China Liquid Oxygen Tank Oxygen Machine Oxygen Concentrator Generator Compressor

Product Description

Oxygen Compressors


Absolute Oil-free Design
Oxygen is concentrated from the oxygen-enriched product  gas stream by selectively removing nitrogen from the ambient compressed air.
Two ways to produce oxygen in common use are PSA pressure swing adsorption and VPSA membrane gas separation. The dry oxygen O2
from VPSA is by atmospheric pressure,and the dry oxygen from the PSA plant is around 0.4mpa. All components of compressor are
assembled in a special zone free from contamination of dust and other pollutants. Components contacted with oxygen must be cleaned
and removed grease with solvent before assembly. During the fabrication we strictly follow oxygen cleaning guidelines and maintain
a detailed cleaning record.

Thanks to many years of experience in the technology of oil-free oxygen compression, we offer 100% oil free oxygen compressor to fill
15mpa or 20Mpa oxygen cylinder in the usage of hospital or ndustry. The safe operation could be ensured,since there is no lubricating
oil in the compressorchamber. And undoubtedly no contaminated oxygen will be obtained.

By Combing the standardized modular product with suitable chamber for different bore, our oil-free oxygen compressor with capacity
ranging from 3 to  50m3/h has earn a good reputation on  the compact design, competitive cost ,  and high reliability.



The oxygen compressors are designed for the medical use or filling oxygen cylinder, max discharge pressure can be up to 3600 psig, 
the three-stage compressors adopt single-acting cylinder on a W type compressor structure with crankcase, piston ,piston rod and
without-cross head, be suitable for the compression of 5nm3/h to 30nm3/h.The crankcase don’t need to be lubricated by lubricating
oil , which ensure the clean and high oxygen be obtained.
Piston ring and packing ring made of self-lubricating material .

By Combing the standardized modular product with suitable chamber for different bore,
our oil-free oxygen compressor with capacity ranging from 3–30m3/h has earn a good
reputation on the compact design, competitive cost , and high reliability.

1.        Three connection rod on a same crankshaft.
2.         Connect directly  CZPT piston  and connection rod 
3.        Three CZPT piston arranged on  W compressor structure
4.         Xihu (West Lake) Dis. ring on the CZPT piston
5-6 .    Install CZPT cylinder at each stage 
7.         Piston ring and piston 
8-9.     Install the Reed vlave 
10.     Bare compressor for 3 stage compression

How Does It Work ?
Generally oil-free oxygen compressor is designed for 2-3 stage compression. The Air cooled type is suitable for 3-15m³,
while the water cooled type is suited for 15-30m³. Single-acting cylinders on a W type design crankcase is as below:

In our smaller rod load reciprocating oxygen compressor, the connecting rod links the piston and the crankshaft directly.
And CZPT cylinder and CZPT piston are available to ensure minimal wear and long life.
Grease customized specially for oxygen in an oil seal cover is adopted to lubricate the crankshaft. The lubrication of cylinder
is accomplished from the special self-lubrication raw material of piston ring and CZPT ring.

Safe and Easy Operation
Safety valves for each stage provide the protection when discharge pressure exceeds the rated value.
Easy installment and operation. Just connect the inlet and outlet port of compressor on site.
Alarm temperature and pressure can be adjusted by temperature and pressure controller in accordance with request.
When discharge pressure reaches rated value 15mpa or 20mpa, compressor will stop automatically.
Discharge temperature and pressure will be displayed on the temperature gauge or pressure gauge.
O2 compressor could be shut down if low suction, high discharge temperature and pressure occur.

How to Fill Oxygen Cylinder with Oxygen Compressor ?

Oxygen generator combined with high pressure oxygen compressor, filling ramp, hose, copper valves, pressure gauge
for filling oxygen cylinder makes a system called “oxygen filling station”. The cylinder filling manifold is equipped with
approved depression cabinet. Connection of cylinder standard can be customized such as G3/4,G5/8 or other type.
Filling head can be made from 1 heads to 20 head or more than in accordance with the request.

Oxygen buffer tank is a must downstream of the oxygen generator to ensure the pressure and flows absolute instability.
The low pressure tank need to be installed before the booster.


Max Horsepower 61 HP,45KW
Max Discharge Pressure (PSIG) 3,600 PSIG,25MPA
Flow Ranges 1.76 to 58.9 SCFM(3Nm3/h to 100nm3/h)
Cooling Air or Water
Number of Stages 3,4
Maximum RPM 450 – 700 RPM
Lubrication Type OIL-FREE
Acting Single or double acting
Piston stroke t 50mm,70mm,90mm,110mm

Usage of Oxygen Compressor 
Medical usage: small capacity oxygen generator supply a cost-effective, on-site, reliable and safe alternative to
traditional 02 cylinder in the centre oxygen supplier system of hospital. Oxygen from concentrator will be boosted
by compressor, distributed through the gas pipe system in hospital, and then be sent to each hospital room after
reduced pressure.

Filling high pressure oxygen cylinder for medical usage.

Industrial Usage:
Steel plant and glass manufacturing
Cutting &welding of metals
Recovery of vaporized 02 in liquid oxygen tank
Paper mills and water treatment plants
Chemical ,petrochemical &pharmaceutical industry
Diving and medical CZPT care services

How to Choose the Right Air Compressor

An air compressor uses pressurized air to power a variety of tools. They are most commonly used to power nailers and impact wrenches. Other popular uses for air compressors include paint sprayers and impact wrenches. While all air compressors have the same basic construction, their specialty differs. Ultimately, their differences come down to the amount of air they can push. Read on for information on each type of air compressor. These tools are great for many different purposes, and choosing the right air compressor depends on your specific needs.

Electric motor

While purchasing an electric motor for air compressor, compatibility is a key factor. Not all motors work with the same type of air compressor, so it’s important to check the manufacturer’s instructions before purchasing. By doing this, you can avoid wasting money on an incompatible motor. Another important consideration is speed. A motor’s speed is its rate of rotation, measured in revolutions per minute. It is critical that you purchase a motor with sufficient speed to meet the needs of your air compressor.
Typically, an electric motor for air compressor is 1.5 hp. It is ideal for use with medical equipment and metal-cutting machines. It also performs well under continuous operation and offers a high efficiency and energy-saving performance. Moreover, it features an attractive price, making it a good choice for a wide range of applications. If you are looking for a motor for an air compressor, look no further than a ZYS series.
A motor’s protection class indicates how the motor will operate. Protection classes are specified by the IEC 60034-5. These are stated with 2 digits and represent the protection against solid objects and water. For example, an IP23 rating means that the motor will be protected from solid objects, while IP54 means that it will protect from dust and water sprayed from all directions. It is vital to choose a motor with the correct protection class for your air compressor.
When choosing an electric motor, you should consider whether it’s compatible with the brand of air compressor. Some may be compatible, while others may require advanced electronics skills to repair. However, most air compressors are covered by warranty, so it’s important to check with the manufacturer if the warranty is still in effect before you spend a dime on a replacement. The motor should be replaced if it has failed to perform as designed.

Oil bath

Air compressors require proper lubrication to function efficiently. The piston must draw air with minimal friction. Depending on their design, air compressors can either be oil-lubricated or oil-free. The former uses oil to reduce piston friction, while the latter splashes it on the cylinder bearings and walls. Such air compressors are commonly known as oil-flooded air compressors. In order to keep their oil baths clean, they are recommended for use in locations with high dust levels.

Start/stop control

An air compressor can be controlled by a start/stop control. This type of control sends a signal to the main motor that activates the compressor when the demand for air falls below a preset limit. This control strategy is effective for smaller air compressors and can be useful for reducing energy costs. Start/stop control is most effective in applications where air pressure does not change frequently and where the compressor is not required to run continuously.
To troubleshoot this problem, you need to check the power supply of your compressor. To check the supply side, use a voltage monitor to determine if power is flowing to the compressor. Ensure that the power supply to the compressor is steady and stable at all times. If it fluctuates, the compressor may not start or stop as expected. If you cannot find the problem with the air compressor power supply, it may be time to replace it.
In addition to the start/stop control, you may want to purchase additional air receivers for your air compressor. These can increase the capacity of air stored and reduce the number of times it starts and stops. Another way to decrease the number of starts per hour is to add more air receivers. Then, you can adjust the control to match your requirements. You can also install a pressure gauge that monitors the compressor’s performance.
Start/stop control for air compressors can be complex, but the basic components are relatively easy to understand. One way to test them is to turn the compressor on or off. It is usually located on the exterior of the motor. If you’re unsure of the location of these components, check the capacitors and make sure that the air compressor is not running while you’re not using it. If it does, try to remove the capacitor.
Variable displacement control is another way to adjust the amount of air flowing into the compressor. By controlling the amount of air, the control can delay the use of additional compressors until more required air is available. In addition to this, the device can also monitor the energy used in the compressor. This control method can result in substantial energy savings. You can even save on the amount of electricity by using variable displacement control. It is essential for efficient compressed air systems.

Variable speed drive

A VFD, or variable frequency drive, is a type of electric motor that adjusts its speed to match the demand for air. It is an efficient way to reduce energy costs and improve system reliability. In fact, studies have shown that a 20% reduction in motor speed can save up to 50% of energy. In addition, a VFD can monitor additional variables such as compressor oil pressure and motor temperature. By eliminating manual checks, a VFD will improve the performance of the application and reduce operating costs.
In addition to reducing energy costs, variable-speed drives also increase productivity. A variable-speed air compressor reduces the risk of system leaks by 30 percent. It also reduces the risk of system leaks by reducing pressure in the system. Because of these advantages, many governments are promoting this technology in their industries. Many even offer incentives to help companies upgrade to variable-speed drives. Therefore, the variable-speed drive can benefit many air compressor installations.
One major benefit of a variable-speed drive is its ability to optimize energy use. Variable frequency drives are able to ramp up and down to match the demand for air. The goal is to optimize the pressure and flow in the system so that the best “dead band” occurs between 40 percent and 80 percent of full load. A variable-speed compressor will also increase energy efficiency because of its programmability.
A variable-speed air compressor can also be used to control the amount of air that is compressed by the system. This feature adjusts the frequency of power supplied to the motor based on the demand. If the demand for air is low, the frequency of the motor will reduce to save energy. On the other hand, if there is an excess demand for air, the variable-speed compressor will increase its speed. In addition, this type of air compressor is more efficient than its fixed-speed counterpart.
A VFD has many benefits for compressed air systems. First, it helps stabilize the pressure in the pipe network, thereby reducing the power losses due to upstream pressure. It also helps reduce the power consumption caused by fluctuations in upward pressure. Its benefits are also far-reaching. And as long as the air pressure and air supply is properly sized, a VFD will help optimize the efficiency of compressed air systems.

China Liquid Oxygen Tank Oxygen Machine Oxygen Concentrator Generator Compressor  China Liquid Oxygen Tank Oxygen Machine Oxygen Concentrator Generator Compressor

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