Rotary-screw compressors are known for their reliability, longevity and infrequent maintenance. As such, key industries, such as molded plastics, rely heavily on these nonstop workhorses for blow ...

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After reciprocating, sliding vane compressors, also referred to as rotary vane compressors, are one of the oldest types of compressors. The first known description of a sliding vane pump was in a book ...

The lubricant in refrigeration and air conditioning systems has many important functions. Even though the circulated refrigerant is the working fluid required for cooling, the lubricant or oil is ...

Because refrigerants and refrigeration oils are miscible in one another, there will always be some oil that leaves the compressor with the refrigerant being circulated. Also, any time flooding or ...