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 ...
Moving hydraulic fluid through a system requires either a pump or compressor. Both achieve this goal, but through different operating methods. Pumps have the ability to move liquids or gases.