PMPNT Pressure Motive Pump

Brand: Watson McDaniel

The PMPNT(S) non-electric pressure motive pumps are light in weight and have an extremely low-profile.

This stand-alone pump is capable of operating with a maximum motive pressure of psig: 125 (kPa: 861.8, bar: 8.618) provided by steam, air or other gas supply.
  • Equipped with our proven, Patented "Snap-Assure" mechanism which extends the useful life of the pump
  • Internal mechanism can be removed from the top of the pump while pump remains piped in line
  • Mechanism incorporates heat-treated stainless steel wear items for ultimate corrosion resistance
  • Dual compression springs made from Inconel®-X-750 for high-temperature, corrosive service
  • Non-Electric - can be used in remote locations or NEMA 4, 7, 9 and hazardous areas
  • Operates using steam, air, nitrogen or other pressurized gas as the motive force


Enclosure, Body Material

  • Ductile Iron SA-395 - PMPNT
  • Stainless Steel CF3M - PMPNTS

Environmental Protection

  • IP66
  • NEMA 4
  • NEMA 7
  • NEMA 9

Flange Size - 1-1/2” (DN 40)

  • 1-1/2” (DN 40) - 150# - PMPNTS

NPT Connection

  • 1” NPT Female - PMPNT
  • 1-1/2” NPT Female

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