PMPSS Pressure Motive Pump

Brand: Watson McDaniel

The PMPSS model Stainless Steel non-electric pressure motive pump can be used in harsh and corrosive environments or as a substitute for fabricated carbon steel tanks for increased longevity.

This stand-alone pump is capable of operating with a maximum motive pressure of psig: 150 (kPa: 1,034, bar: 10.34) provided by steam, air or other gas supply. These pumps receive the ASME “UM” code stamp.
  • Equipped with our Patented "Snap-Assure" Mechanism which extends the useful life of the pump
  • Mechanism incorporates heat-treated stainless steel wear items
  • All stainless steel internals for ultimate corrosion resistance
  • Dual compression springs made from Inconel®-X-750 for high-temperature corrosive service
  • Operates using steam, air, nitrogen or other pressurized gases as the motive force
  • Non-Electric - can be used in remote locations or NEMA 4, 7, 9 and hazardous areas


Enclosure, Body Material

  • 304L Stainless Steel

Environmental Protection

  • IP66
  • NEMA 4
  • NEMA 7
  • NEMA 9

NPT Connection

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

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