Classic design, long life.
Less cavitation problem.
Safe and efficient operation.
Able to pump every kind of gases and vapors.
Works quiet and reduced vibration.
No need to lubrication.
Low operation and investment cost.
Minimum maintenance with high efficiently.
No metallic contact of the rotating parts.
Able to use every medium with wide material alternatives.
Compression of gases pumped are approximately isothermal
Able to pump less liquid with gases.
Provide 0 leakproofing with mechanical seal.