This is of a dried out vacuum pump is a pump that does not use any fluids to create a vacuum or contact the procedure gas and will also discharge to atmosphere. … Timing gears with oil reservoirs and close clearances between your rotors and housing are extra attributes that make up a dried out vacuum pump.

Principle of Operation

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