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HM Unloader
HM Unloader
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The Interpump HM Unloader Valve Specification:

  • 3000 psi Max. Pressure
  • 1.3 to 10.8 gpm Max. Flow
  • 195° F Max. Temperature
  • 3/8" BSP-F Inlet
  • 3/8" BSP-M & 1/4" BSP-F Outlet
  • 3/8" BSP-F Bypass (x2)
Per GENERAL PUMP, BSP threads can be used as NPT

Ideal for use in systems which incorporate a gasoline engine; eliminates back pressure in system when pulling a manual start engine. Features brass and stainless steel construction, and a plastic adjustable pressure control knob
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© Portable Power Equipment
Vancouver , WA, USA