Plunger pump PD series

for crude oilfor hydrocarbonsfor gas

The series includes 5 sizes of pumps with the following characteristics: Crankmechanism with mechanical plunger return stroke 0 - 100% continuous stroke adjustment while pump is stationary or running Metering accuracy better than 1% within the normal operating range of 10 - 100% capacity Required NPSH lower than 0,3 bar abs at normal operating conditions Liquid End Suction and delivery valves of single or double ball type AISI 316 as standard construction material of all the parts in contact with the fluid. Other materials depending on the fluid nature upon request Flanged suction and discharge connection as standard execution Stuffing box with lantern ring for flushing Standard packing with V or square section rings, made of PTFE, neoprene or impregnated fibres PD-D type includes models with double acting pumping heads for very large capacities