• Oil Free Lubricated Compressors Refrigerant Recovery Machine
Oil Free Lubricated Compressors Refrigerant Recovery Machine

Oil-free lubrication compressor refrigerant recovery machine is a specially designed equipment for recovering and charging refrigerant, its main feature is the use of oil-free lubrication technology, avoiding the contamination of refrigerant by lubricating oil.

Oil Free Lubricated Compressors Refrigerant Recovery Machine

1.Principle of operation

The working principle of oil-free lubrication compressor refrigerant recovery machine is mainly based on the operation of oil-free compressor. The oil-free compressor cylinders do not need lubricating oil, and its moving parts are mainly made of some specially designed self-lubricating composite materials. During the recovery process, the oil-free compressor extracts the gas from the receiving cylinder, which reduces the pressure and temperature inside the receiving cylinder. The extracted gas is compressed and discharged into the gas side of the recovered unit, and the pressure inside the recovered unit increases. Under the pressure difference, the liquid in the recovered unit flows rapidly into the receiving cylinder. During the recovery process, you can observe whether the liquid is recovered or not through the sight glass on the liquid pipeline, and then replace the pipeline connection to recover the remaining gas refrigerant. The remaining gas refrigerant in the recovered unit is directly sucked into the compressor for compression, liquefied in the condenser and then charged into the receiving cylinder for storage.


2.the main features

Oil-free lubrication:

  • The cylinder does not need lubricating oil, avoiding the contamination of refrigerant by lubricating oil.

  • The moving parts are made of specially designed self-lubricating composite materials to ensure the long-term stable operation of the compressor.

Efficient Recovery:

  • Adopting advanced compression technology, it can recover refrigerant quickly and efficiently.

  • Applicable to a wide range of refrigerants, such as CFC, HCFC, HFC, etc.

Environmental protection and energy saving:

  • Oil-free compressor reduces lubricant consumption and emission, which is in line with environmental protection requirements.

  • The recovered refrigerant can be reused, saving resources.

Portable design:

  • The equipment is compact and lightweight, easy to carry and operate.

  • Some of the equipment is also equipped with a trolley-type design, which further improves portability.

Safety and Reliability:

  • The equipment has multiple safety protection devices to ensure safety during operation.

  • It meets the relevant safety standards and regulations.


3.Application Scenarios

The oil-free lubricated compressor refrigerant recovery machine is widely used in the repair and maintenance work of the refrigeration industry, such as refrigerant recovery for air conditioners, cold storage, refrigeration units and other equipment. In addition, the equipment is also suitable for automobile air conditioning maintenance, quality inspection of refrigeration equipment manufacturers and other links.

Oil free lubricated compressors


refrigerant recovery machines


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