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Polyolester oil (POE oil) is a type of wax-free synthetic oils used in refrigeration compressors that is compatible with the refrigerants R-134a, R-410A, and R-12. [1] POE oils are used as a lubricant in systems using the refrigerant HFC-134a when replacing CFC-12, as these systems traditionally use mineral oil, [2] which HFC-134a does not mix ...
PAG lubricants are used by the two largest U.S. air compressor OEMs in rotary screw air compressors. [7] PAG oils of different viscosity grades (usually either ISO VG 46 or ISO VG 100) are often used as compressor lubricants for automotive air conditioning systems employing low global warming potential refrigerants.
A lubricant (sometimes shortened to lube) is a substance that helps to reduce friction between surfaces in mutual contact, which ultimately reduces the heat generated when the surfaces move. It may also have the function of transmitting forces, transporting foreign particles, or heating or cooling the surfaces.
Rotary screw compressors are commercially produced in Oil Flooded, Water Flooded and Dry type. The efficiency of rotary compressors depends on the air drier, [clarification needed] and the selection of air drier is always 1.5 times volumetric delivery of the compressor. [9] Designs with a single screw [10] or three screws [11] instead of two exist.
Consequently, air treatment identical to that used for an oil-flooded screw compressor is frequently required to ensure quality compressed air. In small piston compressors carpenters homeowners sometimes use "oil free" compressors in which oil free is a reference to not using oil but Teflon type of coatings permanently adhered to wear surfaces.
Growing Oil and Gas Industries: The increasing global demand for energy has spurred significant growth in the oil and gas industry, driving the need for efficient and reliable equipment, including centrifugal compressors, for extraction, processing, and transportation.