16 comparisons among oil screw vacuum pump, liquid ring pump and rotary vane pump
Oil-Sealed Screw Vacuum Pump Liquid Ring Vacuum Pump Rotary Vane Vacuum Pump • Drive Mode Variable-frequency drive (VFD)…
What is a Pirani Vacuum Gauge?
The resistance vacuum gauge, also known as Pirani vacuum gauge, is thermal conductive to measure the pressure by…
What is an explosion proof motor?
One customer recently requires some vacuum pumps with explosion proof motor for refrigeration application to pump R32 gas…
Anti-suckback valve of the vacuum pump
Oil return Sometimes we have such a problem: The vacuum pump works perfectly to reach required vacuum pressure…
How to read a vacuum pump motor nameplate?
There’s a nameplate attached to the vacuum pump motor to describe the specifications. So how to read it…
Scenarios for vacuum impregnation
Vacuum impregnation is commonly used in a manufacturing process to remove porosity in metal casting parts under vacuum…
Oil mist and oil spitting problem of a vacuum pump
It is often to observe that a vacuum pump has some faults like oil mist or oil spitting….
Basic knowledge about rotary piston vacuum pumps
General Information Similar to rotary vane vacuum pumps, rotary piston vacuum pumps are volumetric pumps with almost the…
Viscosity of vacuum pumps oil
Usually you may find some vacuum oil that accompanies the new vacuum pump for first time use. If…
