Grundfos DMH 251-B Hydraulic Piston Diaphragm Dosing Pump

Product Code: N/A

Grundfos DMH 251-B Hydraulic Piston Diaphragm Dosing Pump 3 Phase with External Motor

The pump of the DMH series is a versatile positive displacement diaphragm dosing pump. The diaphragm is coupled hydraulically via a precise gear-eccenter-tapet-system to a high efficiency AC motor. The dosing capacity is adjusted by varying the stroke length at the stroke adjustment knob in the ratio 1 to 10. The range is highly versatile, it covers a wide flow range and offers a variety of dosing head sizes, materials and accessories. Customers worldwide have enjoyed years of trouble-free operation from their DMH pumps. The Grundfos DMH range is a series of extremely strong, robust pumps for applications requiring reliable dosing capability, such as process engineering.

The liquid end is composed of:

  • Dosing head
  • PTFE diaphragm
  • Ball valves

Other features:

  • Robust industrial pump with aluminium or cast iron enclosure
  • Easy to install and operate design
  • Long life PTFE diaphragm
  • Optimum capacity and stroke frequency graduation
  • Dosing flow variation ±1.5% (FS), linearity ±2% (FS)

Suitable for:

  • Industrial heating
  • Desalination
  • Industrial water supply & transfer
  • Industrial wastewater treatment & reuse
  • Drinking water treatment
  • Wastewater treatment
  • Fertigation & Chemigation

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