HDP 125

The Hammelmann HDP 125 process pump is built to operate at continuous maximum duty. Hammelmann process pumps are suitable for a variety of applications including: methanol and glycol injection, pumping produced water down hole, dosing co-monomers during LDPE manufacture, high pressure extraction in the fatty alcohol process, mill scale removal, non woven fabric production and many, many more.

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HDP 125 process pump weight approx. 380 kg


  • Power ratings up to 90 kW
  • Vertical 3 cylinder design
  • Wide variety of complementary ancillaries

Quality and Reliability

  • Crank section calculation by 'Finite element method' ensures long working life under continuous load
  • Twin helical integral reduction gear with crankshaft supported by 2 bearings
  • Pressurised oil lubrication system incorporating an oil pump and oil cooler/filter unit
  • Bellows form hermetic seal between the suction chamber and crank section.  The bellow system is gastight
  • Bronze or stainless steel suction chamber
  • Solid ceramic or tungsten carbide plungers
  • Stainless steel pump head free of alternating stress
  • Choice of performance and pumped medium specific seal and pump head assemblies
  • In the Zero Emission design the pumped fluid is hermetically sealed within the pump preventing leakage to atmosphere during operation

Main Dimensions

Stationary unit with electric motor:

Length: 1856 mm

Width: 850mm

Height: 1290 mm

Weight: approx. 1600 kg at 75kW


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