Interpump W31 Unloader Valve

Interpump W31 Unloader Valve allows the gun and hose to remain fully pressurized while the pump loads to near zero psi. Excellent for use on single or multiple gun systems.

Interpump W31 Unloader Valve Features:

  • 3600 psi Max.Pressure
  • 2.90 - 4.0 gpm Max.Flow
  • 200°F Max. Temperature
  • 1/2" BSP-F Inlet
  • 3/8" BSP-M Outlet
  • 1/4" hose barb
  • chemical injector/bypass
  • Suggested unloader for 44, 47, 49, 50, 51, 60 and 63 series IP pumps
  • Alternative to W21 & W21L Unloader valve
  • Interpump W31 Unloader User manual

    Size: 1 MB
    Download
  • Interpump W31 Unloader parts Breakdown

    Size: 688 KB
    Download
  1. For your convenience you can send a message directly to a contact using the form below:
  2. (required)
  3. (required)
  4. (required)
  5. (required)
  6. (valid email required)
  7. CAPTCHA