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NEXA hydraulic double diaphragm head pump is the ideal solution for applications requiring high levels of operational safety and reliability. Zero leakage and watertight construction make it suitable for dosing toxic, corrosive and other hazardous liquids. The PTFE double diaphragm, compatible with a variety of liquids, means protection and guarantee of operational effectiveness and continuity. All NEXA series pumps are designed according to API 675 Standards.


Double Diaphragm pumps with fully engaged mechanisms for heavy duty applications.

  • Liquid end SS 316 L
  • Flow-rate adjustment manual, electrical 4-20 mA, Pneumatic 3-15 psig and/or SMART (protocol HART) servomotor and/or by frequency converter drivers
  • Pressure up to 350 bar
  • Flow rate up to 50.3 l/h
  • Vertical or horizontal motor position
  • Multiple head execution with different mechanism size and gear ratio.
  • API 675 Standards
  • CE and ATEX marking