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Hammelmann high pressure pumps are built to operate at the continuous maximum duty stated in the performance parameters. Operating pressure and flow rate determine the power and pump selection. We can offer a large number of combinations to meet specific requirements.

Bare shaft pump HDP MC

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Performance parameters

  • Power rating up to 1500 hp
  • Operating pressure up to 43,500 psi
  • Flow rate up to 788.6 gpm

  • Rod force: 47,210 lbf
  • Stroke: 3.94 inch
  • Mean piston speed at n2:
    320 r.p.m. = 3.5 feet/sec
    385 r.p.m. = 4.2 feet/sec
    460 r.p.m. = 5.1 feet/sec

  • Dimensions : 69.4 inch (length) x 34.4 inch (width)  x 66.9 inch (height)
  • Weight: 11,821 lbs

Hammelmann Kolbenpumpen setzen 93 bis 98 % der Wellenleistung in hydraulische Energie um.



  • Vertical 7 cylinder design
  • Wide variety of complementary ancillaries

Quality and reliability

  • Stainless steel pump head free of alternating stress
  • Cross head piston bellows seal
  • Choice of 'application specific' seal assemblies
  • Solid ceramic or tungsten carbide plungers
  • Choice of bronze or stainless steel suction chamber
  • Crank section calculation by ‘Finite element method’ ensures long working life under continuous load
  • Twin helical integral reduction gear with crankshaft supported by 4 bearings
  • Pressurised oil lubrication system with oil cooler/filter