HM  Duplex Piston Diaphragm Pumps

Reliable under high pressures and flow rates

The ABEL HM Piston Diaphragm Pump range has been specifically developed for operations with increased flow rates combined with high operating pressures. Over the last 20 years, the HM line of pumps has been continuously improved to exceed the demands of municipal and industrial applications worldwide.

ABEL HM Piston Diaphragm Pumps are available as single or double-acting models as well as assuring an increased performance, reliable functionality and especially low operating and maintenance costs. The ABEL HM Pumps are equipped with pre-formed diaphragms that do not stretch or deform during operation resulting in superior diaphragm life expectancy. The ABEL HM design is superior when working with very difficult media.

This pump model has become the first-choice product for critical process operations, such as spray dryer feeding or transport of highly abrasive slurries containing heterogeneous grain sizes. When utilized as a filter press feed pump with a pressure sensor control, this piston diaphragm pump model is very energy efficient, has a long service life and a high operational capacity.

Technical Specifications

  • Max. Flow: 90 m³/h (400 GPM)
  • Max. Pressure: 10 MPa (1450 psi)
  • ATEX design available


  • Nodular cast iron
  • Stainless steel
  • Rubber lined
  • Polypropylene


  • Mine Dewatering
  • Thickener Underflow
  • Sludge/Fluid Transfer
  • Autoclave Feed
  • Filter Press Feed
  • Gland Seal Water
  • Spray Dryer Feed
  • Rotary Kiln Feed

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