P Type
(Diaphragm pump)


A revolution in pumping technology, the unique Harben® radial piston pump range are the best performing, most durable and reliable high pressure pumps in the marketplace today.

P Type Maintenance Guide

Oil & Water Bleed Procedure

  • Unrivalled reliability and long service intervals
  • Variable pressure and flow options without piston changes
  • Run dry without damage
  • Filtration to 150 microns
  • Pump sea water without modification
  • Configure for use with hot water up to 140°
  • Multi-cylinders therefore no pulsation
  • Compact and lightweight
  • High pressure cutting of board, plastic and materials
  • Water hydraulic systems
  • Abrasive blasting and descaling
  • Drain and sewer cleaning
  • Tube descaling
  • Desalination by reverse osmosis
  • Pumping demineralized water
  • Floor and surface cleaning
  • Underwater cleaning