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Piston-diaphragm pumps ZDKM

Two-cylinder, double-acting for high delivery rates.

Technical DataStandardOptional
MaterialCast ironRubber-lined cast iron | Special materials
DiaphragmNBREPDM | FKM (Viton®) | CSM (Hypalon®) | PTFE | CR (Neoprene®)
Valve ballPolyurethaneStainless steel | Ceramic | PTFE | NBR | Neoprene
Valve seatPolyurethaneStainless steel | PPH | PTFE | NBR
Pressure1,6 MPa (16 bar) standardOptional HD version
Pulsation damperAir vesselDiaphragm pulsation damper
CoatingRAL 7015, slate grey (standard coating)-
Diaphragm monitoringVisual diaphragm rupture indicatorDiaphragm rupture indicator with pressure switch
BasePump standBase frame
Air supplyAir supply unitSnifter valve
Air flow meter-optionally available
 -optionally available
Lifting device diaphragm housing cover-optionally available
Pressure gaugeBourdon tube pressure gaugeDiaphragm pressure gauge
SizesZDKM500ZDKM700ZDKM900
Flow rate [m³/h]3080 – 125130 – 250
Suction flangeDN 150DN 150DN 250
Discharge flange2x DN 80DN 150DN 200
Motor [kW]5555 – 7575 – 110
Length approx. [mm]308937853885
Width approx. [mm]164020372227
Height approx. [mm]270127192713
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