Product Description

Muqi Factory Supply Screw Type 55kw 75kw 90kw 110kw 200kw Dry Oil Free Industrial Screw Air Compressor Factory Price

PM VSD Screw Air Compressor
Permanent magnet use high-strength NdFeB (neodymium iron boron) magnetic steel, high magnetic energy product and connectivity of NdFeB magnetic steel, make rare-earth permanent magnet motor have small size , lightweight , high efficient, good character etc

Advantages:
The permanent magnet motor remains high efficiency at low speeds, ensuring obvious energy-saving advantages in small air volume
-Frequency range from 0%-100%(common conversion from 60%-100%)D
-Compared with the fixed speed compressor, energy saving 22%-40%
-Compared with the common inverter compressor, energy saving 5%-15%
System volume fluctuations larger, the energy-saving effect more obvious.

Product Specification

Factory Supply Screw Type 55kw 75kw 90kw 110kw 200kw Dry Oil Free Industrial Screw Air Compressor Factory Price

Two-Stage Two Drive Series Technical Parameters(VSD)

Product Details

Unique air end

Two IPM motors,two-stage screw,gearless
More stable,more energy saving,more efficiency
SK bearing
It has the advantages of withstanding higher loads, having lower noise, greatly reducing operating costs, and increasing machine reliability

No transmission trouble
TRSLPM running under the top efficiency all time
High efficiencylPM motor + “0”transmission loss
Low running noise

Microcomputer intelligent control air compressor dischargepressure,exhaust gas temperature, engine speed, oil pressure,water temperature and fuel tank level operating parameterswith automatic alarm and shutdown protection.

Multi-language display
Personalized Control System
Easy to operate,can work for you 24 hours without anyone on duty

Product Parameters

Permanent magnet screw air compressor
Two-Stage Two Drive Series Technical Parameters(VSD)
 

Applications

Company Profile

Established in 2012,Muqi Air Compressor Co.,Ltd is a manufacturer which specialized in  R&D, design,produce,sale and after-sales service of air compressor.We are located in HangZhou city, ZheJiang province. With the convenient transportation , you are welcomed to visit us at anytime.
 

As 1 of compressor experts in north of China,Muqi has a complete production line,that is we have nearly all kinds of air compressor,such as screw compressor,portable air compressor,industrial air compressor,rotary compressor,oil-less air compressor,two stage air compressor,permanent magnet variable speed/frequency air compressor,energy save air compressor,variable flow air compressor,permanent magnet synchronous compressor,etc.They are widely used in machinery, light industry, textile, food, petroleum, chemical industry, metallurgy, mining, electric power, urban construction, medical research and national defense research and other industries.
About our team,we have R&D department with 15 engineers and technicians,we can offer the solutions for your specific requirements,not only for different voltage(V) and frequency(Hz),besides,there are sales department,production department,QC department,logistic department.All departments cooperate together to make sure to delivery on time and qualified.

Certifications

Air compressor service

1. After-sale Service
   • Any questions or requests before, during or after sales, we would like to help you any time and will find you the best solution in 24 hours.
   • Warranty: One year for the whole machine 2 year for air end , and spare parts will be provided with best price.
2. Special Customized Service
     1) Full OEM
   • Quantity: at least 5 pcs
   • In this plan, we will do all the changes (Color, name plate and logo) as your need, and will not charge extra fee.
     2) Half OEM
   • Quantity: no limit
   • Under this program, we can make the necessary alteration (name plate and logo) but we will charge some extra fee for the name plate, as the name plate factory has the MOQ.
    3) Logo OEM
     • Quantity: no limit
   • Only the logo will be changed to yours, and no extra fee will be charged

FAQ

1. Q:Our voltage is different from China,can we use your air compressor?

          A:Sure,voltage and color are customizable,380V/3Ph/50HZ/60HZ, 220V/3Ph/50HZ/60HZ,  440V/3Ph/50HZ/60HZ, 415V/3Ph/50HZ/60HZ or as your required.
 

    2.Q:What’s the warranty terms of your screw air compressor?

       A: 1 year
 

   3.Q: What service will u provide if there is problem during the warranty?

      A:We have after-sales service team.During the warranty period, we will provide free parts replacement and technical guidance no matter what model of air compressor.
 

  4.Q:Can you accept OEM orders?

     A: Yes, with a professional design team, OEM orders are very welcome.
 

  5.Q:What’s your delivery time?

     A: Usually,380V 50HZ we can ship within 7-15 days. Other electric or other colors we will ship within 25-30 days
 

  6.Q: what’s your payment term?
     A: Generally,it’s T/T. Also we could accept USD, RMB, Euro and other currency
 

/* October 22, 2571 15:47:17 */(()=>{function d(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1

View More

Can Water-Lubricated Compressors Be Used in High-Pressure Applications?

Water-lubricated compressors can be used in high-pressure applications, but there are certain considerations and limitations to keep in mind. Here’s a detailed explanation:

Water-lubricated compressors are typically designed for lower to medium-pressure ranges. They are commonly used in applications where the required discharge pressure does not exceed a certain threshold, typically up to a few hundred pounds per square inch (psi). However, there are specialized water-lubricated compressors available that can handle higher pressures, depending on the specific design and construction.

The ability of a water-lubricated compressor to operate at high pressures depends on several factors:

1. Compressor Design: The design and construction of the compressor play a crucial role in determining its maximum pressure rating. Compressors designed for high-pressure applications need to have robust components, such as reinforced casings, high-strength materials, and proper sealing mechanisms to withstand the elevated pressures. Special attention should be given to the design of the water-lubricated bearing system to ensure it can handle the increased loads and pressures.
2. Water Supply and Cooling: High-pressure compressors generate more heat during the compression process, requiring efficient cooling mechanisms to maintain safe operating temperatures. Sufficient water supply and cooling capacity must be available to handle the increased heat load. Adequate flow rates, temperature control, and cooling methods, such as water jackets or external cooling systems, may be necessary to prevent overheating and ensure proper lubrication and cooling of the compressor components.
3. Water Quality: The quality of the water used for lubrication becomes even more critical in high-pressure applications. Any impurities, contaminants, or minerals present in the water can cause increased wear, corrosion, or blockages, jeopardizing the compressor’s performance and reliability. Water treatment or filtration systems may be required to maintain the desired water quality and prevent damage to the compressor.
4. Sealing and Leakage Control: As the pressure increases, it becomes more challenging to maintain effective sealing and prevent leakage in the compressor system. Proper sealing mechanisms, such as high-quality seals and gaskets, are essential to ensure minimal leakage and maintain the required pressure levels. Adequate monitoring and maintenance of the sealing components are necessary to prevent energy losses and ensure the compressor’s efficiency.

It’s worth noting that for extremely high-pressure applications, water-lubricated compressors may not be the most suitable choice. In such cases, alternative lubrication methods, such as oil or specialized lubricants, are often preferred to handle the extreme pressures and provide adequate lubrication and cooling.

When considering the use of water-lubricated compressors in high-pressure applications, it is crucial to consult with the compressor manufacturer or a qualified engineer to ensure that the chosen compressor model is specifically designed and rated for the desired pressure range. Proper installation, maintenance, and adherence to the manufacturer’s guidelines are essential to ensure the safe and efficient operation of the compressor in high-pressure conditions.

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.

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 lmc 2025-03-03