
- Verify that the compressor’s power switch or control panel is turned on.
2. Low Air Pressure:
- Check the air pressure gauge on the compressor. If the pressure is below the desired level, the compressor might not be building up enough pressure.
- Inspect for air leaks in the system. Leaks can cause a drop in pressure. Listen for hissing sounds or use a soapy water solution to identify the location of leaks.
- Ensure the compressor’s intake filter is clean and not clogged, as this can restrict airflow and reduce pressure.
3. Excessive Noise or Vibration:
- Inspect the compressor’s mounting and foundation to ensure it is secure and stable. Loose mounts can cause excessive noise and vibration.
- Check for loose or damaged components, such as belts, pulleys, or motor mounts. Tighten or replace as necessary.
- Verify that the compressor’s cooling system, such as the fan or fins, is clean and free from obstructions. Overheating can lead to increased noise and vibration.
4. Air Leaks:
- Inspect all connections, valves, fittings, and hoses for leaks. Tighten or replace any loose or damaged components.
- Apply a soapy water solution to suspected areas and look for bubbles. Bubbles indicate air leaks.
- Consider using thread sealant or Teflon tape on threaded connections to ensure a proper seal.
5. Excessive Moisture in Compressed Air:
- Check the compressor’s drain valve and ensure it is functioning properly. Open the valve to release any accumulated moisture.
- Inspect and clean the compressor’s moisture separator or air dryer, if equipped.
- Consider installing additional filtration or drying equipment to remove moisture from the compressed air system.
6. Motor Overheating:
- Ensure the compressor’s cooling system is clean and unobstructed.
- Check the motor’s air intake vents and clean any dust or debris that may be blocking airflow.
- Verify that the compressor is not being operated in an excessively hot environment.
- Check the motor’s lubrication levels and ensure they are within the manufacturer’s recommended range.
- Consider using a thermal overload protector to prevent the motor from overheating.
If troubleshooting these common problems does not resolve the issue, it may be necessary to consult the manufacturer’s manual or seek assistance from a qualified technician. Regular maintenance, such as cleaning, lubrication, and inspection, can also help prevent common problems and ensure the optimal performance of the air compressor.
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How do you choose the right size of air compressor for your needs?
Choosing the right size of air compressor is essential to ensure optimal performance and efficiency for your specific needs. Here are some factors to consider when selecting the appropriate size:
1. Air Demand: Determine the air demand requirements of your applications. Calculate the total CFM (Cubic Feet per Minute) needed by considering the air consumption of all the pneumatic tools and equipment that will be operated simultaneously. Choose an air compressor with a CFM rating that meets or exceeds this total demand.
2. Pressure Requirements: Consider the required operating pressure for your applications. Check the PSI (Pounds per Square Inch) rating of the tools and equipment you will be using. Ensure that the air compressor you choose can deliver the necessary pressure consistently.
3. Duty Cycle: Evaluate the duty cycle of the air compressor. The duty cycle represents the percentage of time the compressor can operate within a given time period without overheating or experiencing performance issues. If you require continuous or heavy-duty operation, choose a compressor with a higher duty cycle.
4. Power Source: Determine the available power source at your location. Air compressors can be powered by electricity or gasoline engines. Ensure that the chosen compressor matches the available power supply and consider factors such as voltage, phase, and fuel requirements.
5. Portability: Assess the portability requirements of your applications. If you need to move the air compressor frequently or use it in different locations, consider a portable or wheeled compressor that is easy to transport.
6. Space and Noise Constraints: Consider the available space for installation and the noise restrictions in your working environment. Choose an air compressor that fits within the allocated space and meets any noise regulations or requirements.
7. Future Expansion: Anticipate any potential future expansions or increases in air demand. If you expect your air demand to grow over time, it may be wise to choose a slightly larger compressor to accommodate future needs and avoid the need for premature replacement.
8. Budget: Consider your budgetary constraints. Compare the prices of different air compressor models while ensuring that the chosen compressor meets your specific requirements. Keep in mind that investing in a higher-quality compressor may result in better performance, durability, and long-term cost savings.
By considering these factors and evaluating your specific needs, you can choose the right size of air compressor that will meet your air demand, pressure requirements, and operational preferences, ultimately ensuring efficient and reliable performance.


editor by CX 2024-02-18
China supplier Hot Sale! ! ! High Performance 7bar to 13bargerman Technology Direct Driven Rotary Industrial Oil -Free Screw Air Compressor with Good quality
Product Description
Hot Sale!!! High Performance 7bar to 13barGerman Technology Direct Driven Rotary Industrial Oil -Free Screw Air Compressor
1.About GREAT:
GREAT air compressor, as 1 leading manufacture &exporter for screw air compressor in China. Founded in 1957 years, coving 20000 square meters. With over 200 skilled employees and 20 R&D research engineers, we focus on the research, production, sales and service for screw air compressor and relative products .Our goal is to provide the high grade and most energy saving compressor for the world customer.
Our main products including screw air compressor, air dryer, air tanker, line filters and other relative compressed air products etc. we passed ISO and CE certificate. Germany standard and 60 years industry experience help us win the domestic and foreign customers praise .From 2016 opened to the world, now exporting to more than 100 countries. We have established a huge sales and service network at home and abroad. We can provide satisfied service such as consulting, training, repairing, spare parts suppling, etc.
“GREAT” as famous china brand for air compressor, our mission is to become a world-famous high-end brand and service for oversea customers. Welcome more oversea agents, dealers and distributors to join us. We also can do the OEM service for big customers
Accoring to the busniness tenet of “high efficiency,engeryg saving, realiability and durable ” GREAT provide you with high-quality products and timely service as well as customized compressed air system solutions.
2. performance characteristics for water- lubricated oil free screw air compressor :
3. Advantages for oil-free water lubrication screw air compressor:
1). No oil, cleaner
The whole air compressor does not need to add any lubricating oil inside to make the outlet gas cleaner.
2). Stainless steel, safer
The parts in contact with compressed air in the system are made of 304 or 316 stainless steel to prevent pollution in the compression process and ensure the safety of gas.
3). low speed, high efficiency, more environmental protection
The main engine and motor are connected by elastic coupling, and there is no gearbox and other variable speed device, which makes the main engine and motor rotate at the same speed, reducing noise and vibration less.
The compression temperature of the host machine is about 50ºC, close to isothermal compression, effectively reducing energy consumption.
Using water as a lubricant, the entire life cycle of the equipment does not produce any waste oil discharge.
4).Simple structure and low maintenance cost
The machine structure is simple, easy to maintain, only need to replace the air rate and water filter element, no lubricating oil, greatly reduce the maintenance cost.
4. Details for GREAT oil free water lubricated screw air compressor :
5.Technical Parameters for oil-free water lubrication screw air compressor:
| Model | Max work pressure (Mpa) | Flow air capacity (m³/min) | Motor power (kw) | Noise (dB) |
Pipe dia. Of cooling water | Cooling water volume (T/H) |
Lubricate water volume | Dimension LXWXH (mm) |
Weight (kg) |
Air outlet |
| TKW-5VA/W | 0.8 | 0.3~0.78 | 5.5 | 58 | 3/4″ | 1.5 | 10 | 800x800x1100 | 460 | 3/4″ |
| 1.0 | 0.2~0.65 | |||||||||
| TKW-7VA/W | 0.8 | 0.35~1.17 | 7.5 | 58 | 3/4″ | 1.5 | 10 | 800x800x1100 | 510 | 3/4″ |
| 1.0 | 0.3~1.05 | |||||||||
| 1.25 | 0.24~0.81 | |||||||||
| TKW-11VA/W | 0.8 | 0.54~1.65 | 11 | 60 | 1″ | 2.5 | 26 | 1200x760x1300 | 620 | 3/4″ |
| 1.0 | 0.45~1.42 | |||||||||
| 1.25 | 0.35~1.10 | |||||||||
| TKW-15VA/W | 0.8 | 0.75~2.43 | 15 | 63 | 1″ | 3.5 | 26 | 1200x760x1300 | 670 | 3/4″ |
| 1.0 | 0.65~2.17 | |||||||||
| 1.25 | 0.6~1.80 | |||||||||
| TKW-18VA/W | 0.8 | 0.9~3.13 | 18.5 | 65 | 1″ | 4 | 30 | 1400x900x1450 | 730 | 1″ |
| 1.0 | 0.9~2.82 | |||||||||
| 1.25 | 0.6~2.05 | |||||||||
| TKW-22VA/W | 0.8 | 1.1~3.52 | 22 | 65 | 1″ | 5 | 30 | 1400x900x1450 | 780 | 1″ |
| 1.0 | 0.97~3.21 | |||||||||
| 1.25 | 0.85~2.78 | |||||||||
| TKW-30VA/W | 0.8 | 1.55~5.12 | 30 | 67 | 1 1/2″ | 7 | 40 | 1550X1150X1500(A) 1500X1150X1300(W) |
1150 | 1 1/4″ |
| 1.0 | 1.255~4.43 | |||||||||
| 1.25 | 1.1~3.63 | |||||||||
| TKW-37VA/W | 0.8 | 1.91~6.30 | 37 | 67 | 1 1/2″ | 9 | 40 | 1550X1150X1500(A) 1500X1150X1300(W) |
1200 | 1 1/4″ |
| 1.0 | 1.60~5.33 | |||||||||
| 1.25 | 1.42~4.77 | |||||||||
| TKW-45VW | 0.8 | 2.5~7.4 | 45 | 68 | 1 1/2″ | 10 | 90 | 1800x1300x1750(A) 1800x1300x1680(W) |
1490 | 2″ |
| 1.0 | 1.91~6.30 | |||||||||
| 1.25 | 1.70~5.56 | |||||||||
| TKW-55VW | 0.8 | 3.0~9.76 | 55 | 70 | 1 1/2″ | 12 | 100 | 1980x1300x1750(A) 1800x1300x1680(W) |
1570 | 2″ |
| 1.0 | 2.60~8.55 | |||||||||
| 1.25 | 2.30~7.67 | |||||||||
| TKW-75VW | 0.8 | 3.95~13.00 | 75 | 73 | 1 1/2″ | 18 | 100 | 1800x1300x1750(W) | 1750 | 2″ |
| 1.0 | 3.4~11.50 | |||||||||
| 1.25 | 3.0~9.70 | |||||||||
| TKW-90VW | 0.8 | 5.0~14.8 | 90 | 73 | 1 1 /2″ | 20 | 120 | 2200x1550x1800 | 2450 | 2 1/2″ |
| 1.0 | 4.30~13.90 | |||||||||
| 1.25 | 3.72~12.60 | |||||||||
| TKW-110VW | 0.8 | 6.0~19.85 | 110 | 78 | 2″ | 24 | 120 | 2200x1550x1800 | 2580 | 2 1/2″
|
| 1.0 | 5.0~16.66 | |||||||||
| 1.25 | 4.65~15.56 | |||||||||
| TKW-132VW | 0.8 | 6.75~23.10 | 132 | 78 | 2″ | 30 | 120 | 2200x1550X1800 | 2700 | 2 1/2″ |
| 1.0 | 6.0~19.97 | |||||||||
| 1.25 | 5.07~16.90 | |||||||||
| TKW-160VW | 0.8 | 8.5~28.11 | 160 | 80 | 3″ | 35 | 160 | 3000X1800X2100 | 3900 | 3″ |
| 1.0 | 7.6~25.45 | |||||||||
| 1.25 | 6.7~22.52 | |||||||||
| TKW-185VW | 0.8 | 10~33.97 | 185 | 80 | 3″ | 38 | 160 | 3000X1800X2100 | 4050 | 3″ |
| 1.0 | 8.72~29.00 | |||||||||
| 1.25 | 7.75~25.21 | |||||||||
| TKW-200VW | 0.8 | 11.2~36.75 | 200 | 80 | 4″ | 42 | 200 | 3100X1850X2100 | 4200 | 4″ |
| 1.0 | 9.68~32.78 | |||||||||
| 1.25 | 9.2~29.24 | |||||||||
| TKW-220VW | 0.8 | 12.2~39.67 | 220 | 80 | 4″ | 47 | 200 | 3100X1850X2100 | 4400 | 4″ |
| 1.0 | 11.2~36.75 | |||||||||
| 1.25 | 9.0~29.63 | |||||||||
| TKW-250VW | 0.8 | 13.5~43.5 | 250 | 80 | 4″ | 53 | 200 | 3100X1850X2100 | 4800 | 4″ |
| 1.0 | 12.2~39.30 | |||||||||
| 1.25 | 10.2~34 |
4.Application :
6.Certification :
7. Packing and shipping :
8. FAQ Industrial Lubricated High Pressure Screw Air Compressor
Q1: Are you factory or trade company?
A1: We are factory.
Q2: Warranty terms of your machine?
A2: One year warranty for the machine and technical support according to your needs.
Q3: Will you provide some spare parts of the machines?
A3: Yes, of course.
Q4: How long will you take to arrange production?
A4: 380V 50HZ we can delivery the goods within 20 days. Other electricity or other color we will delivery within 30 days.
Q5: Can you accept OEM orders?
A5: Yes, with professional design team, OEM orders are highly welcome!
9. Contact :
/* March 10, 2571 17:59:20 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1
| Lubrication Style: | Oil-free |
|---|---|
| Cooling System: | Water Cooling |
| Power Source: | AC Power |
| Cylinder Position: | No |
| Structure Type: | Closed Type |
| Installation Type: | Stationary Type |
| Customization: |
Available
|
|
|---|
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Can Water-Lubricated Air Compressors Be Used in Cold Climates?
Water-lubricated air compressors can be used in cold climates, but there are certain considerations and precautions to keep in mind. Here’s a detailed explanation of using water-lubricated air compressors in cold climates:
Freezing of Water:
- Potential for Freezing: In cold climates, the water used for lubrication in water-lubricated compressors can freeze, which can cause operational issues and damage to the equipment. Freezing can occur in the water supply lines, lubrication system, or water jackets if the temperature drops below the freezing point of water.
- Water Temperature: It is important to ensure that the water temperature remains above freezing throughout the compressor system. This can be achieved by using insulation, heat tracing, or heaters to maintain adequate water temperature. Monitoring the water temperature and implementing appropriate heating measures are crucial to prevent freezing-related problems.
Protection and Insulation:
- Protecting External Components: External components of water-lubricated compressors, such as valves, fittings, and pipes, may be exposed to cold temperatures. Insulating these components can help prevent freezing and ensure their proper functioning. Insulation materials, such as foam wraps or heat tapes, can be used to provide thermal protection.
- Water Supply Lines: Water supply lines that feed the compressor should be properly insulated and protected from freezing temperatures. Insulation can help maintain the water temperature and prevent freezing within the supply lines. Additionally, measures such as burying the supply lines below the frost line or using heat tracing cables can offer further protection against freezing.
Alternative Lubrication Methods:
- Oil-Lubricated Compressors: In extremely cold climates, where freezing is a significant concern, using oil-lubricated compressors instead of water-lubricated ones may be a more practical option. Oil-based lubrication systems are less prone to freezing and can provide reliable operation in colder temperatures. However, it is important to consider the specific requirements and limitations of oil-lubricated compressors for the intended application.
Manufacturer Recommendations:
- Consulting the Manufacturer: It is crucial to consult the manufacturer’s guidelines and recommendations regarding the use of water-lubricated compressors in cold climates. Manufacturers may provide specific instructions, modifications, or alternative solutions to ensure the safe and efficient operation of their equipment under cold weather conditions.
By implementing proper insulation, heating measures, and following the manufacturer’s guidance, water-lubricated air compressors can be used effectively in cold climates. It is important to assess the specific requirements of the application and consider the potential challenges associated with freezing temperatures to ensure the reliable and safe operation of the water-lubricated compressor system.
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Are There Regulations Governing the Use of Water-Lubricated Air Compressors?
When it comes to the use of water-lubricated air compressors, there are several regulations and standards that govern their operation and ensure compliance with safety, environmental, and performance requirements. Here’s a detailed explanation of the regulations related to water-lubricated air compressors:
1. Occupational Safety and Health Administration (OSHA) Regulations:
OSHA is a regulatory agency in the United States that sets and enforces workplace safety and health standards. While OSHA does not have specific regulations solely dedicated to water-lubricated air compressors, they have general regulations that apply to all types of air compressors. These regulations include requirements for safe operation, maintenance, and guarding of equipment to protect workers from hazards such as electrical shocks, mechanical injuries, and exposure to hazardous substances.
2. Environmental Protection Agency (EPA) Regulations:
The EPA is responsible for implementing and enforcing environmental regulations in the United States. Although there are no specific regulations for water-lubricated air compressors, the EPA has regulations that govern the discharge of water and other substances into the environment. If the water-lubricated compressor system involves the use of cooling water or generates wastewater, it may be subject to regulations related to water pollution control, water treatment, and proper disposal of wastewater.
3. International Organization for Standardization (ISO) Standards:
The ISO develops international standards that provide guidelines and requirements for various industries and technologies. ISO 8573 is a standard that addresses the quality of compressed air used in different applications. This standard sets limits and specifications for various contaminants in compressed air, including water content. Water-lubricated air compressors need to comply with the requirements of ISO 8573 to ensure the produced compressed air meets the desired quality standards.
4. Manufacturer Guidelines and Recommendations:
In addition to regulatory requirements, it is essential to follow the guidelines and recommendations provided by the manufacturers of water-lubricated air compressors. Manufacturers typically provide instructions for installation, operation, maintenance, and safety precautions specific to their equipment. Adhering to these guidelines is crucial to ensure the safe and proper functioning of the equipment and to maintain warranty coverage.
It’s important to note that the specific regulations and standards governing water-lubricated air compressors may vary depending on the country or region. Therefore, it is advisable to consult the relevant regulatory agencies, industry organizations, and local authorities to ensure compliance with applicable regulations and standards in a particular jurisdiction.
By complying with the relevant regulations, standards, and manufacturer guidelines, users of water-lubricated air compressors can ensure the safe and efficient operation of their equipment while minimizing any potential environmental impacts.
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Can Water-Lubricated Air Compressors Be Used in Medical Applications?
Water-lubricated air compressors can be used in certain medical applications, offering specific advantages for these environments. Here are some considerations regarding the use of water-lubricated air compressors in medical settings:
- Clean and sterile lubrication: Water is a clean and sterile lubricant, making it suitable for medical applications where maintaining a sterile environment is crucial. Water lubrication helps prevent contamination and ensures the integrity of medical products and procedures.
- Reduced risk of oil contamination: Oil-lubricated compressors pose a risk of oil carryover and oil vapor entering the compressed air system. This can be problematic in medical applications, where oil contamination could impact patient safety or interfere with sensitive medical equipment. Water-lubricated compressors eliminate this risk, providing a reliable and oil-free compressed air source.
- Compatibility with medical gases: Water-lubricated air compressors are compatible with medical gases such as oxygen or nitrous oxide. Unlike oil lubricants, water does not react or contaminate these gases, ensuring their purity and safety in medical procedures.
- Hygienic and easy to clean: Water lubrication simplifies cleaning procedures in medical environments. It does not leave behind sticky residues or require harsh chemicals for cleaning. Water-lubricated compressors can be easily cleaned and maintained, promoting a hygienic and safe medical facility.
- Reduced risk of fire hazards: Water has a higher flash point compared to oil lubricants, making water-lubricated compressors safer in terms of fire hazards. In medical settings, where fire safety is critical, using water as a lubricant can provide added peace of mind.
- Environmental friendliness: Water is a non-toxic and environmentally friendly lubricant choice. It does not contribute to air or water pollution, aligning with the sustainability goals of medical facilities.
While water-lubricated air compressors offer several advantages for medical applications, it’s important to note that specific requirements and regulations may vary depending on the type of medical procedure or equipment involved. It is advisable to consult with medical professionals or equipment manufacturers to ensure the suitability and compliance of water-lubricated air compressors for specific medical applications.


editor by CX 2024-02-11
China supplier Made in China Technology Industrial Screw Air Compressor Energy Saving Professional Manufacturer arb air compressor
Product Description
Q1: What information do I need to provide to get the suitable machine?
1. How much air delivery capacity ( Unit:CFM or M3/Min )
2 How much working pressure ( Unit:PSI, Bar or Mpa )
3.What is the voltage and frequency of my country of residence ( V/Hz )
4. Whether I need other accessories such as air tank, filters and/or air dryers.
Tell us the answer, we will offer scheme for you!
Q2: What are the general unit conversion?
1bar = 0.1Mpa = 14.5psi 1m³/min = 35.32cfm 1KW = 1.34HP
Q3: Are you factory or trading company?
We are factory. Our factory is located in 39 Xihu (West Lake) Dis. Rd, HangZhou, ZHangZhoug
Q4: Which trade term can you accept?
FOB, CIF, CFR, EXW, etc.
Q5: How long will you take to arrange production?
15 days for Regular Products, 35 days for Customizing Models
SPECIFICATION
| MODEL | LZN-20-8 |
| Ambient Temperature | -5ºC to +45 ºC |
| Max Pressure (bar) | 8 |
| Air Delivery (m3/min) | 2.3 |
| Compression Stage | Single Stage Compression |
| Cooling Method | Air Cooled |
| Discharge Temperature (ºC) | ≤ 75ºC |
| Oil Cotent (ppm) | ≤3 |
| Transmission Method | Belt Driven |
| Sound Level dB(A) | 66±3 |
| Lubricating Oil Amount | 3.5L |
| Motor Power | 15KW/20HP |
| Motor Level Of Protection | IP55 |
| Voltage | 380V/3ph/50Hz |
| Dimensions (mm) | 1820×800×1760(L*W*H) |
| Weight | 590KG |
| Discharge Outlet Thread | 3/4” |
/* March 10, 2571 17:59:20 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1
| Lubrication Style: | Lubricated |
|---|---|
| Cooling System: | Air Cooling |
| Power Source: | AC Power |
| Installation Type: | Movable Type |
| Type: | Twin-Screw Compressor |
| Dryer Spec: | Built-in 1.5m3/Min Capacity |
| Samples: |
US$ 1450/set
1 set(Min.Order) | |
|---|
| Customization: |
Available
|
|
|---|
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Can air compressors be used for painting and sandblasting?
Yes, air compressors can be used for both painting and sandblasting applications. Here’s a closer look at how air compressors are utilized for painting and sandblasting:
Painting:
Air compressors are commonly used in painting processes, especially in automotive, industrial, and construction applications. Here’s how they are involved:
- Spray Guns: Air compressors power spray guns used for applying paint coatings. The compressed air atomizes the paint, creating a fine mist that can be evenly sprayed onto surfaces. The pressure and volume of the compressed air impact the spray pattern, coverage, and overall finish quality.
- Paint Mixers and Agitators: Compressed air is often used to power mixers and agitators that ensure proper blending of paint components. These devices use the compressed air to stir or circulate the paint, preventing settling and maintaining a consistent mixture.
- Airbrushing: Air compressors are essential for airbrushing techniques, which require precise control over airflow and pressure. Airbrushes are commonly used in artistic applications, such as illustrations, murals, and fine detailing work.
Sandblasting:
Air compressors play a crucial role in sandblasting operations, which involve propelling abrasive materials at high velocity to clean, etch, or prepare surfaces. Here’s how air compressors are used in sandblasting:
- Blasting Cabinets: Air compressors power blasting cabinets or booths, which are enclosed spaces where the sandblasting process takes place. The compressed air propels the abrasive media, such as sand or grit, through a nozzle or gun, creating a forceful stream that impacts the surface being treated.
- Abrasive Blasting Pots: Air compressors supply air to abrasive blasting pots or tanks that store and pressurize the abrasive media. The compressed air from the compressor enters the pot, pressurizing it and allowing for a controlled release of the abrasive material during the sandblasting process.
- Air Dryers and Filters: In sandblasting applications, it is crucial to have clean, dry air to prevent moisture and contaminants from affecting the abrasive blasting process and the quality of the surface being treated. Air compressors may be equipped with air dryers and filters to remove moisture, oil, and impurities from the compressed air.
When using air compressors for painting or sandblasting, it is important to consider factors such as the compressor’s pressure and volume output, the specific requirements of the application, and the type of tools or equipment being used. Consult the manufacturer’s guidelines and recommendations to ensure the air compressor is suitable for the intended painting or sandblasting tasks.
Proper safety measures, such as wearing protective gear and following established protocols, should always be followed when working with air compressors for painting and sandblasting applications.
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Are there differences between single-stage and two-stage air compressors?
Yes, there are differences between single-stage and two-stage air compressors. Here’s an in-depth explanation of their distinctions:
Compression Stages:
The primary difference between single-stage and two-stage air compressors lies in the number of compression stages they have. A single-stage compressor has only one compression stage, while a two-stage compressor has two sequential compression stages.
Compression Process:
In a single-stage compressor, the entire compression process occurs in a single cylinder. The air is drawn into the cylinder, compressed in a single stroke, and then discharged. On the other hand, a two-stage compressor utilizes two cylinders or chambers. In the first stage, air is compressed to an intermediate pressure in the first cylinder. Then, the partially compressed air is sent to the second cylinder where it undergoes further compression to reach the desired final pressure.
Pressure Output:
The number of compression stages directly affects the pressure output of the air compressor. Single-stage compressors typically provide lower maximum pressure levels compared to two-stage compressors. Single-stage compressors are suitable for applications that require moderate to low air pressure, while two-stage compressors are capable of delivering higher pressures, making them suitable for demanding applications that require greater air pressure.
Efficiency:
Two-stage compressors generally offer higher efficiency compared to single-stage compressors. The two-stage compression process allows for better heat dissipation between stages, reducing the chances of overheating and improving overall efficiency. Additionally, the two-stage design allows the compressor to achieve higher compression ratios while minimizing the work done by each stage, resulting in improved energy efficiency.
Intercooling:
Intercooling is a feature specific to two-stage compressors. Intercoolers are heat exchangers placed between the first and second compression stages. They cool down the partially compressed air before it enters the second stage, reducing the temperature and improving compression efficiency. The intercooling process helps to minimize heat buildup and reduces the potential for moisture condensation within the compressor system.
Applications:
The choice between a single-stage and two-stage compressor depends on the intended application. Single-stage compressors are commonly used for light-duty applications such as powering pneumatic tools, small-scale workshops, and DIY projects. Two-stage compressors are more suitable for heavy-duty applications that require higher pressures, such as industrial manufacturing, automotive service, and large-scale construction.
It is important to consider the specific requirements of the application, including required pressure levels, duty cycle, and anticipated air demand, when selecting between a single-stage and two-stage air compressor.
In summary, the main differences between single-stage and two-stage air compressors lie in the number of compression stages, pressure output, efficiency, intercooling capability, and application suitability.
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What is the difference between a piston and rotary screw compressor?
Piston compressors and rotary screw compressors are two common types of air compressors with distinct differences in their design and operation. Here’s a detailed explanation of the differences between these two compressor types:
1. Operating Principle:
- Piston Compressors: Piston compressors, also known as reciprocating compressors, use one or more pistons driven by a crankshaft to compress air. The piston moves up and down within a cylinder, creating a vacuum during the intake stroke and compressing the air during the compression stroke.
- Rotary Screw Compressors: Rotary screw compressors utilize two intermeshing screws (rotors) to compress air. As the male and female screws rotate, the air is trapped between them and gradually compressed as it moves along the screw threads.
2. Compression Method:
- Piston Compressors: Piston compressors achieve compression through a positive displacement process. The air is drawn into the cylinder and compressed as the piston moves back and forth. The compression is intermittent, occurring in discrete cycles.
- Rotary Screw Compressors: Rotary screw compressors also employ a positive displacement method. The compression is continuous as the rotating screws create a continuous flow of air and compress it gradually as it moves along the screw threads.
3. Efficiency:
- Piston Compressors: Piston compressors are known for their high efficiency at lower flow rates and higher pressures. They are well-suited for applications that require intermittent or variable air demand.
- Rotary Screw Compressors: Rotary screw compressors are highly efficient for continuous operation and are designed to handle higher flow rates. They are often used in applications with a constant or steady air demand.
4. Noise Level:
- Piston Compressors: Piston compressors tend to generate more noise during operation due to the reciprocating motion of the pistons and valves.
- Rotary Screw Compressors: Rotary screw compressors are generally quieter in operation compared to piston compressors. The smooth rotation of the screws contributes to reduced noise levels.
5. Maintenance:
- Piston Compressors: Piston compressors typically require more frequent maintenance due to the higher number of moving parts, such as pistons, valves, and rings.
- Rotary Screw Compressors: Rotary screw compressors have fewer moving parts, resulting in lower maintenance requirements. They often have longer service intervals and can operate continuously for extended periods without significant maintenance.
6. Size and Portability:
- Piston Compressors: Piston compressors are available in both smaller portable models and larger stationary units. Portable piston compressors are commonly used in construction, automotive, and DIY applications.
- Rotary Screw Compressors: Rotary screw compressors are typically larger and more suitable for stationary installations in industrial and commercial settings. They are less commonly used in portable applications.
These are some of the key differences between piston compressors and rotary screw compressors. The choice between the two depends on factors such as required flow rate, pressure, duty cycle, efficiency, noise level, maintenance needs, and specific application requirements.


editor by CX 2024-02-11
China supplier Chicago Pneumatic Low Noise Air Compressor Price Rotary Screw Mexico Turkey Russia Philippines Romania Canada Chile Australia small air compressor
Product Description
We are authorized distributer of Bolaite, we could provide whole product line of
Bolaite air compressors , spare parts and consumables. we are also
certified supplier by international authoritative certification organizations.
Kindly advise your technical requirements, we will recommend suitable
compressed air system and spare parts for you .
We can provide CHINAMFG One-Stop Service,and efficient energy – saving solutions for you .
Specification
|
item |
value |
|
Applicable Industries |
Hotels, Garment Shops, Building Material Shops, Manufacturing Plant, Machinery Repair Shops, Food & Beverage Factory, Farms, Restaurant, Home Use, Retail, Food Shop, Printing Shops, Construction works , Energy & Mining, Food & Beverage Shops, Advertising Company |
|
After Warranty Service |
Video technical support, Online support, Spare parts |
|
Local Service Location |
Egypt, Canada, Turkey, United Kingdom, United States, Italy, France, Germany, Viet Nam, Philippines, Brazil, Peru, Saudi Arabia, Indonesia, Pakistan, India, Mexico, Russia, Spain, Thailand, Malaysia, Australia, Morocco, Kenya, Argentina, South Korea, Chile, UAE, Colombia, Algeria, Sri Lanka, Romania, Bangladesh, South Africa, Kazakhstan, Ukraine, Kyrgyzstan, Nigeria, Uzbekistan, Tajikistan |
|
Showroom Location |
Egypt, Canada, Turkey, United Kingdom, United States, Italy, France, Germany, Viet Nam, Philippines, Brazil, Peru, Saudi Arabia, Indonesia, Pakistan, India, Mexico, Russia, Spain, Thailand, Morocco, Kenya, Argentina, South Korea, Chile, UAE, Colombia, Algeria, Sri Lanka, Romania, Bangladesh, South Africa, Kazakhstan, Ukraine, Kyrgyzstan, Nigeria, Uzbekistan, Tajikistan, Malaysia, Australia |
|
Condition |
New |
|
Type |
Rotary |
|
Configuration |
Stationary |
|
Power Source |
AC POWER |
|
Lubrication Style |
Lubricated |
|
Mute |
yes |
|
Place of CHINAMFG |
China |
|
Brand Name |
CHINAMFG |
|
Voltage |
380v/3ph/50hz |
|
Dimension(L*W*H) |
3746X2046X2100mm |
|
Weight |
660kg |
|
Certification |
ISO9001 |
|
Warranty |
1 Year |
|
After-sales Service Provided |
Online support |
|
Working Pressure |
0.8 bar, 1 bar, 0.7 bar, 1.2 bar |
|
Air capacity |
67 |
|
Machinery Test Report |
Provided |
|
Video outgoing-inspection |
Provided |
|
Marketing Type |
New Product 2571 |
|
Warranty of core components |
1 Year |
|
Core Components |
PLC, Pressure vessel, Engine, Gear, Motor, Pump, Bearing, Gearbox |
|
Gas Type |
Air |
1 Q: How about the quality of products ?
A: We are authorized distributer of Atlas Copco. Don’t worry the quality and service.
2 Q: How long is your delivery lead time ?
A: If there is stock, the lead time is about 3 working days after we get the payment, if need to
be produced, it depends.
3 Q: How about your overseas after-sale service?
A: (1)Provide customers with intallation and commissioning online instructions.
(2)Worldwide agents and sfter service available.
4 Q: Can you accept OEM&ODM orders?
A: Yes, we have professional design team, OEM&ODM orders are highly welcomed.
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| Warranty: | 1 Year |
|---|---|
| Lubrication Style: | Lubricated |
| Cooling System: | Air Cooling |
| Power Source: | AC Power |
| Cylinder Position: | Vertical |
| Structure Type: | Closed Type |
| Customization: |
Available
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How does variable speed drive technology improve air compressor efficiency?
Variable Speed Drive (VSD) technology improves air compressor efficiency by allowing the compressor to adjust its motor speed to match the compressed air demand. This technology offers several benefits that contribute to energy savings and enhanced overall system efficiency. Here’s how VSD technology improves air compressor efficiency:
1. Matching Air Demand:
Air compressors equipped with VSD technology can vary the motor speed to precisely match the required compressed air output. Traditional fixed-speed compressors operate at a constant speed regardless of the actual demand, leading to energy wastage during periods of lower air demand. VSD compressors, on the other hand, ramp up or down the motor speed to deliver the necessary amount of compressed air, ensuring optimal energy utilization.
2. Reduced Unloaded Running Time:
Fixed-speed compressors often run unloaded during periods of low demand, where they continue to consume energy without producing compressed air. VSD technology eliminates or significantly reduces this unloaded running time by adjusting the motor speed to closely follow the air demand. As a result, VSD compressors minimize energy wastage during idle periods, leading to improved efficiency.
3. Soft Starting:
Traditional fixed-speed compressors experience high inrush currents during startup, which can strain the electrical system and cause voltage dips. VSD compressors utilize soft starting capabilities, gradually ramping up the motor speed instead of instantly reaching full speed. This soft starting feature reduces mechanical and electrical stress, ensuring a smooth and controlled startup, and minimizing energy spikes.
4. Energy Savings at Partial Load:
In many applications, compressed air demand varies throughout the day or during different production cycles. VSD compressors excel in such scenarios by operating at lower speeds during periods of lower demand. Since power consumption is proportional to motor speed, running the compressor at reduced speeds significantly reduces energy consumption compared to fixed-speed compressors that operate at a constant speed regardless of the demand.
5. Elimination of On/Off Cycling:
Fixed-speed compressors often use on/off cycling to adjust the compressed air output. This cycling can result in frequent starts and stops, which consume more energy and cause mechanical wear. VSD compressors eliminate the need for on/off cycling by continuously adjusting the motor speed to meet the demand. By operating at a consistent speed within the required range, VSD compressors minimize energy losses associated with frequent cycling.
6. Enhanced System Control:
VSD compressors offer advanced control capabilities, allowing for precise monitoring and adjustment of the compressed air system. These systems can integrate with sensors and control algorithms to maintain optimal system pressure, minimize pressure fluctuations, and prevent excessive energy consumption. The ability to fine-tune the compressor’s output based on real-time demand contributes to improved overall system efficiency.
By utilizing variable speed drive technology, air compressors can achieve significant energy savings, reduce operational costs, and enhance their environmental sustainability by minimizing energy wastage and optimizing efficiency.
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What is the energy efficiency of modern air compressors?
The energy efficiency of modern air compressors has significantly improved due to advancements in technology and design. Here’s an in-depth look at the energy efficiency features and factors that contribute to the efficiency of modern air compressors:
Variable Speed Drive (VSD) Technology:
Many modern air compressors utilize Variable Speed Drive (VSD) technology, also known as Variable Frequency Drive (VFD). This technology allows the compressor motor to adjust its speed according to the compressed air demand. By matching the motor speed to the required airflow, VSD compressors can avoid excessive energy consumption during periods of low demand, resulting in significant energy savings compared to fixed-speed compressors.
Air Leakage Reduction:
Air leakage is a common issue in compressed air systems and can lead to substantial energy waste. Modern air compressors often feature improved sealing and advanced control systems to minimize air leaks. By reducing air leakage, the compressor can maintain optimal pressure levels more efficiently, resulting in energy savings.
Efficient Motor Design:
The motor of an air compressor plays a crucial role in its energy efficiency. Modern compressors incorporate high-efficiency electric motors that meet or exceed established energy efficiency standards. These motors are designed to minimize energy losses and operate more efficiently, reducing overall power consumption.
Optimized Control Systems:
Advanced control systems are integrated into modern air compressors to optimize their performance and energy consumption. These control systems monitor various parameters, such as air pressure, temperature, and airflow, and adjust compressor operation accordingly. By precisely controlling the compressor’s output to match the demand, these systems ensure efficient and energy-saving operation.
Air Storage and Distribution:
Efficient air storage and distribution systems are essential for minimizing energy losses in compressed air systems. Modern air compressors often include properly sized and insulated air storage tanks and well-designed piping systems that reduce pressure drops and minimize heat transfer. These measures help to maintain a consistent and efficient supply of compressed air throughout the system, reducing energy waste.
Energy Management and Monitoring:
Some modern air compressors feature energy management and monitoring systems that provide real-time data on energy consumption and performance. These systems allow operators to identify energy inefficiencies, optimize compressor settings, and implement energy-saving practices.
It’s important to note that the energy efficiency of an air compressor also depends on factors such as the specific model, size, and application. Manufacturers often provide energy efficiency ratings or specifications for their compressors, which can help in comparing different models and selecting the most efficient option for a particular application.
Overall, modern air compressors incorporate various energy-saving technologies and design elements to enhance their efficiency. Investing in an energy-efficient air compressor not only reduces operational costs but also contributes to sustainability efforts by minimizing energy consumption and reducing carbon emissions.
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How does an air compressor work?
An air compressor works by using mechanical energy to compress and pressurize air, which is then stored and used for various applications. Here’s a detailed explanation of how an air compressor operates:
1. Air Intake: The air compressor draws in ambient air through an intake valve or filter. The air may pass through a series of filters to remove contaminants such as dust, dirt, and moisture, ensuring the compressed air is clean and suitable for its intended use.
2. Compression: The intake air enters a compression chamber, typically consisting of one or more pistons or a rotating screw mechanism. As the piston moves or the screw rotates, the volume of the compression chamber decreases, causing the air to be compressed. This compression process increases the pressure and reduces the volume of the air.
3. Pressure Build-Up: The compressed air is discharged into a storage tank or receiver where it is held at a high pressure. The tank allows the compressed air to be stored for later use and helps to maintain a consistent supply of compressed air, even during periods of high demand.
4. Pressure Regulation: Air compressors often have a pressure regulator that controls the output pressure of the compressed air. This allows the user to adjust the pressure according to the requirements of the specific application. The pressure regulator ensures that the compressed air is delivered at the desired pressure level.
5. Release and Use: When compressed air is needed, it is released from the storage tank or receiver through an outlet valve or connection. The compressed air can then be directed to the desired application, such as pneumatic tools, air-operated machinery, or other pneumatic systems.
6. Continued Operation: The air compressor continues to operate as long as there is a demand for compressed air. When the pressure in the storage tank drops below a certain level, the compressor automatically starts again to replenish the compressed air supply.
Additionally, air compressors may include various components such as pressure gauges, safety valves, lubrication systems, and cooling mechanisms to ensure efficient and reliable operation.
In summary, an air compressor works by drawing in air, compressing it to increase its pressure, storing the compressed air, regulating the output pressure, and releasing it for use in various applications. This process allows for the generation of a continuous supply of compressed air for a wide range of industrial, commercial, and personal uses.


editor by CX 2024-02-09
China factory Germany Technology Industrial Silent Oil Free Electrical Rotary Screw Air Compressor Supplier with Dryer, Air Tank and Filters CHINAMFG Compressor with Great quality
Product Description
Promises Every Machine Will Run Well More Than 15 Years
Use case of rotary screw type air compressor
1. Rotary Screw type air compressors are exported to 132 countries and regions all over the world;
2. All indicators of screw air compressor are stable and the failure rate is low;
3. Perfect after-sales service system, engineers on duty 24 hours a day to provide one-on-1 service to customers at the air compressor use site.
Product Description
Brief Introduction:
Air end: Germany Technology. 30 years designed lifetime.
Motor: 100% rare earth permanent magnet motor.
Inverter: Chinese No. 1 inverter can save 30% energy.
Warranty: 5 years for the air end, and 2 years for the whole compressor.
Delivery time: 7-15 days.
After-sales service:we have our professional after-sales technician to instruct the installation of the whole screw air compressor.
Certificate: CE/ISO9001/ASME
We offer free pipe and valves for installation and installation diagram
| Screw type Air Compressor Main Configuration | ||
| Item | Parts | Brand |
| 1 | Air end | BAOSI/GU(Germany origin) |
| 2 | Intake Valve | Red star(Chian) |
| 3 | Solenoid Valve | CEME (Italy) |
| 4 | Temperature sensor | Red star (China) |
| 5 | Pressure sensor | Huba original (from Switzerland) |
| 6 | Motor | Jiangtian Motor( China) |
| 7 | Coupling | Germany KTR |
| 8 | Thermostat Valve | Italy VMC |
| 9 | PLC | Schneider Electric (France) |
| 10 | Minimal Pressure Valve | Red star(Chian) |
| 11 | Air filter element | Germany MANN |
| 12 | Oil filter element | Germany MANN |
| 13 | Oil separator element | Germany MANN |
| 14 | Bearing | Sweden SKF |
Detailed Photos
Product Parameters
| Model | Air Flow (m³/min) | Motor Power | Noise | Outlet Diameter | Dimension | Weight | ||||
| 7bar | 8bar | 10bar | 13bar | kw | dB | inch | W*D*H (mm) | kg | ||
| YP-10A | 1.1 | 1.0 | 0.85 | 0.7 | 7.5 | 65 | G1” | 960*680*960 | 280 | |
| YP-15A | 1.8 | 1.65 | 1.5 | 1.3 | 11 | 65 | G1” | 1050*830*1240 | 380 | |
| YP-20A | 2.4 | 2.2 | 2.1 | 1.8 | 15 | 68 | G1” | 1050*830*1240 | 380 | |
| YP-25A | 3.1 | 3.0 | 2.7 | 2.3 | 18.5 | 68 | G1” | 1200*830*1290 | 480 | |
| YP-30A | 3.8 | 3.6 | 3.2 | 2.5 | 22 | 68 | G1” | 1200*830*1290 | 480 | |
| YP-40A | 5.3 | 5.0 | 4.3 | 3.6 | 30 | 69 | G11/2” | 1300*1000*1540 | 710 | |
| YP-50A | 6.6 | 6.2 | 5.7 | 4.6 | 37 | 69 | G11/2” | 1300*1000*1540 | 710 | |
| YP-60A | 8.0 | 7.7 | 6.9 | 6.0 | 45 | 70 | G11/2” | 1500*1160*1700 | 990 | |
| YP-75A | 10.5 | 9.8 | 8.7 | 7.3 | 55 | 70 | G11/2” | 1500*1160*1700 | 990 | |
| YP-100A | 13.6 | 13.0 | 11.3 | 10.1 | 75 | 72 | G2” | 1700*1180*1800 | 1300 | |
| YP-125A | 16.2 | 15.4 | 13.2 | 11.2 | 90 | 72 | DN50 | 1850*1200*1900 | 1400 | |
| YP-150A | 20.8 | 19.5 | 16.5 | 13.7 | 110 | 73 | DN65 | 2250*1260*2055 | 1560 | |
| Remarks: | ||||||||||
| 1. working ambinent temperature: -5ºC-45ºC; | ||||||||||
| 2. exhausting air temperature ≤ working ambinent temperature +10ºC-15ºC; | ||||||||||
| 3. starting mode: Y-△; | ||||||||||
| 4. exhausting oil content: <3ppm; | ||||||||||
| 5. certificate: CE/ISO9001/ASME; | ||||||||||
| 6. voltage: 380V/220V/400V/440V/415V | ||||||||||
Manufacturing center
OUR TEAM
Certifications
Exhibition
Air compressor use case
Factory Quality Control Process
1.Installation inspection of the whole screw air compressor: check and confirm the whole machine according to the operation instructions and quality control standards. Main inspection items:
A . Confirm the nose and motor nameplates;
B . Check whether there is oil leakage in the pipeline and oil circuit of the air compressor; C . the screw air compressor machine screw locking inspection..
2. Rotary screw type air compressor factory test machine, heat engine: test whether the air compressor operation parameters meet the requirements of customers, including voltage, current, working pressure, exhaust volume, etc.screw Air compressor factory before 48 hours of thermal test, stability confirmation.
3. 24 hours online after-sales service, one-to-1 online guidance installation, debugging, troubleshooting.
Rotary Screw type air compressor packaging process
1. Screw air compressor packaging is divided into 3 layers from inside to outside:
1) The first layer of protection: spray paint on the surface of the machine to protect the surface of the machine. The fouling pull film is wrapped around the surface of the machine to protect the surface of the paint.
2) The second layer of protection: anti-collision protection of the machine. On the basis of lacquer protection, anti-collision buffer cotton is used to protect the machine against collision.
3) The third layer of protection: the case adopts the overall packaging of the non-fumigation wooden case to protect the machine during transportation.
F.A.Q
Q1. Why do customers choose us?
Yunshun Electric Machinery Co., Ltd. is a company specializing in screw air compressor for 19 years since 2001. Our German Standard production line helps us get the affirmation from our agents as well as end-user clients.
Q2. Are you a manufacturer or trading company?
We are a professional manufacturer with big modern factory in HangZhou,China.
Both OEM & ODM service can be accepted.
Q3. What’s your delivery time?
Generally 7-10 days, if urgent order, we can arrange, too.
Q4. How long is your air compressor warranty?
2 year for the whole machine and 5years for screw air end, except consumable spare parts.
Q5. How long could your air compressor be used for?
At least 10 years.
Q6. What’s payment term?
T/T, L/C, Western Union, Credit Card, and etc.
Q7. How about your customer service?
24 hours on-line service for all our clients.
Q8. How about your after-sales service?
1. Providing customers with installation online instructions.
2. Well-trained engineers available to overseas service.
3. PlHangZhou for oversea after-sales supporting company.
/* March 10, 2571 17:59:20 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1
| After-sales Service: | 5 Years for The Air End, and 2 Years for The Whole |
|---|---|
| Warranty: | 2 Years |
| Lubrication Style: | Lubricated |
| Cooling System: | Air Cooling |
| Power Source: | AC Power |
| Cylinder Position: | Vertical |
| Customization: |
Available
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Are There Specific Water Treatment Requirements for Water-Lubricated Compressors?
Water-lubricated compressors often have specific water treatment requirements to ensure optimal performance, prevent equipment damage, and maintain the desired water quality. Here’s a detailed explanation of the water treatment considerations for water-lubricated compressors:
Water Quality:
- Purity: The water used for lubrication should be clean and free from impurities, contaminants, or excessive minerals. Impurities in the water can lead to corrosion, blockages, and reduced lubrication effectiveness. Water sources should be evaluated to ensure they meet the required purity standards.
- Chemical Composition: The chemical composition of the water should be within acceptable limits to avoid any adverse reactions with compressor components or lubricants. Certain water characteristics, such as pH, alkalinity, hardness, and conductivity, need to be monitored and controlled to prevent issues like scaling, fouling, or chemical reactions.
Water Treatment Methods:
- Filtration: Filtration systems are commonly used to remove particulate matter, sediment, or debris from the water. Filters can range from simple strainers to more advanced filtration systems, depending on the specific water quality requirements and the level of filtration needed.
- Water Softening: If the water has high levels of hardness minerals, such as calcium and magnesium, water softening methods may be necessary. Water softeners use ion exchange or other processes to remove the hardness minerals, which can help prevent scaling and reduce the risk of deposits in the compressor system.
- Reverse Osmosis (RO): Reverse osmosis is a water treatment method that uses a semi-permeable membrane to remove dissolved solids, ions, and impurities from the water. RO systems can effectively reduce the total dissolved solids (TDS) and improve the overall water quality, making it suitable for water-lubricated compressors.
- Chemical Treatment: In some cases, chemical treatments may be required to control water chemistry parameters, such as pH or alkalinity. Chemical additives can be used to adjust or stabilize water chemistry within the desired range, preventing corrosion, scaling, or other issues.
Water treatment requirements for water-lubricated compressors can vary depending on factors such as the compressor design, operating conditions, water source quality, and specific application requirements. It is essential to consult the compressor manufacturer’s recommendations and guidelines regarding water treatment. The manufacturer’s guidelines will provide specific information on water quality limits, treatment methods, and any required maintenance procedures related to water treatment.
Regular monitoring of water quality, including periodic testing and analysis, is recommended to ensure that the water treatment measures are effective and the desired water quality is maintained. Water treatment systems should be properly maintained and periodically serviced to ensure their optimal performance and prevent any potential issues that could affect the operation and longevity of water-lubricated compressors.
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Are There Any Potential Water-Related Issues with These Compressors?
Yes, there are potential water-related issues that can arise with water-lubricated compressors. Here’s a detailed explanation of some of the common water-related issues associated with these compressors:
Corrosion:
- Internal Corrosion: Water-lubricated compressors are susceptible to internal corrosion due to the presence of water within the system. If the water used is not properly treated or if corrosion prevention measures are insufficient, the internal components of the compressor can corrode over time. Corrosion can lead to reduced performance, component damage, and the potential for leaks or system failures.
- External Corrosion: External components such as piping, valves, and fittings can also be affected by corrosion if exposed to water and moisture. Corrosion on these external surfaces can lead to compromised integrity, leaks, and reduced system efficiency.
Water Quality:
- Water Contaminants: The quality of the water used in water-lubricated compressors is crucial. If the water contains contaminants such as sediment, debris, oil, or chemicals, it can negatively impact the performance and reliability of the compressor. Contaminants can cause blockages, clogging, increased wear on components, reduced lubrication effectiveness, and potential damage to the compressor.
- Water Hardness: Water hardness, characterized by high mineral content, can lead to scaling and deposits within the compressor and associated components. Scaling can restrict flow, impede heat transfer, and reduce the efficiency of the compressor. It can also contribute to fouling and corrosion issues.
Water Treatment and Filtration:
- Inadequate Water Treatment: Insufficient or improper water treatment can lead to various issues. If the water is not adequately treated for contaminants, hardness, or pH levels, it can result in accelerated corrosion, scaling, fouling, and reduced lubrication effectiveness. Inadequate water treatment can also contribute to increased maintenance requirements and decreased overall compressor performance.
- Filtration System Issues: Filtration systems play a crucial role in removing contaminants from the water. However, if the filtration system is not properly maintained, filters become clogged or damaged, or if there are design or installation issues, it can lead to inadequate filtration and compromised water quality. This can result in the accumulation of contaminants, reduced lubrication performance, and potential damage to the compressor.
Water Supply and Availability:
- Insufficient Water Supply: Water-lubricated compressors rely on a consistent and reliable water supply. If the water supply is insufficient in terms of flow rate, pressure, or quality, it can impact the compressor’s operation and performance. Inadequate water supply can lead to inadequate lubrication, reduced cooling capacity, and increased wear on components.
- Water Source Availability: The availability of a suitable water source is essential for water-lubricated compressors. In certain locations or applications, accessing clean water or meeting specific water quality requirements may pose challenges. Lack of a suitable water source can limit the feasibility or effectiveness of using water-lubricated compressors.
It is important to address these potential water-related issues by implementing proper water treatment, corrosion prevention measures, regular maintenance of filtration systems, and monitoring of water quality. Adhering to manufacturer guidelines, performing regular inspections, and taking proactive measures can help mitigate these issues and ensure the reliable and efficient operation of water-lubricated compressors.
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Advantages of Using Water as a Lubricant in Air Compressors
Water can be used as a lubricant in air compressors, offering several advantages over traditional lubricants such as oils or synthetic lubricants. Here are some of the advantages:
- Cost-effective: Water is a readily available and inexpensive resource, making it a cost-effective lubricant option for air compressors. Compared to oils or synthetic lubricants, water is significantly cheaper, which can result in cost savings for businesses and industries that heavily rely on air compressors.
- Environmentally friendly: Water is a non-toxic and environmentally friendly lubricant. It does not contain harmful chemicals or pollutants that can contribute to air or water pollution. Using water as a lubricant in air compressors reduces the risk of contamination and minimizes the environmental impact associated with traditional lubricants.
- Improved heat dissipation: Water has excellent heat transfer properties. It can absorb and dissipate heat more efficiently compared to oils or synthetic lubricants. Air compressors generate heat during operation, and using water as a lubricant helps to dissipate this heat effectively, preventing overheating and prolonging the lifespan of the compressor.
- Reduced fire hazard: Compared to oils or synthetic lubricants, water has a significantly higher flash point, which means it is less likely to ignite or contribute to fire hazards. This fire-resistant property of water makes it a safer lubricant choice, especially in environments where fire safety is a concern.
- Lower maintenance requirements: Water does not leave behind sticky residues or deposits, as some oils or synthetic lubricants might. This characteristic reduces the maintenance requirements of air compressors. It simplifies the cleaning process and reduces the frequency of lubricant changes, resulting in reduced downtime and maintenance costs.
Overall, using water as a lubricant in air compressors can offer significant advantages in terms of cost-effectiveness, environmental friendliness, heat dissipation, fire safety, and maintenance requirements.


editor by CX 2024-02-08
China supplier 55kw SCR50d Direct Driven Screw Air Compressor for Industrial with Best Sales
Product Description
Product Technical Description
| Product Name | 55kw SCR50D Direct Driven Screw Air Compressor for Industrial |
| Model : | Oil injected Screw Air Compressor Direct Driven(D series) |
| Type: | Oil injected Direct Driven Screw Air Compressor |
| Voltage: | 380V/50HZ/3P, 220V/60HZ/3P, 400V/50HZ/3P, 415V/50HZ/3P or Customer′s Requirements |
| Working Pressure: | 7~10 bar |
| Installed Motor Power: | 7.5KW~75KW |
| Capacity: | 1~13.3m3/min |
| Color: | Blue |
| Driven Method: | Direct Driven |
| Air End: | Original Ally-win Air End from Germany |
| Trademark: | SCR |
| Transport Package: | Standard Wooden Packing |
| Available Certificate: | CE, ISO, UL, ASME, GHOST |
| Origin: | ZheJiang , China |
| application: | Casting , Metal , Plastic , Rubber |
Product Features
1. Sino-Japan technology cooperation, high reliability.
2. Big airend with low rpm for better performance an long life span.
3. High reliability components imported original from Germany, Swiss etc.
4. CE level protection design and manufacturing
5. Oversize cooler suitable for tropical area.
6. More than 10,000.00 units running around the world since 10years ago.
7. Intelligent PLC control.
8. Easy to do maintenance and service.
1.Automatic interlock control and operations management
Intelligent microcomputer controller, combined with pressure, temperature, current, signal, alarm with 12 important indicators and 13 comprehensive security protection measures with Chinese and English display optional and maintenance time limit remind. The RS485 communication interface can realize several machines joint control. Concise and comprehensive to keep the customer informed of the machines’ situation in time.
2.Oversize cooler
SCR’s oversized cooler is typically 30% larger then competitors machines. The large heat exchanger prevents overtemperature faults even in high ambient conditions. It also helps reduces carbon deposition phenomenon caused high temperature. The inner wall is treated with antiseptic treatment prolonging the service life.
3.Same speed drive direct driven structure
Type D use same speed drive is use to overcome the loss of power transmission efficiency under the drive of speed gear, the structure is not stable, many error problems, maximum energy savings and minimum maintenance costs.
4.German KTR coupling
| Model | SCR50D-8 | SCR50D-10 | |
| Capacity/Pressure(m3/min,/BAR) | 6.1/8 | 5.6/10 | |
| Main Motor | Power(KW) | 37KW(50H.P) | |
| Starting way | Start-Delta | ||
| Volt(V) | 380/400/415(220) | ||
| Motor safety grade | IP54 | ||
| Motor isolation grade | F | ||
| Electrical Supply | 380(400,415)V/50Hz/3Phase, 220V/60HZ/3P | ||
| Outlet Temperature(ºC) | ≤ Environment Temperature+10 | ||
| Driven way | Belt Driven | ||
| Noise level at 1 meter | 75±3dB(A) | ||
| Cooling method | Air cooling | ||
| Oil content | 1~3 ppm | ||
| Outlet Connection | Rc1 1/2″ | ||
| Dimension | Length(mm) | 1600 | |
| Width(mm) | 1000 | ||
| Height(mm) | 1360 | ||
| Weight(KG) | 860 | ||
Product Categories
Advantages
Application
About SCR
/* March 10, 2571 17:59:20 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1
| Lubrication Style: | Lubricated |
|---|---|
| Cooling System: | Air Cooling |
| Power Source: | AC Power |
| Cylinder Position: | Vertical |
| Structure Type: | Closed Type |
| Installation Type: | Stationary Type |
| Customization: |
Available
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What are the differences between stationary and portable air compressors?
Stationary and portable air compressors are two common types of air compressors with distinct features and applications. Here are the key differences between them:
1. Mobility:
The primary difference between stationary and portable air compressors is their mobility. Stationary air compressors are designed to be permanently installed in a fixed location, such as a workshop or a factory. They are typically larger, heavier, and not easily movable. On the other hand, portable air compressors are smaller, lighter, and equipped with handles or wheels for easy transportation. They can be moved from one location to another, making them suitable for jobsites, construction sites, and other mobile applications.
2. Power Source:
Another difference lies in the power source used by stationary and portable air compressors. Stationary compressors are usually powered by electricity, as they are designed for continuous operation in a fixed location with access to power outlets. They are connected to the electrical grid or have dedicated wiring. In contrast, portable compressors are available in various power options, including electric, gasoline, and diesel engines. This versatility allows them to operate in remote areas or sites without readily available electricity.
3. Tank Capacity:
Tank capacity is also a distinguishing factor between stationary and portable air compressors. Stationary compressors often have larger storage tanks to store compressed air for extended periods. The larger tanks enable them to deliver a continuous and steady supply of compressed air for longer durations without the need for frequent cycling. Portable compressors, due to their compact size and portability, generally have smaller tank capacities, which may be sufficient for intermittent or smaller-scale applications.
4. Performance and Output:
The performance and output capabilities of stationary and portable air compressors can vary. Stationary compressors are typically designed for high-volume applications that require a consistent and continuous supply of compressed air. They often have higher horsepower ratings, larger motor sizes, and higher air delivery capacities. Portable compressors, while generally offering lower horsepower and air delivery compared to their stationary counterparts, are still capable of delivering sufficient air for a range of applications, including pneumatic tools, inflation tasks, and light-duty air-powered equipment.
5. Noise Level:
Noise level is an important consideration when comparing stationary and portable air compressors. Stationary compressors, being larger and built for industrial or commercial settings, are often equipped with noise-reducing features such as sound insulation and vibration dampening. They are designed to operate at lower noise levels, which is crucial for maintaining a comfortable working environment. Portable compressors, while efforts are made to reduce noise, may produce higher noise levels due to their compact size and portability.
6. Price and Cost:
Stationary and portable air compressors also differ in terms of price and cost. Stationary compressors are generally more expensive due to their larger size, higher power output, and industrial-grade construction. They often require professional installation and may involve additional costs such as electrical wiring and system setup. Portable compressors, being smaller and more versatile, tend to have a lower upfront cost. They are suitable for individual users, contractors, and small businesses with budget constraints or flexible air supply needs.
When selecting between stationary and portable air compressors, it is essential to consider the specific requirements of the intended application, such as mobility, power source availability, air demands, and noise considerations. Understanding these differences will help in choosing the appropriate type of air compressor for the intended use.
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How are air compressors utilized in pneumatic tools?
Air compressors play a crucial role in powering and operating pneumatic tools. Here’s a detailed explanation of how air compressors are utilized in pneumatic tools:
Power Source:
Pneumatic tools rely on compressed air as their power source. The air compressor generates and stores compressed air, which is then delivered to the pneumatic tool through a hose or piping system. The compressed air provides the force necessary for the tool to perform various tasks.
Air Pressure Regulation:
Air compressors are equipped with pressure regulation systems to control the output pressure of the compressed air. Different pneumatic tools require different air pressure levels to operate optimally. The air compressor’s pressure regulator allows users to adjust the output pressure according to the specific requirements of the pneumatic tool being used.
Air Volume and Flow:
Air compressors provide a continuous supply of compressed air, ensuring a consistent air volume and flow rate for pneumatic tools. The air volume is typically measured in cubic feet per minute (CFM) and determines the tool’s performance capabilities. Higher CFM ratings indicate that the pneumatic tool can deliver more power and operate at a faster rate.
Tool Actuation:
Pneumatic tools utilize compressed air to actuate their mechanical components. For example, an air-powered impact wrench uses compressed air to drive the tool’s internal hammer mechanism, generating high torque for fastening or loosening bolts and nuts. Similarly, air-powered drills, sanders, nail guns, and spray guns rely on compressed air to power their respective operations.
Versatility:
One of the significant advantages of pneumatic tools is their versatility, and air compressors enable this flexibility. A single air compressor can power a wide range of pneumatic tools, eliminating the need for separate power sources for each tool. This makes pneumatic tools a popular choice in various industries, such as automotive, construction, manufacturing, and woodworking.
Portability:
Air compressors come in different sizes and configurations, offering varying degrees of portability. Smaller portable air compressors are commonly used in applications where mobility is essential, such as construction sites or remote locations. The portability of air compressors allows pneumatic tools to be used in various work environments without the constraints of being tethered to a fixed power source.
Overall, air compressors are integral to the functionality and operation of pneumatic tools. They provide the necessary power, air pressure regulation, and continuous airflow required for pneumatic tools to perform a wide range of tasks efficiently and effectively.
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Are there air compressors specifically designed for high-pressure applications?
Yes, there are air compressors specifically designed for high-pressure applications. These compressors are engineered to generate and deliver compressed air at significantly higher pressures than standard air compressors. Here are some key points about high-pressure air compressors:
1. Pressure Range: High-pressure air compressors are capable of producing compressed air at pressures typically ranging from 1000 to 5000 psi (pounds per square inch) or even higher. This is considerably higher than the typical range of 100 to 175 psi for standard air compressors.
2. Construction: High-pressure aircompressors feature robust construction and specialized components to withstand the higher pressures involved. They are designed with reinforced cylinders, pistons, valves, and seals that can handle the increased stress and prevent leaks or failures under high-pressure conditions.
3. Power: Generating high-pressure compressed air requires more power than standard compressors. High-pressure air compressors often have larger motors or engines to provide the necessary power to achieve the desired pressure levels.
4. Applications: High-pressure air compressors are utilized in various industries and applications where compressed air at elevated pressures is required. Some common applications include:
- Industrial manufacturing processes that involve high-pressure air for operations such as air tools, pneumatic machinery, and equipment.
- Gas and oil exploration and production, where high-pressure air is used for well drilling, well stimulation, and enhanced oil recovery techniques.
- Scuba diving and underwater operations, where high-pressure air is used for breathing apparatus and underwater tools.
- Aerospace and aviation industries, where high-pressure air is used for aircraft systems, testing, and pressurization.
- Fire services and firefighting, where high-pressure air compressors are used to fill breathing air tanks for firefighters.
5. Safety Considerations: Working with high-pressure air requires adherence to strict safety protocols. Proper training, equipment, and maintenance are crucial to ensure the safe operation of high-pressure air compressors. It is important to follow manufacturer guidelines and industry standards for high-pressure applications.
When selecting a high-pressure air compressor, consider factors such as the desired pressure range, required flow rate, power source availability, and the specific application requirements. Consult with experts or manufacturers specializing in high-pressure compressed air systems to identify the most suitable compressor for your needs.
High-pressure air compressors offer the capability to meet the demands of specialized applications that require compressed air at elevated pressures. Their robust design and ability to deliver high-pressure air make them essential tools in various industries and sectors.


editor by CX 2024-02-02
China supplier 11kw 15 HP 15A-T129 AC Power OEM/ODM General Industrial Oil Injected Screw Type Air Compressor 12v air compressor
Product Description
ZheJiang Xihu (West Lake) Dis. specializes in the R&D, manufacturing, sales and after sales service of compressors, which include oil-free air compressors, oil-injected air compressor and air end, special gas compressors and post-processing equipment etc, under the brand name “Xihu (West Lake) Dis.r”, “OFAC” .
Product Features
*Efficient permanent magnet synchronous motor using high-performance NdFeb permanent magnet, 120ºC without loss of magnetic. Through the magnetic field and magnetic force generated by the AC voltage related to the stator coil, the rotor generates rotation, low speed and high efficiency.
*Advanced level of integrated host design. High efficiency, low speed, low noise, low energy consumption, low maintenance cost, reliable stability and usability. Adopt the embedded integrated shaft directly connected structure, compact structure, high transmission efficiency.
*Large capacity oil and gas separator, coupled with sophisticated oil and gas separation elements and gas, liquid filtration elements, with 3 times oil and gas separation, to ensure the quality of compressed air.
*Intake valve plate adopts international advanced technology, coupled with reasonable noise reduction design, intake valve adjustment range 0-100% easy to adjust, small pressure loss, long life.
*High efficiency cooler adopts large heat exchange area design, improve cooling efficiency, effectively imitation machine high temperature, anti-corrosion treatment of the inner wall, the use of more severe mining, prolong the service life.
| TECHNICAL DATA—-OIL INJECTED SERIES |
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| Model | Power | Pressure (bar) | Air Flow (m3/min) | Noise Level dBA | Outlet Pipe Diameter | Dimension LxWxH (mm) | |
| BO-7.5 | 7.5kw | 10hp | 7 | 1.2 | 66±2 | G 1/2″ | 800*700*930 |
| 8 | 1.1 | ||||||
| 10 | 0.95 | ||||||
| 12 | 1.8 | ||||||
| BO-11 | 11kw | 15hp | 7 | 1.65 | 68±2 | G 3/4″ | 950*750*1250 |
| 8 | 1.5 | ||||||
| 10 | 1.3 | ||||||
| 12 | 1.1 | ||||||
| BO-15 | 15kw | 20hp | 7 | 2.5 | |||
| 8 | 2.3 | ||||||
| 10 | 2.1 | ||||||
| 12 | 1.9 | ||||||
| BO-18.5D | 18.5kw | 25hp | 7 | 3.2 | G 1″ | 1380*850*1160 | |
| 8 | 3.0 | ||||||
| 10 | 2.7 | ||||||
| 12 | 2.4 | ||||||
| BO-22D | 22kw | 30hp | 7 | 3.8 | |||
| 8 | 3.6 | ||||||
| 10 | 3.2 | ||||||
| 12 | 2.7 | ||||||
| BO-30D | 30kw | 40hp | 7 | 5.3 | |||
| 8 | 5.0 | ||||||
| 10 | 4.5 | ||||||
| 12 | 4.0 | ||||||
| BO-37D | 37kw | 50hp | 7 | 6.8 | G 1-1/2″ | 1500*1000*1330 | |
| 8 | 6.2 | ||||||
| 10 | 5.6 | ||||||
| 12 | 5.0 | ||||||
| BO-45D | 45kw | 60hp | 7 | 7.4 | 72±2 | ||
| 8 | 7.0 | ||||||
| 10 | 6.2 | ||||||
| 12 | 5.6 | ||||||
| BO-55D | 55kw | 75hp | 7 | 10.0 | G 2″ | 1900*1250*1570 | |
| 8 | 9.6 | ||||||
| 10 | 8.5 | ||||||
| 12 | 7.6 | ||||||
| BO-75D | 75kw | 100hp | 7 | 13.4 | |||
| 8 | 12.6 | ||||||
| 10 | 11.2 | ||||||
| 12 | 10.0 | ||||||
| BO-90D | 90kw | 125hp | 7 | 16.2 | |||
| 8 | 15.0 | ||||||
| 10 | 13.8 | ||||||
| 12 | 12.3 | ||||||
| BO-110D | 110kw | 150hp | 7 | 21.0 | G 2-1/2″ | 2500*1470*1840 | |
| 8 | 19.8 | ||||||
| 10 | 17.4 | ||||||
| 12 | 14.8 | ||||||
| BO-132D | 132kw | 175hp | 7 | 24.5 | 75±2 | ||
| 8 | 23.2 | ||||||
| 10 | 20.5 | ||||||
| 12 | 17.4 | ||||||
| BO-160D | 160kw | 220hp | 7 | 28.7 | |||
| 8 | 27.6 | ||||||
| 10 | 24.6 | ||||||
| 12 | 21.5 | ||||||
| BO-185D | 185kw | 250hp | 7 | 32.0 | DN85 | 3150*1980*2150 | |
| 8 | 30.4 | ||||||
| 10 | 27.4 | ||||||
| 12 | 24.8 | ||||||
| BO-220D | 220kw | 300hp | 7 | 36.0 | 82±2 | ||
| 8 | 34.3 | ||||||
| 10 | 30.2 | ||||||
| 12 | 27.7 | ||||||
| BO-250D | 250kw | 350hp | 7 | 42.0 | |||
| 8 | 40.5 | ||||||
| 10 | 38.2 | ||||||
| 12 | 34.5 | ||||||
| BO-315D | 315kw | 430hp | 7 | 51.0 | |||
| 8 | 50.2 | ||||||
| 10 | 44.5 | ||||||
| 12 | 39.5 | ||||||
| BO-355D | 355kw | 480hp | 7 | 64.0 | 84±2 | DN100 | |
| 8 | 61 | ||||||
| 10 | 56.5 | ||||||
| 12 | 49.0 | ||||||
| BO-400D | 400kw | 545hp | 7 | 71.2 | |||
| 8 | 68.1 | ||||||
| 10 | 62.8 | ||||||
| 12 | 62.2 | ||||||
| TECHNICAL DATA |
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| Model | Power | Pressure (bar) | Air Flow (m3/min) | Noise Level dBA | Outlet Size | Weight (kgs) | Lubricating Water(L) | Filter Element (B)-(Z) | Dimension LxWxH (mm) | |
| OF-7.5F | 7.5kw | 10hp | 8 | 1.0 | 60 | RP 3/4 | 400 | 22 | (25cm) 1 | 1000*720*1050 |
| OF-11F | 11kw | 15hp | 8 | 1.6 | 63 | 460 | 1156*845*1250 | |||
| OF-15F | 15kw | 20hp | 8 | 2.5 | 65 | RP 1 | 620 | 28 | (50cm) 1 | 1306*945*1260 |
| OF-18F | 18.5kw | 25hp | 8 | 3.0 | 67 | 750 | 33 | 1520*1060*1390 | ||
| OF-22F | 22kw | 30hp | 8 | 3.6 | 68 | 840 | 33 | 1520*1060*1390 | ||
| OF-30F | 30kw | 40hp | 8 | 5.0 | 69 | RP 11/4 | 1050 | 66 | (25cm) 5 | 1760*1160*1490 |
| OF-37F | 37kw | 50hp | 8 | 6.2 | 71 | 1100 | 1760*1160*1490 | |||
| OF-45S | 45kw | 60hp | 8 | 7.3 | 74 | RP 11/2 | 1050 | 88 | 1760*1160*1490 | |
| OF-45F | 45kw | 60hp | 8 | 7.3 | 74 | 1200 | 1760*1160*1490 | |||
| OF-55S | 55kw | 75hp | 8 | 10 | 74 | RP 2 | 1250 | 110 | (50cm) 5 | 1900*1250*1361 |
| OF-55F | 55kw | 75hp | 8 | 10 | 74 | 2200 | (50cm) 7 | 2350*1250*1880 | ||
| OF-75S | 75kw | 100hp | 8 | 13 | 75 | 1650 | (50cm) 5 | 1900*1250*1361 | ||
| OF-75F | 75kw | 100hp | 8 | 13 | 75 | 2500 | (50cm) 7 | 2550*1620*1880 | ||
| OF-90S | 90kw | 125hp | 8 | 15 | 76 | 2050 | (50cm) 5 | 1900*1250*1361 | ||
| OF-90F | 90kw | 125hp | 8 | 15 | 76 | 2650 | (50cm) 7 | 2550*1620*1880 | ||
| OF-110S | 110kw | 150hp | 8 | 20 | 78 | DN 65 | 2550 | 130 | (50cm) 12 | 2200*1600*1735 |
| OF-110F | 110kw | 150hp | 8 | 20 | 78 | 3500 | 130 | 3000*1700*2250 | ||
| OF-132S | 132kw | 175hp | 8 | 23 | 80 | 2700 | 130 | 2200*1600*2250 | ||
| OF-160S | 160kw | 220hp | 8 | 26 | 82 | 2900 | 165 | 2200*1600*2250 | ||
| OF-185S | 185kw | 250hp | 8 | 30 | 83 | DN 100 | 3300 | 180 | (50cm) 22 | 2860*1800*1945 |
| OF-200S | 200kw | 270hp | 8 | 33 | 83 | 3500 | 2860*1800*1945 | |||
| OF-220S | 220kw | 300hp | 8 | 36 | 85 | 4500 | 2860*2000*2300 | |||
| OF-250S | 250kw | 340hp | 8 | 40 | 85 | 4700 | 2860*2000*2300 | |||
| OF-315S | 315kw | 480hp | 8 | 50 | 90 | 5000 | 2860*2000*2300 | |||
F– air cooling method S– water cooling method
FAQ
Q1: Warranty terms of your machine?
A1: Two year warranty for the machine and technical support according to your needs.
Q2: Will you provide some spare parts of the machines?
A2: Yes, of course.
Q3: What about product package?
A3: We pack our products strictly with standard seaworthy case. Rcommend wooden box.
Q4: Can you use our brand?
A4: Yes, OEM is available.
Q5: How long will you take to arrange production?
A5: Immediate delivery for stock products. 380V 50HZ we can delivery the goods within 3-15 days. Other voltage or other color we will delivery within 30-45 days.
Q6: How Many Staff Are There In your Factory?
A6: About 100.
Q7: What’s your factory’s production capacity?
A7: About 550-650 units per month.
Q8: What the exactly address of your factory?
A8: Our first workshop located in HangZhou, ZheJiang , second workshop located in HangZhou, ZheJiang , China.
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| After-sales Service: | Online Support |
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| Warranty: | 1 Year |
| Lubrication Style: | Lubricated |
| Customization: |
Available
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Estimated freight per unit. |
about shipping cost and estimated delivery time. |
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| Payment Method: |
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Initial Payment Full Payment |
| Currency: | US$ |
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| Return&refunds: | You can apply for a refund up to 30 days after receipt of the products. |
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What is the role of air compressors in power generation?
Air compressors play a significant role in power generation, supporting various operations and equipment within the industry. Here are some key roles of air compressors in power generation:
1. Combustion Air Supply:
Air compressors are used to supply compressed air for the combustion process in power generation. In fossil fuel power plants, such as coal-fired or natural gas power plants, compressed air is required to deliver a steady flow of air to the burners. The compressed air helps in the efficient combustion of fuel, enhancing the overall performance and energy output of the power plant.
2. Instrumentation and Control:
Air compressors are utilized for instrumentation and control systems in power generation facilities. Compressed air is used to operate pneumatic control valves, actuators, and other pneumatic devices that regulate the flow of steam, water, and gases within the power plant. The reliable and precise control provided by compressed air ensures efficient and safe operation of various processes and equipment.
3. Cooling and Ventilation:
In power generation, air compressors are involved in cooling and ventilation applications. Compressed air is used to drive air-operated cooling fans and blowers, providing adequate airflow for cooling critical components such as generators, transformers, and power electronics. The compressed air also assists in maintaining proper ventilation in control rooms, substations, and other enclosed spaces, helping to dissipate heat and ensure a comfortable working environment.
4. Cleaning and Maintenance:
Air compressors are employed for cleaning and maintenance tasks in power generation facilities. Compressed air is utilized to blow away dust, dirt, and debris from equipment, machinery, and electrical panels. It helps in maintaining the cleanliness and optimal performance of various components, reducing the risk of equipment failure and improving overall reliability.
5. Pneumatic Tools and Equipment:
In power generation plants, air compressors provide the necessary compressed air for operating pneumatic tools and equipment. These tools include impact wrenches, pneumatic drills, grinders, and sandblasting equipment, which are utilized for installation, maintenance, and repair tasks. The high-pressure air generated by compressors enables efficient and reliable operation of these tools, enhancing productivity and reducing manual effort.
6. Nitrogen Generation:
Sometimes, air compressors are used in power generation for nitrogen generation. Compressed air is passed through a nitrogen generator system, which separates nitrogen from other components of air, producing a high-purity nitrogen gas stream. Nitrogen is commonly used in power plant applications, such as purging systems, blanketing in transformers, and generator cooling, due to its inert properties and low moisture content.
7. Start-up and Emergency Systems:
Air compressors are an integral part of start-up and emergency systems in power generation. Compressed air is utilized to power pneumatic starters for gas turbines, providing the initial rotation needed to start the turbine. In emergency situations, compressed air is also used to actuate emergency shutdown valves, safety systems, and fire suppression equipment, ensuring the safe operation and protection of the power plant.
Overall, air compressors contribute to the efficient and reliable operation of power generation facilities, supporting combustion processes, control systems, cooling, cleaning, and various other applications critical to the power generation industry.
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What safety precautions should be taken when working with compressed air?
Working with compressed air requires adherence to certain safety precautions to prevent accidents and ensure the well-being of individuals involved. Here are some important safety measures to consider:
1. Personal Protective Equipment (PPE):
Wear appropriate PPE, including safety goggles or a face shield to protect eyes from flying debris or particles, hearing protection to reduce noise exposure, and gloves to safeguard hands from potential hazards.
2. Compressed Air Storage:
Avoid storing compressed air in containers that are not designed for this purpose, such as soda bottles or makeshift containers. Use approved and properly labeled air storage tanks or cylinders that can handle the pressure and are regularly inspected and maintained.
3. Pressure Regulation:
Ensure that the air pressure is regulated to a safe level suitable for the equipment and tools being used. High-pressure air streams can cause serious injuries, so it is important to follow the manufacturer’s recommendations and never exceed the maximum allowable pressure.
4. Air Hose Inspection:
Regularly inspect air hoses for signs of damage, such as cuts, abrasions, or leaks. Replace damaged hoses immediately to prevent potential accidents or loss of pressure.
5. Air Blowguns:
Exercise caution when using air blowguns. Never direct compressed air towards yourself or others, as it can cause eye injuries, hearing damage, or dislodge particles that may be harmful if inhaled. Always point blowguns away from people or any sensitive equipment or materials.
6. Air Tool Safety:
Follow proper operating procedures for pneumatic tools. Ensure that tools are in good working condition, and inspect them before each use. Use the appropriate accessories, such as safety guards or shields, to prevent accidental contact with moving parts.
7. Air Compressor Maintenance:
Maintain air compressors according to the manufacturer’s guidelines. Regularly check for leaks, clean or replace filters, and drain moisture from the system. Proper maintenance ensures the safe and efficient operation of the compressor.
8. Training and Education:
Provide adequate training and education to individuals working with compressed air. Ensure they understand the potential hazards, safe operating procedures, and emergency protocols. Encourage open communication regarding safety concerns and implement a culture of safety in the workplace.
9. Lockout/Tagout:
When performing maintenance or repairs on compressed air systems, follow lockout/tagout procedures to isolate the equipment from energy sources and prevent accidental startup. This ensures the safety of the individuals working on the system.
10. Proper Ventilation:
Ensure proper ventilation in enclosed areas where compressed air is used. Compressed air can displace oxygen, leading to a potential risk of asphyxiation. Adequate ventilation helps maintain a safe breathing environment.
By adhering to these safety precautions, individuals can minimize the risks associated with working with compressed air and create a safer work environment.
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Can air compressors be used for automotive applications?
Yes, air compressors can be used for various automotive applications and are commonly found in automotive repair shops, garages, and even in some vehicles. Here are some automotive applications where air compressors are frequently utilized:
1. Tire Inflation: Air compressors are commonly used to inflate tires in automotive applications. They provide a convenient and efficient way to inflate tires to the recommended pressure, ensuring optimal tire performance, fuel efficiency, and safety.
2. Air Tools: Air compressors power a wide range of pneumatic tools used in automotive repair and maintenance. These tools include impact wrenches, ratchet wrenches, air hammers, pneumatic drills, and sanders. Air-powered tools are favored for their high torque and power-to-weight ratio, making them suitable for heavy-duty automotive tasks.
3. Spray Painting: Air compressors are commonly used in automotive painting applications. They power airbrushes and spray guns that are used to apply paint, primer, and clear coats. Air compressors provide the necessary air pressure to atomize the paint and deliver a smooth and even finish.
4. Brake System Maintenance: Air compressors play a crucial role in maintaining and diagnosing automotive brake systems. They are used to pressurize the brake lines, allowing for proper bleeding of the system and detection of leaks or faults.
5. Suspension Systems: Some automotive suspension systems, such as air suspensions, rely on air compressors to maintain the desired air pressure in the suspension components. The compressor inflates or deflates the suspension as needed to provide a comfortable ride and optimal handling.
6. Cleaning and Dusting: Air compressors are used for cleaning automotive parts, blowing away dust and debris, and drying surfaces. They provide a high-pressure stream of air that effectively cleans hard-to-reach areas.
7. Air Conditioning Systems: Air compressors are a key component in automotive air conditioning systems. They compress and circulate refrigerant, allowing the system to cool and dehumidify the air inside the vehicle.
When using air compressors for automotive applications, it’s important to consider the specific requirements of the task at hand. Ensure that the air compressor has the necessary pressure and capacity to meet the demands of the application. Additionally, use appropriate air hoses, fittings, and tools that are compatible with the compressor’s output.
Overall, air compressors are versatile and valuable tools in the automotive industry, providing efficient power sources for a wide range of applications, from tire inflation to powering pneumatic tools and supporting various automotive systems.


editor by CX 2024-01-12
China supplier Low Pressure Industrial Electric Oil Free Small Silent Rotary Screw Air Compressor 7.5kw 10HP Price on Sale air compressor price
Product Description
Product Description
Product Paramenters
Product Details
Related Products
Factory show
FAQ
Q1: Do you supply only screw air compressor?
A1:Hi friend, we can supply all the machines for Blowing-Filling-Packaging production line including 5 gallon filling machine ,beverage filling machine, bottle blowing machine, high pressure air compressor, water purification euipment and other related machines.
Q2:Are you a factory ?
I have to say we are not a factory but we have stable cooperated factories. We are familiar with each other and they can meet all our needs. Comparing to factory, we are more flexible, we have a strong chain of suppliers, Which can provide need all kinds of customers’ need.
Q3: If you are not factory ,how do you control the quality and price?
As the agent of the manufacturer, we have cooperated with the factory for many years, so we can guarantee the quality of products, and we have exclusive price, so as to ensure that we can give customers a competitive price.
Q4: Can you help us about technical problem?
We have been engaged in this industry for more than 10 years, and we have experienced engineers who can provide customers technical guidance and help for free.
Q5: Can you supply original parts in the future?
Yes ,we have stock of original parts from factory directly ,which can also be given base on good price. Enough stock can ensure our delivery faster.
| After-sales Service: | Online |
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| Warranty: | 1 Year |
| Lubrication Style: | Oil-less |
| Cooling System: | Air Cooling |
| Power Source: | AC Power |
| Cylinder Position: | Vertical |
| Customization: |
Available
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Can Water-Lubricated Air Compressors Be Used in Cold Climates?
Water-lubricated air compressors can be used in cold climates, but there are certain considerations and precautions to keep in mind. Here’s a detailed explanation of using water-lubricated air compressors in cold climates:
Freezing of Water:
- Potential for Freezing: In cold climates, the water used for lubrication in water-lubricated compressors can freeze, which can cause operational issues and damage to the equipment. Freezing can occur in the water supply lines, lubrication system, or water jackets if the temperature drops below the freezing point of water.
- Water Temperature: It is important to ensure that the water temperature remains above freezing throughout the compressor system. This can be achieved by using insulation, heat tracing, or heaters to maintain adequate water temperature. Monitoring the water temperature and implementing appropriate heating measures are crucial to prevent freezing-related problems.
Protection and Insulation:
- Protecting External Components: External components of water-lubricated compressors, such as valves, fittings, and pipes, may be exposed to cold temperatures. Insulating these components can help prevent freezing and ensure their proper functioning. Insulation materials, such as foam wraps or heat tapes, can be used to provide thermal protection.
- Water Supply Lines: Water supply lines that feed the compressor should be properly insulated and protected from freezing temperatures. Insulation can help maintain the water temperature and prevent freezing within the supply lines. Additionally, measures such as burying the supply lines below the frost line or using heat tracing cables can offer further protection against freezing.
Alternative Lubrication Methods:
- Oil-Lubricated Compressors: In extremely cold climates, where freezing is a significant concern, using oil-lubricated compressors instead of water-lubricated ones may be a more practical option. Oil-based lubrication systems are less prone to freezing and can provide reliable operation in colder temperatures. However, it is important to consider the specific requirements and limitations of oil-lubricated compressors for the intended application.
Manufacturer Recommendations:
- Consulting the Manufacturer: It is crucial to consult the manufacturer’s guidelines and recommendations regarding the use of water-lubricated compressors in cold climates. Manufacturers may provide specific instructions, modifications, or alternative solutions to ensure the safe and efficient operation of their equipment under cold weather conditions.
By implementing proper insulation, heating measures, and following the manufacturer’s guidance, water-lubricated air compressors can be used effectively in cold climates. It is important to assess the specific requirements of the application and consider the potential challenges associated with freezing temperatures to ensure the reliable and safe operation of the water-lubricated compressor system.
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How Does Water-Lubrication Affect the Lifespan of Air Compressor Components?
Water-lubrication can have both positive and negative effects on the lifespan of air compressor components. Here’s a detailed explanation of how water-lubrication can impact the lifespan of air compressor components:
Positive Effects:
- Lubrication: Water-lubrication provides effective lubrication to the moving parts of the air compressor, reducing friction and wear. Proper lubrication helps minimize the stress on components such as pistons, cylinders, and bearings, which can contribute to extended component lifespan.
- Cooling: Water-lubricated systems offer efficient cooling properties. The circulation of water through water jackets or cooling channels helps dissipate heat generated during compression. Effective cooling can prevent excessive temperature rise, reducing the risk of thermal damage and prolonging the lifespan of compressor components.
- Contaminant Control: Water-lubrication can aid in controlling contaminants within the compressor system. Water acts as a medium to trap and remove particulate matter or debris generated during compressor operation. This helps protect components from potential damage and contributes to their longevity.
Negative Effects:
- Corrosion: Water-lubrication introduces moisture into the compressor system, which can increase the risk of corrosion. Corrosion can degrade the integrity of components, leading to reduced lifespan and potential failures. Proper corrosion prevention measures, such as using corrosion-resistant materials or implementing water treatment processes, are essential to mitigate this negative effect.
- Contamination: Although water-lubrication can help control contaminants, it can also introduce impurities and contaminants if the water supply or treatment is not adequately managed. Contaminants such as sediment, minerals, or microbial growth can negatively impact component lifespan by causing blockages, wear, or chemical degradation. Regular maintenance and proper filtration systems are crucial to minimize contamination-related issues.
- System Complexity: Water-lubricated systems can be more complex than oil-lubricated systems, requiring additional components such as water pumps, filters, and separators. The complexity of the system can introduce more points of failure or maintenance requirements, which, if not addressed properly, can affect the overall lifespan of the compressor components.
Proper maintenance, monitoring, and adherence to manufacturer guidelines are essential to maximize the positive effects and mitigate the negative effects of water-lubrication on air compressor components. Regular inspection, cleaning, lubrication, and water treatment can help ensure optimal operation and prolong the lifespan of the compressor components.
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How does a water lubrication system work in air compressors?
A water lubrication system in air compressors is designed to provide lubrication and cooling to the internal components of the compressor using water as the lubricant. This system offers an alternative to traditional oil lubrication systems and has specific advantages in certain applications. Here’s a detailed explanation of how a water lubrication system works in air compressors:
1. Water Injection:
In a water lubrication system, a controlled amount of water is injected into the compression chamber of the air compressor. This can be achieved through various methods, such as direct injection or atomization of water droplets.
2. Lubrication:
As the compressed air is generated, the injected water serves as a lubricant for the internal components of the compressor. The water forms a thin film on the surfaces, reducing friction and wear between the moving parts. This lubrication helps to improve the efficiency and lifespan of the compressor.
3. Cooling:
The water injected into the compression chamber also acts as a cooling medium. As the air is compressed, heat is generated, and the injected water absorbs some of this heat. The water carries away the heat, preventing excessive temperature rise and maintaining optimal operating conditions for the compressor.
4. Separation and Filtration:
After serving its lubrication and cooling purposes, the water needs to be separated from the compressed air. The compressed air and water mixture pass through a separator or filtration system, which separates the water from the compressed air. This can involve mechanisms such as centrifugal force, gravity separation, or filtration media.
5. Water Treatment:
In water lubrication systems, proper water treatment is essential to maintain the quality and performance of the system. Water filtration and purification processes are employed to remove impurities, contaminants, and any solid particles present in the water. This ensures that the injected water is clean and free from any substances that could potentially harm the compressor or the downstream air system.
6. Recirculation or Discharge:
Depending on the specific design of the water lubrication system, the separated water can be recirculated back into the system for reuse or discharged from the compressor. Recirculation systems involve the treatment and filtration of the water before reintroducing it into the compression chamber. Discharge systems, on the other hand, may involve further treatment or disposal of the water in an environmentally responsible manner.
By utilizing a water lubrication system, air compressors can benefit from reduced oil consumption, improved air quality, and enhanced energy efficiency. These systems are commonly employed in industries where oil contamination must be avoided, such as food processing, pharmaceutical manufacturing, and electronics production.


editor by CX 2023-12-12