Dry Vacuum Pump

This is of a dry vacuum pump is a pump that does not use any fluids to make a vacuum or contact the process gas and may also discharge to atmosphere. … Timing gears with oil reservoirs and close clearances between your rotors and housing are extra attributes that define a dry vacuum pump.

Principle of Operation

Dry screw vacuum pumps operate with two screw rotors rotating in reverse directions. This traps the medium to be pumped between your cylinder and the screw chambers and transports it to the gas discharge. … In addition, it results in a lower warmth load of the compressed gas.