Diaphragm Gas Pumps

KNF offers a large selection of diaphragm pumps for sampling, evacuating and compressing applications. All pump types are based on the same working principle of an oscillating diaphragm inside the pump head offering oil-free, uncontaminated and maintenance-free operation.

ModelFlow rate at atm. pressure (l/min)Vacuum (mbar absolute)Pressure (bar g)
Micro pumpsup to 12down to 200up to 1.5
Vacuum pumps and compressorsup to 130down to 0.5up to 7.0
Chemically resistant pumpsup to 60down to 2.0up to 1.5
Temperature-resistant and heated pumpsup to 100down to 180up to 1.5
Explosion proof pumpsup to 220down to 53up to 4.0
Double diaphragm pumpsup to 130down to 4up to 3.0