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LEESON Three Phase Washguard Stainless JM Pump Motors

LEESON Three Phase Stainless JM Pump Motor for washdown applications requiring a standard JM pump shaft. Ideal for use in clean room and severe chemical-processing applications involving frequent washdown with nitric acid and caustic lye.


  • NEMA Premium efficiency rating with a three year warranty
  • All exterior components are 300-series stainless steel.
  • Heavy duty 12G stamped base
  • Nothing on the motor's exterior is painted or coated in any way.
  • Interior coatings applied to rotor and stator protect against corrosion.
  • All sealing components are Viton® for superior chemical resistance.
  • Buna-N gaskets and Viton shaft seals (both ends for TEFC motors)
  • IRIS Inverter rated insulation system
  • Full fact nameplate is laser etched on the motor frame - no separately attached nameplate to trap dirt or contaminants.
  • Double-sealed bearings are pre-lubricated with moisture-resistant high-temperature grease for long life.
  • Four condensate drains in each endshield
  • Moisture resisitant sealant between frame and endshields excludes water
  • Split conduit box design with rubber gasket for better sealing

Standards and Approvals:

  • Single and three phase motors are UL component recognized - file number E57948, guide number PRGY2.
  • CSA Energy Efficiency Verification Program, report number EEV 78720-1.
  • Construction is CSA Certified for safety report LR33543

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