A liquid ring compressor or vacuum pump is a rotating positive displacement compressor and vacuum pump. As you review the list of the most significant pros and cons, you will have an easier time determining if liquid ring compressor or vacuum applications are right for your needs. Pros Simple and compact structure Operating speeds are mostly designed to match electric motors synchronous speeds, making it possible to directly connect the compressor to the motor, eliminating the need for a gearbox device. Relatively steady flow of gas without pulsation No pressure fluctuations With no metal friction on the cavity surface […]