Positive Displacement - Type SD-I Sandwich Hydraulic Diaphragm

Series PDP - Type SD - I - Sandwich hydraulic diaphragm

"SD" type sandwich hydraulic diaphragm metering pumps are suitable for use when the liquid to dose contains small suspended solids and when piston lackage are not accepted. Is included on the pump a safety valve for guarantee the diaphragm security against over pressure .The characeristics of this pump is the special sandwich diaphragm and the reliable rupture detention specifically for industrial application.The PDP series are manufactured according to API standard 675. Stroke adjustment can be done manually, electrically (4-20mA; Profibus) and pneumatically. Accuracy is better than 1% from 10 to 100%. Different multiple head units are available on request. A wide range of material like Hastelloy,Alloy,PTFE are available. All the series can be ATEX certified.


Max. Capacity

Max. Pressure


108 Lt/h 14 Bar


418 Lt/h 14 Bar


1068 Lt/h 11 Bar


 Some standard  execution 05 03 11
 Pump head S.S.316 PVC PP
 Piston S.S.420 S.S.420 S.S.420
 Piston gasket AU/NBR AU/NBR AU/NBR
 Oil chamber All. All. All.
 Valve seat S.S.316 PVC PP
 Valve ball S.S.316 PYREX PYREX