Weir WSP Series Pumps - R.F. MacDonald Co.

Weir WSP Series Pump

Weir WSP Self-Primer Series Pump

Weir WSP Pump

Flow Control Self-Primer Pump

The WSP self-primer pump is a rugged and dependable self-priming, solids handling, trash pump. Distinguishable from our competitors, the WSP self-primer pump design allows for a shim-less, tool-less impeller adjustment and ease of suction flap valve replacement.

  • • Capacities up to 3,200 GPM
  • • Heads up to 133 feet
  • • Heads up to 210 feet (High Head model)
  • • Re-Priming lift up to 25 feet



  • The WSP Self-Primer Pump has multiple model-sizes to choose from, as well as a High Head model that can almost double the standard build’s maximum head.

  • The Buzzsaw Wear Plate is a standard feature on the WSP self-primer pumps. With an aggressive saw tooth shaped profile, its shearing of stringy materials as they pass through the pump prevents clogs before they can form. (Buzzsaw Wear Plate is not available in High Head Models)

  • Built with the added benefit of the Fill Port Cover and Clamp Assembly, the recessed bolt-locking construction and anti-rotation design of the Clamp Bar Assembly prevents accidental breach of the Fill Port Cover and protect the operator from scalding burns

  • Ideal for use with municipal/industrial waste water, metal machining, production/manufacturing, dewatering, mining and minerals, wineries, automotive industry, beef/pork/poultry processing, pulp and paper, tanker truck unloading, drilling mud recovery, and food/beverage applications.

  • The high capacity bearings withstand high loads including thrust while still providing long bearing life
    The bearings are mounted in a removable housing and fastened to a rigid base

  • The large diameter expeller seal design prevents slurry leakage and protects against high inlet pressures, reducing maintenance and adjustment frequency
    Additional gland seal options are also available including a remote adjusting patented D-Gland seal, which provides parallel adjustment of the sealing faces


  • Municipal & Industrial Waste Water
  • Metal Machining
  • Production/Manufacturing
  • Dewatering
  • Mining & Material
  • Winery
  • Automotive
  • Beef/Pork/Poultry Processing
  • Pulp & Paper
  • Tanker Truck Unloading
  • Drilling Mud Recovery
  • Food & Beverage


Keywords: Weir pumps, self-priming pumps, solids handling pumps, flow control pumps, industrial pumps, pulp and paper processing, centrifugal pumps

Weir Specialty Pumps