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China Custom China Sanzhi Powerful Professional Grade Permanent Magnet VFD/VSD Two-Stage Air Cooling Screw Air Compressor for Pet Blowing Industry, Gas Filling Station air compressor lowes

Product Description

Introducing the groundbreaking Low-Pressure Compressor, an extraordinary innovation brought to you exclusively by Sanzhi (ZheJiang ) Compressor Co., Ltd.! Embark on an unrivaled journey of industrial CHINAMFG with our spectacular Two-Stage Compression Permanent Magnet Variable Frequency Drive Screw Air Compressor. This exceptional engineering marvel is designed to offer an outstanding array of power options, ranging from a robust 15KW to an impressive 250KW. Engineered with precision and versatility in mind, this powerhouse of reliability and efficiency is truly set to revolutionize your operations. Experience the transformative power of this state-of-the-art compressor, meticulously crafted to exceed the diverse and demanding requirements of today’s industries. Immerse yourself in the pinnacle of air compression technology with this high-capacity machine, ideally suited for heavy-duty applications. With its sophisticated two-stage air cooling system, the compressor ensures unrivaled performance and longevity, establishing itself as the premier choice for businesses aiming to streamline operations and maximize productivity. Discover the pioneering brilliance of Sanzhi, where superior quality harmonizes seamlessly with exceptional performance, elevating industrial expectations to unprecedented new heights.

Product Structure

Internal Structure Frontside

Internal Structure Backside

Working Principle

Within this expertly crafted air compression environment lies the secret to unlocking unprecedented energy efficiency. Sanzhi (ZheJiang ) Compressor Co., Ltd. presents a marvel where single-stage compression boasts energy needs akin to multi-stage systems. However, real-world factors like coupling power losses, bearing friction, and fluid viscosity-driven cooling effects can elevate energy consumption. By meticulously optimizing the compression ratio at each stage, these inefficiencies are significantly reduced. Consequently, our multi-stage compression exhibits substantially lower total power consumption compared to single-stage alternatives, guaranteeing a refined and economically astute operation.

Introducing the CHINAMFG of innovation from Sanzhi (ZheJiang ) Compressor Co., Ltd.: the state-of-the-art Efficient Twin-Stage Two-Stage Air Cooling Screw Air Compressor. This engineering masterpiece features a meticulously refined twin-stage rotary screw mechanism, with each stage’s active screw powered by a robust external power transmission system. The initial stage showcases a low-pressure screw group, seamlessly transitioning to a high-pressure screw group in the second stage. Each screw is enveloped in a protective sealing air film. During operation, the gas experiences an intricate three-phase cycle of suction, pressurization, and exhaust, delivering unmatched compression efficiency and superior performance.

First Stage Compression: Journey into groundbreaking innovation with our two-stage screw air compressor, expertly compressing gas using the low-pressure screw group. Initially, gas is drawn into the compression chamber via the suction valve, where the rapid rotation of the screw rotor compresses it efficiently. Following this primary compression, the gas transitions effortlessly to the second stage, paving the way for further compression excellence.

Second Stage Compression: Elevate to the next tier as the gas experiences intensified compression within a more compact screw space, achieving heightened temperatures and pressures. This culminates as the exhaust valve opens, allowing high-pressure gases to exit the system, thus completing the entire compression cycle with unparalleled precision and effectiveness.

The air begins its sophisticated journey by entering through the air filter into the first compression stage, where it amalgamates with a precisely calculated amount of lubricating oil. This blend is compressed to an intermediate pressure, after which the gas transitions into a cooling channel. Here, it interacts with a generous oil mist, dramatically reducing the temperature. The cooled, compressed gas then advances to the second-stage rotor for its ultimate compression to the desired exhaust pressure. CHINAMFG CHINAMFG this final stage, the fully compressed gas exits the system through the exhaust valve, culminating the compression cycle with exceptional precision and efficiency.

Detailed Photos

1) High efficiency of PM motor:Discover a new CHINAMFG of energy efficiency with our state-of-the-art permanent magnet motor. This cutting-edge powerhouse boosts efficiency by an extraordinary 20-30% over conventional models. Its impressive range of constant torque and forward-thinking weak magnetic dynamics ensure it maintains unrivaled efficiency, even when exceeding rated frequency, providing optimal performance at all times.

2) Two-stage compression unique air end:Embrace the future with our revolutionary two-stage compression system, showcasing a uniquely crafted air end. This innovation masterfully combines dual compression rotors within a single casing, operating through direct gear-driven rotors at ideal linear speeds. Experience a remarkable increase in compression efficiency and unmatched reliability.

3) Integrated frequency converter: Harness the power of China’s leading frequency system with our compressor’s vast speed regulation range and precise control. Effortlessly adjust the frequency to match real-time gas needs for outstanding energy savings and enhanced operational performance.
 

4) Reduce internal leakage:Our pioneering two-stage compression technology meticulously optimizes the compression ratio per stage, significantly reducing internal leakage from high to low-pressure zones. This breakthrough elevates volumetric efficiency and enhances overall compressor performance.

5) Variable frequency start and the soft startOur motor, boasting variable frequency and soft start features, is designed to significantly reduce the stress on power grid systems. These features protect electrical components from potential damage, thus prolonging their lifespan remarkably.

6) Reduce energy consumption: Our cutting-edge frequency conversion system seamlessly operates from an impressive 25% to 100%, surpassing the typical 50% to 100% range. It delivers over 30% energy savings compared to fixed-speed compressors, plus an additional 5% efficiency boost over standard variable frequency systems, ideal for varying gas demands.
 

7) No transmission loss: Our brilliantly efficient design features a direct link between the permanent magnet motor and compressor, eliminating transmission components, ensuring flawless 100% transmission efficiency and guaranteeing CHINAMFG performance without compromise.

8) Air cooling method: Our superior air cooling system delivers exceptional cooling power, markedly lowering compressed air temperatures. This approach supports near-isothermal compression, reduces pressure loss, optimizes the compression ratio, and elevates overall efficiency.

9)Smart Touch Controller: Our advanced smart controller, equipped with intuitive intelligence, drastically reduces manual interventions. With a high-resolution color display, it offers user-friendly graphical interfaces, timely maintenance reminders, fault alerts, and safety shutdown notifications to ensure uninterrupted, smooth operation.
 

10)Special Type Intake Valve:Automatic opening ensures seamless engine fuel injection and oil circulation, significantly enhancing overall system efficiency.
With remarkably diminished oil circuit loss, our system achieves a notable efficiency enhancement.
The normally open solenoid valve ensures a secure seal during emergency stops, preventing oil injection and ensuring utmost system safety.

11)Excellent Air Filter:Our top-tier air filter offers unparalleled purification with a robust three-stage filtration system, ensuring premium air quality. It effectively eliminates steam and dust, surpassing the highest emission standards for environmentally conscious operations.

12)High-Quality Soundproof Cotton:Featuring innovative noise reduction housing and premium soundproof cotton, our design dramatically reduces operational vibrations and noise, creating a quieter, more efficient workplace environment.
 

13) Motor maintenance-free:Unveil the pinnacle of compressor technology with our revolutionary maintenance-free permanent magnet motor design, meticulously engineered to eliminate the complexity of internal bearings. This groundbreaking advancement eradicates the inconvenience of bearing maintenance and replacements, significantly curtailing long-term maintenance expenditures. As a result, our compressor systems are synonymous with enhanced reliability, consistently achieving CHINAMFG performance over extended durations. Embrace our innovative solution for unmatched cost-efficiency and extraordinary dependability.

14) Noise Reduction: Immerse yourself in the tranquility provided by Sanzhi (ZheJiang ) Compressor Co., Ltd.’s advanced two-stage compression technology. This remarkable system is expertly designed to optimize the compression ratio, leading to a significant reduction in operational noise levels, particularly during unloading phases. Enjoy a quieter, more efficient workspace that bolsters productivity, courtesy of the Sanzhi Efficient Robust Two-Stage Permanent Magnet VFD Screw Compressor. Trust Sanzhi’s unparalleled engineering expertise to elevate the CHINAMFG of your industrial operations.

15) Effortless Maintenance and Unmatched Service: Step into the future of hassle-free maintenance with our revolutionary two-stage compressor unit, meticulously crafted by Sanzhi (ZheJiang ) Compressor Co., Ltd. This cutting-edge design maintains the familiar structure and systems of a single-stage compressor, with the innovation centered on the screw air end. This ingenious design ensures maintenance and service remain straightforward and user-friendly. Revel in seamless maintenance paired with consistent, high-quality performance with the Sanzhi Efficient Robust Two-Stage Permanent Magnet VFD Screw Compressor. Rely on Sanzhi for effortless maintenance and outstanding results.

Product Parameters

Model Power Exhaust pressure Free air delivery* of unit at working pressure Voltage Frequency Air outlet discharge size Weight Dimensions
KW Mpa m³/min V Hz Inch Kg L*W*H(mm)
SZ15VF-II 15 0.5 4.00 380 50 G1½ 660 1450*780*1180
0.8 3.00
1.3 2.00
SZ19VF-II 18.5 0.5 5.00 380 50 G1½ 680 1450*780*1180
0.8 4.00
1.3 3.80
1.6 2.20
SZ22VF-II 22 0.5 6.60 380 50 G1½ 730 1650*880*1280
0.8 4.20
1.3 3.00
1.6 2.50
SZ30VF-II 30 0.5 7.00 380 50 G1½ 980 2000*1260*1560
0.8 6.40
1.3 4.00
1.6 3.00
SZ37VF-II 37 0.5 10.00 380 50 G1½ 1080 2000*1260*1560
0.8 7.00
1.3 5.50
1.6 4.00
SZ45VF-II 45 0.5 13.00 380 50 G2 1980 2000*1260*1560
0.8 10.00
1.3 6.50
1.6 5.00
SZ55VF-II 55 0.5 17.00 380 50 G2 2180 2150*1300*1730
0.8 12.00
1.3 8.60
1.6 5.00
SZ75VF-II 75 0.5 20.00 380 50 G2 2280 2150*1300*1730
0.8 16.50
1.3 11.00
1.6 9.00
SZ90VF-II 90 0.5 24.00 380 50 DN65 3200 2700*1920*1820
0.8 20.00
1.3 14.00
1.6 11.00
SZ110VF-II 110 0.5 28.00 380 50 DN65 3360 2700*1920*1820
0.8 24.50
1.3 18.00
1.6 14.00
                                                                Due to product updates, the above parameters are subject to deviation in kind.

Our Advantages

1. Competitive Pricing

Unlock the gateway to unparalleled value with Sanzhi (ZheJiang ) Compressor Co., Ltd. When you collaborate with us, you embrace a world of factory-direct pricing excellence, offering you a formidable competitive edge within your industry. Elevate your market presence with our strategic pricing prowess, meticulously crafted to boost your profitability and solidify your market position.

2. Direct Transactions
Transform your purchasing experience through our cost-effective and seamless direct transaction model. Our efficient logistics pipeline delivers products straight from our factory to you, ensuring substantial savings and a consistently reliable supply chain that precisely meets your needs with unparalleled efficiency.

3. OEM & ODM Services
Capitalize on our advanced production and management capabilities to access superior OEM and ODM services. Each offering is tailored to align seamlessly with your unique needs, ensuring that all custom requirements are meticulously executed with precision and excellence.

4. Customized Solutions
Excel in handling non-standard and export orders with our tailor-made solutions. We expertly address a diverse range of voltage, power, and pressure specifications, crafting responses to meet your specific needs. Share your distinct requirements, and we’ll develop solutions that align with your precise expectations flawlessly.

5. Small Order Acceptance
Embark on your journey with us through a small trial order and experience the exceptional quality of our products first-hand. Ensure your complete satisfaction before scaling to larger orders, providing you with the ultimate peace of mind and steadfast confidence in your decision.

6. Rapid Delivery
Experience the peace of mind that comes with our swift and reliable delivery services. We prioritize ensuring the rapid arrival of our premium products, guaranteeing your operations remain seamless and function at CHINAMFG efficiency.

7. Comprehensive Authorization
Amplify your distribution capabilities with our comprehensive authorization certifications. Market and distribute SANZHI brand products with full confidence, supported by our extensive and rigorous certification process that empowers your success and drives your business growth.

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Company Profile

Sanzhi (ZheJiang ) Compressor Co., Ltd stands as a distinguished leader in the innovative world of screw air compressors and vacuum pumps. With an illustrious track record spHangZhou over a decade, we are proud to introduce a cutting-edge selection of products. Our comprehensive portfolio includes standard and low-pressure screw air compressors, as well as the revolutionary permanent magnet frequency conversion screw air compressors and advanced two-stage compression screw air compressors. Catering to specialized requirements, our laser cutting screw air compressors deliver precision and reliability. We also offer adaptable single-tank and double-tank mobile screw air compressors. Our electric and diesel mobile screw air compressors are engineered for top-tier performance. Additionally, our cutting-edge screw vacuum pumps are meticulously designed to meet the most rigorous industrial standards.

At Sanzhi, our state-of-the-art production facility is equipped with cutting-edge multi-air compressor assembly lines, ensuring each unit is crafted with unparalleled efficiency and precision. Our dedicated team of over 50 highly skilled experts is committed to elevating our management systems, including the integration of ERP solutions, reducing lead times significantly. This dedication ensures rapid delivery of our premium products. Our relentless pursuit of innovation propels us to the pinnacle of the industry, setting new benchmarks of CHINAMFG that distinguish us from competitors.

Our meticulously crafted management systems are designed to uphold the highest quality standards. Accredited with the esteemed ISO9001 quality management system certification, we maintain rigorous quality control procedures. Each machine undergoes comprehensive inspections throughout various stages, from material selection to production checks and pre-delivery evaluations, ensuring unmatched product reliability and excellence. Our unwavering commitment to quality offers you absolute confidence in superior performance.

Discover our exceptional customer service, beginning with our pre-sales team providing expert guidance to select the ideal air equipment for diverse facilities. We offer extensive customization options, including design and configuration changes, delivering bespoke solutions to meet specific dealer needs through our OEM services. Our professional sales and support team is always available to provide swift and effective post-sales assistance, guaranteeing that your requirements are met promptly and accurately. Experience unrivaled customer care with Sanzhi.

At Sanzhi (ZheJiang ) Compressor Co., Ltd, we are dedicated to delivering products that epitomize superiority, reliability, and stability. Committed to fostering lasting partnerships with our clients, we ensure timely delivery, world-class machinery, and competitive pricing. Our mission is to offer the ideal compressed air solution tailored to your needs, delivering unparalleled value, performance, and satisfaction.

Nestled in the scenic beauty of HangZhou City, ZheJiang Province, China, our factory boasts a prime location just 30 kilometers from HangZhou International Airport, ensuring seamless accessibility within about an hour’s drive. We warmly welcome you to visit our facility and witness our exceptional offerings firsthand! Come and explore the unique Sanzhi experience in person.

FAQ
Q1. Are you a trading company or manufacturer?
A: We are a prominent manufacturer specializing in screw air compressors, with over a decade of profound industry expertise. Our extensive experience distinctly sets us apart in the market, highlighting our exceptional capabilities.

Q2. How do you control quality?
A: 1. We conduct comprehensive inspections of our raw materials to ensure superior quality before production begins.
2. Our installation process is meticulously monitored at every phase to ensure precision and accuracy.
3. Each machine undergoes a minimum of 5 continuous hours of rigorous testing prior to dispatch, guaranteeing CHINAMFG performance and reliability.

Q3. What information must I provide to get the suitable machine?
1. Your required air delivery capacity (Unit: CFM or m³/Min).
2. The desired working pressure (Unit: PSI, Bar or Mpa).
3. The voltage and frequency specifications of your country of residence (V/Hz).
4. Any additional accessories needed, such as an air tank, filters, or air dryers.
Provide us with this information, and we will craft a flawlessly tailored solution uniquely for you! Our expertise guarantees that we meet your exact needs with precision and excellence.

Q4. What is the general unit conversion?
1Bar = 0.1Mpa = 14.5PSI
1m³/min = 35.32 cfm. This precise conversion highlights the extraordinary capacity of our compressors, enabling them to meet the vast needs of industrial usage with unmatched performance and supreme efficiency.
1KW = 1.34 HP. This power conversion underlines the outstanding capability of our compressors, delivering substantial output to ensure stable and trustworthy operation, even in the most challenging environments.

Q5. What is the available voltage air compressor?
A: Sanzhi (ZheJiang ) Compressor Co., Ltd. provides an extensive array of voltage options, expertly accommodating global standards. Select from 380v/50hz/3p, 400v/50hz/3p, 415v/50hz/3p, 220v/60hz/3p, and 440v/60hz/3p. Our commitment is to deliver highly customized solutions that fulfill your specific electrical requirements, ensuring superior compatibility and premium performance.

Q6. How long is the delivery time?
A: For standard voltage units, our efficient processes ensure shipment within an impressive 15 working days post order confirmation. For non-standard voltage needs, contact our devoted sales team for a detailed delivery schedule tailored precisely to your specifications.

Q7. What’s the payment term?
A: Our payment terms are designed for your convenience: 30% T/T in advance, 40% T/T before shipment, and the remaining 30% T/T CHINAMFG receiving the B/L copy. We accept payments in both USD and RMB, offering flexibility and ease for smooth transactions.

Q8. How about your warranty?
A: Sanzhi offers a comprehensive warranty that delivers peace of mind: 1 year for the entire machine and 2 years for the screw air compressor, with consumable spare parts excluded. This commitment emphasizes our dedication to quality and durability.

Q9. What about the maintenance?
A: Initial maintenance is vital and should be performed after 500 operating hours. Subsequent maintenance is recommended between 2000-3000 hour intervals, adjusted to your specific working environment, ensuring optimal performance and longevity.

Q10. Can machines be run in high-temperature environment?
A: Absolutely! Our machines are engineered to deliver exceptional performance even in extreme temperatures. They reliably maintain efficient operation across a wide range of -20° to 45° (-4ºF to 113ºF), guaranteeing durability and dependability under the harshest conditions.

Q11. Do you offer OEM service?
A: Yes, we excel in providing both OEM and ODM services. Our expert design team is proficient in bringing your custom orders to life, crafting tailor-made solutions that perfectly align with your specifications, enhancing brand identity and product differentiation.

Q12. How long could your air compressor be used?
A: Our air compressors are meticulously engineered for exceptional longevity, offering an impressive lifespan that typically exceeds 10 years of dependable and efficient service, ensuring sustained productivity and value.

Q13. Will you provide some spare parts for the machines?
A: Absolutely, we provide a comprehensive selection of superior-quality spare parts designed to ensure your machines continue to operate seamlessly and maintain CHINAMFG performance, maximizing uptime and operational efficiency over the long term.

Q14. How about your after-sales service?
A: We offer exceptional after-sales support, providing detailed online guidance for installation and commissioning. If needed, we can arrange for expert engineers to deliver hands-on training and comprehensive installation assistance, ensuring seamless integration and optimal operation.

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air compressor

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.

air compressor

How do you choose the right air compressor for woodworking?

Choosing the right air compressor for woodworking is essential to ensure efficient and effective operation of pneumatic tools and equipment. Here are some factors to consider when selecting an air compressor for woodworking:

1. Required Air Volume (CFM):

Determine the required air volume or cubic feet per minute (CFM) for your woodworking tools and equipment. Different tools have varying CFM requirements, so it is crucial to choose an air compressor that can deliver the required CFM to power your tools effectively. Make sure to consider the highest CFM requirement among the tools you’ll be using simultaneously.

2. Tank Size:

Consider the tank size of the air compressor. A larger tank allows for more stored air, which can be beneficial when using tools that require short bursts of high air volume. It helps maintain a consistent air supply and reduces the frequency of the compressor cycling on and off. However, if you have tools with continuous high CFM demands, a larger tank may not be as critical.

3. Maximum Pressure (PSI):

Check the maximum pressure (PSI) rating of the air compressor. Woodworking tools typically operate within a specific PSI range, so ensure that the compressor can provide the required pressure. It is advisable to choose an air compressor with a higher maximum PSI rating to accommodate any future tool upgrades or changes in your woodworking needs.

4. Noise Level:

Consider the noise level of the air compressor, especially if you’ll be using it in a residential or shared workspace. Some air compressors have noise-reducing features or are designed to operate quietly, making them more suitable for woodworking environments where noise control is important.

5. Portability:

Assess the portability requirements of your woodworking projects. If you need to move the air compressor frequently or work in different locations, a portable and lightweight compressor may be preferable. However, if the compressor will remain stationary in a workshop, a larger, stationary model might be more suitable.

6. Power Source:

Determine the power source available in your woodworking workspace. Air compressors can be powered by electricity or gasoline engines. If electricity is readily available, an electric compressor may be more convenient and cost-effective. Gasoline-powered compressors offer greater flexibility for remote or outdoor woodworking projects where electricity may not be accessible.

7. Quality and Reliability:

Choose an air compressor from a reputable manufacturer known for producing reliable and high-quality equipment. Read customer reviews and consider the warranty and after-sales support offered by the manufacturer to ensure long-term satisfaction and reliability.

8. Budget:

Consider your budget and balance it with the features and specifications required for your woodworking needs. While it’s important to invest in a reliable and suitable air compressor, there are options available at various price points to accommodate different budgets.

By considering these factors and evaluating your specific woodworking requirements, you can choose an air compressor that meets the demands of your tools, provides efficient performance, and enhances your woodworking experience.

air compressor

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.

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editor by lmc 2025-02-24

China supplier G2z-5/30~400 High Pressure 400bar Helium Hydrogen Gas Air Screw Diaphragm Compressor with high quality

Product Description

100% purity no leakage Oil-free  Booster Hydrogen Gas Diaphragm Compressor  

The diaphragm compressor booster is a special structure of the volume-type compressor with high compression ratio, good leak tightness, compressed gas without lubricating oil and other CHINAMFG impurities contaminated features, So it’s suitable for high purity compression, rare, valuable, inflammable, explosive, toxic, harmful, corrosive, and high pressure gas.

Keepwin produced Helium compressor, Oxygen Compressor, Hydrogen Compressor, Nitrogen Compressor, Recovery H2 Gas compressor, Argon compressor, cylinder filling booster compressor, etc widely used in Petrochemicals, Fine ChemicalsPharmaceutical ChemicalsEnergy ChemicalsMachinery IndustryElectronics IndustryAgricultureAnimal Husbandry and Defense Industry, AstronomyAerospace, Medical and other fields.
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Advantages of Diaphragm compressor:
1.  Oil-free compression due to the hermetic separation between gas and oil chamber.
2.  Abrasion-free compression due to static seals in the gas stream
3.  Automatic shutdown in case of a diaphragm failure prevents damage
4.  High Compression Ratios-Discharge pressure up to 1000bar.
5.  Contamination Free Compression
6.  Corrosion Resistance
7.  High Reliability

As a displacement compressor with special,diaphragm compressor is characterized by large compression ratio,good sealing performace,and that the compress air will not be polluted by lubricant or other CHINAMFG impurities.Therefore diaphragm compressor is applicable to compress high-purity,rare and precious,flammable and explosive,toxic and hazardous,corrosive and high pressure gases.
Keepwin diaghragm compressors consist of 4 types that are Z,V,L and D type.The exhaust pressure ranges from 1.3 to 100 Mpa. The products are widely used in the industries of national defense,scientific research,petrochemical,nuclear power,parmaceutical,food-stuff and gas separation.

We offer a wide variety and types of diaphragm compressors. You can install these in many different scenarios. It is possible to install the compressors in hydrogen houses between and electrolyzer and a storage system, in businesses to support their needs such as ice cream companies for hydrogenation, at farmers where they use it to produce ammonia or as a fuel at the back of a wind farm or solar farm, and refineries to pressurise the hydrogen before it is being used to clean up the gas or oil. There are also many applications for our H2 gas compressors.

For instance, you can also use the diaphragm compressor in green hydrogen transport applications, energy storage solutions, grid balancing, food processing, and power station cooling. We pride ourselves at ensuring that as many applications of our compressor units use renewable electricity to pressure the hydrogen.

Each of our H2 compressor units is unique. It is built to your needs all with the latest innovations in hydrogen compression, safety, and operation. We offer different hydrogen flow and pressures all set to match your storage working pressure.

We can customize hydrogen into different types of storage systems at 150bar 200 bar, 350 bar (5000 psi), 450 bar, 500 bar, 700 bar (10,000 psi), 900 bar (13,000 psi).

Inquiry to us!
Note:for the other customizing process gas compressor, please kindly send below information to our factory to calculate the producing cost for your item.
 Clients’ inquiries should contain related parameters 
A. The gas compression medium 
B. Gas composition? or the gas purity?
C. The flow rate: _____Nm3/hr
D. Inlet pressure: _____ Bar (gauge pressure or absolute pressure)
E. Discharge pressure: _____ Bar (gauge pressure or absolute pressure)
F. Inlet temperature
G.Discharge temperature
H. Cooling water temperature as well as other technical requirement.

Technical Paramter of Oil Free Diaphragm Compressor

No. Model F.A.D (Nm3/h) Inlet Pressure 
( Mpa)
Exhuast Pressure 
(Mpa)
Power 
(KW)
Speed
r/min
Dimension
(L×W×H)mm
N.W 
Weight (t)  
Voltage
V
 
15 GZ-45/150~350 45 10~20 35 7.5 400 1610*790*1380 0.55 380  
16 GZ-5/30~400 5 3 40 5.5 400 1560*790*1470 0.55 380  
17 GZ-30/32~170 30 3.2 17 7.5 400 1550*650*1530 0.7 380  
18 GZ-600/75~83 600 7.5 8.3 11 400 1780*1050*1750 1.3 380  
19 GZ-85/100~350 85 5~25 35 18.5 400 1900*1240*1760 1.6 380  
20 GZ-150/150~350 150 15 35 18.5 400 1780*1050*1750 1.8 380  
21 GZ-40/7~30 40 0.7 3 7.5 400 1653*1372*1470 0.9 380  
22 GZ-100/20~35 100 2 3.5 5.5 400 1330*750*1530 0.9 380  
23 GV-110/8~150 110 0.8 15 30 400 2370*1458*1630 3 380  
24 GV-150/3.5~30 150 0.35~0.55 3 30 400 2543*1835*2036 3.21 380  
25 GV-60/0.38~9.3 60 0.038 0.93 15 400 2030*1520*1750 72 380  

Main technical data

Cylinder 
All the cylinders comprise upper plate, diaphragms, and cylinder body etc. The diaphragms are clamped between the cylinder cover and cylinder body. The cylinder cover and cylinder body each has a concave recess hollowed out in their contacting faces. The gas cylinder is formed between cylinder cover concave recess and diaphragms. Both suction valve and discharge valve are fitted on the upper plate. Among of them, the discharge valve is located on the center of the upper plate. The evenly located small oil holes are on the cylinder body to deliver the oil pressure inside the oil cylinder to the bottom of diaphragms (each diaphragm compressor’s cylinder has 3 piece diaphragm.) 

Pressure Regulating Valve 
The oil pressure of oil cylinder is regulated by the tension of the valve spring.In case the oil pressure is higher than the regulated value, turn the regulating bolt counter-clockwise to loosen the spring tension, but turn the regulating bolt clockwise to tighten the spring, when the oil pressure is lower than the regulated value. When the oil pressure meets the required value, the regulating bolt must be locked with a lock-nut. The oil pressure of the oil cylinder shall always be higher than the discharge pressure by 15~20%. But the oil and gas differential pressure shall not be lower than 0.3MPa or higher than 1.5MPa. 

Cooler
The cooler structure is the double-wall pipe type. The circular space between the outer and inner pipe is the cooling water passage and the inner pipe is the gas passage. Normally the water inlet port is at the lower side and the water outlet port is at the upper side. The flow direction of cooling water and gas is on the contrary.

Oil Pressure Measuring Device 
The measuring device of oil cylinder discharge pressure consists of shock-proof pressure gauge, check valve and unloading valve. The case of the pressure gauge is totally airproof and filled with damping liquid. The inner devices of gauge is immersed in the liquid, which makes the pressure gauge hands stable through the function of the viscosity of damping liquid. The unloading valve is fitted under the gauge to discharge the remained air in the oil pipeline   and to unload the oil pressure gauge. Also the check valve connecting with oil cylinder through pipeline is fitted under the unloading valve.   

Oil pipes 
Oil pipes consist of lube oil pipe and oil pressure secure system.

The lubrication for the driving device adopts gear oil pump circulation pressure lubricating. The lube oil stored in the frame oil tank enters into the gear oil pump after being filtered and is pressed into the oil holes in the crankshaft through the gear oil pump to lubricate the crankshaft friction surface. At the same time, part of the lube oil reaches the crosshead pin and crosshead along the oil holes in the connecting rod to lubricate the friction surface. The oil pressure of gear oil pump shall be kept between 0.3~0.5Mpa, and the bearings at the 2 ends of crankshaft is splash lubricated. 
Oil pressure secure system consists of oil compensating pipe, pressure-measuring pipe and oil return pipe. The oil output from the oil compensating pump will supplement oil for compressor cylinders through the oil compensating pipe and the excess oil returns to the crankcase through the pressure-regulating valve.

FAQ
Q1: What’s your delivery time?
A: Generally 5-10 days if the goods are in stock. Or it is 20-35 days if the goods are not in stock, it is according to quantity.

Q2: How long is your air compressor warranty?
A: Usually 1 year /12 Months for whole compressor machine, 2years/24months for air end (except maintenance spare parts.). And we can provide further warranty if necessary. 

Q3: How long could your air compressor be used?
A: Generally, more than 10 years.

Q4: Can you do OEM for us?
A: Yes, of course. We have around 2 decades OEM experience.And also we can do ODM for you.

Q5: What’s payment term?
A: T/T, L/C, D/P, Western Union, Paypal, Credit Card, Trade Assurance and etc. Also we could accept USD, RMB, GBP, Euro and other currency.

Q6: How about your customer service?
A: 24 hours on-line service available. 48hours problem sovled promise.

Q7: How about your after-sales service?
A: 1. Provide customers with intallation and commissioning online instructions.
2. Well-trained engineers available to overseas after-sales service. 

Q8. Are you factory?
A4: Absolutely! You have touched the primary sources of Air /Gas Compressor. We are factory.

How to contact with us?
Send your Inquiry Details in the Below, or Click “Send inquiry to supplier” to check more other Gas Compressor machine equipment!

 

Lubrication Style: Oil-free
Cooling System: Water Cooling
Cylinder Arrangement: Balanced Opposed Arrangement
Cylinder Position: Vertical
Structure Type: Closed Type
Compress Level: Single-Stage
Customization:
Available

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air compressor

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.

air compressor

Can air compressors be used for medical and dental applications?

Yes, air compressors can be used for various medical and dental applications. Compressed air is a reliable and versatile utility in healthcare settings, providing power for numerous devices and procedures. Here are some common applications of air compressors in medical and dental fields:

1. Dental Tools:

Air compressors power a wide range of dental tools and equipment, such as dental handpieces, air syringes, air scalers, and air abrasion devices. These tools rely on compressed air to generate the necessary force and airflow for effective dental procedures.

2. Medical Devices:

Compressed air is used in various medical devices and equipment. For example, ventilators and anesthesia machines utilize compressed air to deliver oxygen and other gases to patients. Nebulizers, used for respiratory treatments, also rely on compressed air to convert liquid medications into a fine mist for inhalation.

3. Laboratory Applications:

Air compressors are used in medical and dental laboratories for various purposes. They power laboratory instruments, such as air-driven centrifuges and sample preparation equipment. Compressed air is also used for pneumatic controls and automation systems in lab equipment.

4. Surgical Tools:

In surgical settings, compressed air is employed to power specialized surgical tools. High-speed air-driven surgical drills, saws, and bone-cutting instruments are commonly used in orthopedic and maxillofacial procedures. Compressed air ensures precise control and efficiency during surgical interventions.

5. Sterilization and Autoclaves:

Compressed air is essential for operating sterilization equipment and autoclaves. Autoclaves use steam generated by compressed air to sterilize medical instruments, equipment, and supplies. The pressurized steam provides effective disinfection and ensures compliance with rigorous hygiene standards.

6. Dental Air Compressors:

Specialized dental air compressors are designed specifically for dental applications. These compressors have features such as moisture separators, filters, and noise reduction mechanisms to meet the specific requirements of dental practices.

7. Air Quality Standards:

In medical and dental applications, maintaining air quality is crucial. Compressed air used in healthcare settings must meet specific purity standards. This often requires the use of air treatment systems, such as filters, dryers, and condensate management, to ensure the removal of contaminants and moisture.

8. Compliance and Regulations:

Medical and dental facilities must comply with applicable regulations and guidelines regarding the use of compressed air. These regulations may include requirements for air quality, maintenance and testing procedures, and documentation of system performance.

It is important to note that medical and dental applications have specific requirements and standards. Therefore, it is essential to choose air compressors and associated equipment that meet the necessary specifications and comply with industry regulations.

air compressor

How do oil-lubricated and oil-free air compressors differ?

Oil-lubricated and oil-free air compressors differ in terms of their lubrication systems and the presence of oil in their operation. Here are the key differences:

Oil-Lubricated Air Compressors:

1. Lubrication: Oil-lubricated air compressors use oil for lubricating the moving parts, such as pistons, cylinders, and bearings. The oil forms a protective film that reduces friction and wear, enhancing the compressor’s efficiency and lifespan.

2. Performance: Oil-lubricated compressors are known for their smooth and quiet operation. The oil lubrication helps reduce noise levels and vibration, resulting in a more comfortable working environment.

3. Maintenance: These compressors require regular oil changes and maintenance to ensure the proper functioning of the lubrication system. The oil filter may need replacement, and the oil level should be regularly checked and topped up.

4. Applications: Oil-lubricated compressors are commonly used in applications that demand high air quality and continuous operation, such as industrial settings, workshops, and manufacturing facilities.

Oil-Free Air Compressors:

1. Lubrication: Oil-free air compressors do not use oil for lubrication. Instead, they utilize alternative materials, such as specialized coatings, self-lubricating materials, or water-based lubricants, to reduce friction and wear.

2. Performance: Oil-free compressors generally have a higher airflow capacity, making them suitable for applications where a large volume of compressed air is required. However, they may produce slightly more noise and vibration compared to oil-lubricated compressors.

3. Maintenance: Oil-free compressors typically require less maintenance compared to oil-lubricated ones. They do not need regular oil changes or oil filter replacements. However, it is still important to perform routine maintenance tasks such as air filter cleaning or replacement.

4. Applications: Oil-free compressors are commonly used in applications where air quality is crucial, such as medical and dental facilities, laboratories, electronics manufacturing, and painting applications. They are also favored for portable and consumer-grade compressors.

When selecting between oil-lubricated and oil-free air compressors, consider the specific requirements of your application, including air quality, noise levels, maintenance needs, and expected usage. It’s important to follow the manufacturer’s recommendations for maintenance and lubrication to ensure the optimal performance and longevity of the air compressor.

China supplier G2z-5/30~400 High Pressure 400bar Helium Hydrogen Gas Air Screw Diaphragm Compressor   with high qualityChina supplier G2z-5/30~400 High Pressure 400bar Helium Hydrogen Gas Air Screw Diaphragm Compressor   with high quality
editor by CX 2023-11-10