The Model-1101 compressor from Thomas Products Div. (formerly Rietschle Thomas), Sheboygan, Wis., uses a rolling diaphragm that combines the best features of both rotary and diaphragm pumps. The Model ...

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 ...

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 ...