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China best Used Rotary Kompressor Screw Industrial Air Compressor CHINAMFG Zr75VSD air compressor parts

Product Description

        CHINAMFG is renowned for designing and manufacturing the most durable oil-free tooth compressors. The ZR/ZT rotary tooth compressor comes out of this strong tradition. Ideal for industries where high-quality oil-free air is key, the ZR/ZT offers the highest reliability and safety in combination with low energy costs.
       Oil-free air is used in all kinds of industries where air quality is paramount for the end product and production process. These applications include food and beverage processing, pharmaceutical manufacturing, chemical and petrochemical processing, fermentation, wastewater treatment, pneumatic conveying, non-woven textile manufacturing and many more.
       With the ZR/ZT, we provide an all-in-1 standard package incorporating the latest technology in a built-tolast design. To further optimize your ZR/ZT’s performance or to simply tailor it to your specific production environment, optional features are available.

100% oil-free air
Your activities in pharmaceutical production, food processing,
critical electronics or in a similarly exacting industry demand
the best air quality for a guaranteed end product and production
process. Designed with your specific applications in mind, our
rotary tooth compressors eliminate the risks of oil
contamination and the accompanying product spoilage, brand
damage and delays that represent extra costs. Preventing oil
from entering the compression process is a necessity for the
generation of consistent 100% oil-free air. Certified ISO 8573-1
CLASS 0 by the renowned TÜV institute, the ZR/ZT ensure the
safety of your application and at the same time allow you to
enjoy lower operating and maintenance costs.

Reduced energy costs
As energy accounts for more than 70% of a compressor’s
lifecycle costs (LCC), its importance is obvious. The most
cost-effective compressed air solution optimizes the pressure,
volume and air treatment equipment for each production
process. Our ZR/ZT compressors provide you with the ultimate
all-in-1 package to decrease your electricity bill by an average
of 35%. To help you save energy, regardless of whether you
require a low or high-capacity compressor, our VSD range has
been expanded with the ZT 22 VSD and the ZR/ZT 55 VSD.

Proven peace of mind
For 60 years, CHINAMFG has been leading the industry in
oil-free compressed air technology, drawing on vast experience
and continuous technological innovations. You can rest assured
at all times: severe certification and testing procedures are
conducted to ensure air is supplied to the highest standards of
quality control. Backed by extensive know-how in the field of
developing the most reliable quality air solutions, we are the
only manufacturer that offers such a vast range of different
technologies to match your exact needs. This ensures that you
can always find the perfect solution for your specific application.


ZR/ZT 75-90VSD(FF)
Model  FAD Noise Weight
I/s m³/min cfm dB(A) standard FF
kg Ibs kg  Ibs
ZR 75VSD-8.6                
max 221.7 13.3 470 74 1925 4244 2170 4784
min 74.7 4.5 159
max 196.3 11.8 417 74 1925 4244 2170 4784
min 74 4.4 155
max 258.4 15.5 547 74 1970 4343 2220 4894
min 74.7 4.5 159
max 236.6 14.2 502 74 1970 4343 2220 4894
min 74 4.4 155
ZT 75VSD-8.6
max 216.7 13 459 76 2030 4475 2630 5798
min 75 4.5 159
ZT 75VSD-10.4
max 196.7 11.6 410 76 2030 4475 2630 5798
min 94.6 4.4 155
max 256.7 15.1 534 76 2100 4630 2700 5952
min 75 4.5 159
max 231.7 13.9 491 76 2100 4630 2700 5952
min 94.6 4.4 155
ZR 132VSD-8.6
max 373.3 22.4 791 74 2870 6327 3500 7716
min 128.2 7.7 272
max 336.7 20.2 713 74 2870 6327 3500 7716
min 137.3 8.2 291
max 415 24.9 879 74 2870 6327 3500 7716
min 128.2 7.7 272
max 383.3 23 812 74 2870 6327 3500 7716
min 137.3 8.2 291
max 715 42.9 1515 73 4710 10384 6400 14110
min 242 14.5 513
max 640 38.4 1356 73 4710 10384 6400 14110
min 321.6 19.3 681
max 788.3 47.3 1670 73 4710 10141 6400 14110
min 242 14.5 513
max 700 42 1483 73 4710 10141 6400 14110
min 321.6 19.3 681
max 363.3 21.8 770 73 3820 8422 4330 9546
min 126.7 7.6 268
max 330 19.8 699 76 3820 8422 4330 9546
min 198.7 11.9 421
max 400 24 848 73 3820 8422 4330 9546
min 126.7 7.6 268
max 370 22.2 784 76 3820 8422 4330 9546
min 198.7 11.9 421
max 696.7 41.8 1476 78 5700 12566 6950 15322
min 237.1 14.2 502
max 638.3 38.3 1352 78 5700 12566 6950 15322
min 416 25 881
max 750 45 1589 78 5700 12566 6950 15322
min 237.1 14.2 502
max 688.3 41.3 1458 78 5700 12566 6950 15322
min 416 25 881

After-sales Service: Online Support
Warranty: 12 Months
Lubrication Style: Oil-free
Cooling System: Water Cooling
Power Source: AC Power
Cylinder Position: Horizontal


air compressor

How are air compressors employed in the petrochemical industry?

Air compressors play a vital role in the petrochemical industry, where they are employed for various applications that require compressed air. The petrochemical industry encompasses the production of chemicals and products derived from petroleum and natural gas. Here’s an overview of how air compressors are utilized in the petrochemical industry:

1. Instrumentation and Control Systems:

Air compressors are used to power pneumatic instrumentation and control systems in petrochemical plants. These systems rely on compressed air to operate control valves, actuators, and other pneumatic devices that regulate processes such as flow control, pressure control, and temperature control. Compressed air provides a reliable and clean source of energy for these critical control mechanisms.

2. Pneumatic Tools and Equipment:

Petrochemical plants often utilize pneumatic tools and equipment for various tasks such as maintenance, repair, and construction activities. Air compressors supply the necessary compressed air to power these tools, including pneumatic drills, impact wrenches, grinders, sanders, and painting equipment. The versatility and convenience of compressed air make it an ideal energy source for a wide range of pneumatic tools used in the industry.

3. Process Air and Gas Supply:

Petrochemical processes often require a supply of compressed air and gases for specific applications. Air compressors are employed to generate compressed air for processes such as oxidation, combustion, and aeration. They may also be used to compress gases like nitrogen, hydrogen, and oxygen, which are utilized in various petrochemical reactions and treatment processes.

4. Cooling and Ventilation:

Petrochemical plants require adequate cooling and ventilation systems to maintain optimal operating conditions and ensure the safety of personnel. Air compressors are used to power cooling fans, blowers, and air circulation systems that help maintain the desired temperature, remove heat generated by equipment, and provide ventilation in critical areas.

5. Nitrogen Generation:

Nitrogen is widely used in the petrochemical industry for applications such as blanketing, purging, and inerting. Air compressors are utilized in nitrogen generation systems, where they compress atmospheric air, which is then passed through a nitrogen separation process to produce high-purity nitrogen gas. This nitrogen is used for various purposes, including preventing the formation of explosive mixtures, protecting sensitive equipment, and maintaining the integrity of stored products.

6. Instrument Air:

Instrument air is essential for operating pneumatic instruments, analyzers, and control devices throughout the petrochemical plant. Air compressors supply compressed air that is treated and conditioned to meet the stringent requirements of instrument air quality standards. Instrument air is used for tasks such as pneumatic conveying, pneumatic actuators, and calibration of instruments.

By employing air compressors in the petrochemical industry, operators can ensure reliable and efficient operation of pneumatic systems, power various tools and equipment, support critical processes, and maintain safe and controlled environments.

air compressor

How does the horsepower of an air compressor affect its capabilities?

The horsepower of an air compressor is a crucial factor that directly impacts its capabilities and performance. Here’s a closer look at how the horsepower rating affects an air compressor:

Power Output:

The horsepower rating of an air compressor indicates its power output or the rate at which it can perform work. Generally, a higher horsepower rating translates to a greater power output, allowing the air compressor to deliver more compressed air per unit of time. This increased power output enables the compressor to operate pneumatic tools and equipment that require higher air pressure or greater airflow.

Air Pressure:

The horsepower of an air compressor is directly related to the air pressure it can generate. Air compressors with higher horsepower ratings have the capacity to produce higher air pressures. This is particularly important when operating tools or machinery that require specific air pressure levels to function optimally. For example, heavy-duty pneumatic tools like jackhammers or impact wrenches may require higher air pressure to deliver the necessary force.

Air Volume:

In addition to air pressure, the horsepower of an air compressor also affects the air volume or airflow it can provide. Higher horsepower compressors can deliver greater volumes of compressed air, measured in cubic feet per minute (CFM). This increased airflow is beneficial when using pneumatic tools that require a continuous supply of compressed air, such as paint sprayers or sandblasters.

Duty Cycle:

The horsepower rating of an air compressor can also influence its duty cycle. The duty cycle refers to the amount of time an air compressor can operate continuously before it needs to rest and cool down. Higher horsepower compressors often have larger and more robust components, allowing them to handle heavier workloads and operate for longer periods without overheating. This is particularly important in demanding applications where continuous and uninterrupted operation is required.

Size and Portability:

It’s worth noting that the horsepower rating can also affect the physical size and portability of an air compressor. Higher horsepower compressors tend to be larger and heavier due to the need for more substantial motors and components to generate the increased power output. This can impact the ease of transportation and maneuverability, especially in portable or mobile applications.

When selecting an air compressor, it is essential to consider the specific requirements of your intended applications. Factors such as desired air pressure, airflow, duty cycle, and portability should be taken into account. It’s important to choose an air compressor with a horsepower rating that aligns with the demands of the tools and equipment you plan to operate, ensuring optimal performance and efficiency.

Consulting the manufacturer’s specifications and guidelines can provide valuable information on how the horsepower rating of an air compressor corresponds to its capabilities and suitability for different tasks.

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.

China best Used Rotary Kompressor Screw Industrial Air Compressor CHINAMFG Zr75VSD   air compressor partsChina best Used Rotary Kompressor Screw Industrial Air Compressor CHINAMFG Zr75VSD   air compressor parts
editor by CX 2023-10-20