Diaphragm Gas Pumps and Compressors

Sampling, evacuating and compressing – for tasks like these, KNF offers a wide range of diaphragm pumps and model variants. All the pump types offer media transfer without contamination and are maintenance-free.

Model Flow rate at
atm. pressure
(mbar absolute)
(bar relative)
Temperature-resistant and heated pumps up to 100 down to 180 up to 1.5 up to 43.5
Explosion proof pumps up to 220 down to 53 up to 4.0 up to 58.0
Process vacuum pumps and compressors up to 250 down to 15 up to 12 up to 174
Chemically resistant pumps up to 60 down to 2.0 up to 1.5 up to 21.8
Double diaphragm pumps up to 130 down to 4 up to 3.0 up to 43.5