Diaphragm pumps

Depending on the pump housing, the diaphragm pumps operated by compressed air can be offered in metal or plastic. Air operated diaphragm pumps made of plastic The double diaphragm pumps made of plastic have a pump housing made of polyethylene or PTFE, each also in a conductive version as an ATEX pump for use in hazardous areas. The compressed air diaphragm pumps in solid construction made of polyethylene can be used for abrasive, viscous and shear sensitive media. Air operated diaphragm pumps made of metal The metal pumps have a pump housing made of aluminum, cast iron or stainless steel. All pumps are available with composite membranes made of PTFE, EPDM or NBR. The material of the valves and seals is coordinated according to the choice of membrane.

The professional sprayers with low-fog spray technology! As a leading specialist, KELLER's Sprühmeister range offers you an extensive range of sprayers and spray pumps for a wide variety of applications. A variety of liquids can be sprayed with the devices - the possible uses are correspondingly variable. Sprühmeister professional technology is specially designed for tough use in industry and trade. Robust, reliable sprayers with clear advantages for you: - Low fog spraying - Constant spray pressure - Adjustable flow rate - Reproducible spray result - Fast, time-saving spraying - Protects the environment and health There is a comprehensive range of accessories for the devices so that the devices can be optimally adapted to the intended use of the user!

Ultra-compact and quiet pump series with low self-heating for run times up to 100% ED. The pump is self-priming up to approx. 6 meters.