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Explosion-proof pumps are designed to prevent internal or external explosions by enclosing parts that could ignite either the transfer media or the surrounding atmosphere. KNF supplies a range of explosion-proof pumps for use in potentially explosive atmospheres. All our pumps are ATEX-compliant and certified in accordance with the 94/9/EC directive on equipment and protective systems.

The diaphragm gas sampling pumps from KNF are based on a simple principle - an elastic diaphragm, ixed on its edge, moves up and down its central point by means of an eccentric. Thus, the medium is transferred via automatic valves. The gas-bearing parts of the chemically-resistant gas pumps are made of PTFE, so they are able to withstand even highly aggressive gases and vapors. The N 726 FT.29E Ex with an adjustable low rate, is for adapting to the current process conditions. Pumps and pump drives in this product series are explosion proof according to 94/9/EC (ATEX). Several different drive motors are available