WEMCO® Torque-Flow® Pump

The standard of toughness and durability against which all other abrasive grit and sludge pumps are measured. Easily moves pipe size solids without clogging. Abrasion resistant construction - a robust solids handling pump.

Capacity up to 1022 m3/hr.

Pressure head up to 70.1 m


  • Industry's Toughest Grit-Handling Vortex Pump.
  • Durability and performance unmatched by any other grit-handling vortex slurry pump.
  • Abrasion-resistant alloy extends pump wear life.
  • Generous wear allowances.
  • Hydraulic design of cupped impeller minimises wear.
  • Extra-thick wet-end parts.
  • Oversize shafts, and 100,000-hour bearings.


The WEMCO® Screw-Flow pump is equipped with a classic single vane screw centrifugal impeller.

Capacity up to 31,400 m3/hr.

Pressure head up to 91m

The WEMCO® Hydrogritter®

Cyclone and Classifier Dewatering Separator system removes and dewaters grit from primary sludge or influent. Protects other equipment from damage. Delivers clean, dewatered product for safe transport and disposal.

Flow capacity form 50 to 357 m3/hr.

Pressure head form 5 to 20 psi.


  • The proven grit removal & dewatering system.
  • Protect downstream equipment from grit damage.
  • Proven ability to remove fine (+150 mesh) grit.
  • All components are mining-proven for maximum reliability to provide the most cost-effective trouble-free system available.
  • Cyclone clusters for higher flows


Created by the same engineers and manufactured side-by-side with the dependable WEMCO pumps, the WSP™ Chop-Flow pump is just as rugged and dependable.

The WSP™ Model CF Chop-Flow pump chops as it pumps, keeping oversized solids and stringy material from clogging your downstream process.

Capacity up to 2044 cu.m/hr.

Pressure Head up to 34 m.


The WSP™ Non-Clog is a heavy duty pump perfectly designed to maintain high hydraulic efficiencies with the ability to handle large solids.

The WSP™ Non-Clog pumps were designed and developed using advanced technology to meet demanding market requirements. The Non-Clog design is an improved, modern design over conventional non-clog pumps in the market place which maintains high hydraulic efficiencies with the ability to handle large solids. It benefits from the latest 3D computer aided design technology improving overall pump efficiencies and reducing maintenance and operating costs. The WSP™ Non-Clog is available in four sizes ranging from 4 inch/100mm to 12 inch/300mm with the true ability to pass a 3 inch/75mm solid.

Capacity up to 2498 m3/hr.

Pressure head up to 76 m.


The WEMCO® Prerotation is an automatic wet well cleaning and flow matching system.

The WEMCO® Prerotation System is designed to use the WEMCO® pump and Prerotation basin together to remove floating and settled solids from the wet well during every pumping cycle, without supervision, maintenance, or complex controls.

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.

Capacity up to 727 m3/hr

Pressure head up to 76 m.