Using Oilless Scroll Air Compressors

Who uses Oilless Scroll Air Compressors? What is a oilless scroll air compressor? A scroll air compressor is a compressor that generates air by using two teflon coated plates, separated with a tip seal.  These plates bring atmospheric air and pressurize the air to system pressure of 50-145 PSIG.  Typically, their are two pumps, a low pressure (115 psi) and high pressure pump (145 psi).   Where are oilless scroll air compressors installed? Scroll pumps are used for a variety of