LOGIN / REGISTER
Trade
Secure Payments
Free delivery on a wide range of products

EVAK Trenchman range

The EVAK Trenchman range are heavy-duty submersible contractor drainage pumps built for arduous trench dewatering and site drainage where sediment, silt and grit would settle out and choke a conventional pump. A sintered SMF5030 agitator sits below the impeller and keeps solids in suspension while pumping, so the Trenchman keeps moving water where standard drainage pumps clog. Choose Trenchman over Drainox where the water is silty, sediment settles fast, or the sump is short of clean water to work with.

Trenchman 400 Trenchman 750 Trenchman 1500
Motor 400W (0.5HP) 750W (1HP) 1.5kW (2HP)
Max flow ~220 l/min ~350 l/min ~700 l/min
Max head 12m 15m 20m
Voltage options 110V / 230V 110V / 230V 230V only
Current draw 6A / 3A 11A / 5.4A 12A
Discharge 2" BSPF 2" BSPF (3" opt. on 230V) 2" BSPF (3" opt. on 230V)
Weight 13.5kg 16kg 20kg
Dimensions (A×B×C) 243 × 211 × 352mm 279 × 227 × 377mm 313 × 262 × 446mm
  • Sintered SMF5030 agitator keeps sediment and silt in suspension while pumping
  • Hytrel-coated steel vortex impeller - abrasion resistant for gritty water
  • FC200 cast iron pump casing, ADC12 aluminium motor housing, PVC strainer, Nylon 6 handle, SUS 410 shaft
  • Double mechanical seal in oil bath - upper CA/CE, lower SIC/SIC
  • Oil-free motor, auto-reset thermal protector, 10m H07RN-F cable as standard
  • Auto (with float switch) is standard - manual variants available on request
Sump diameter: Auto variants require a minimum sump diameter of 400mm to allow the float switch to operate correctly.
Trenchman or Drainox? Choose the Trenchman where sediment settles - the agitator is the key feature. Choose the Drainox for a stainless steel jacket, larger 400V manual range and permanent dewatering installations. Both share the rugged EVAK contractor build.
Logo for EVAK
    Logo for EVAK
    EVAK Trenchman range
    EVAK Trenchman 400 110v

    The EVAK Trenchman 400 (110V) is a heavy-duty submersible contractor drainage pump built for arduous trench dewatering and site drainage in silty, gritty water. A…

    View Product
    Logo for EVAK
    EVAK Trenchman range
    EVAK Trenchman 400 230v

    The EVAK Trenchman 400 (230V) is a heavy-duty submersible contractor drainage pump built for arduous trench dewatering and site drainage in silty, gritty water. A…

    View Product
    Logo for EVAK
    EVAK Trenchman range
    EVAK Trenchman 750 110v

    The EVAK Trenchman 750 (110V) is the mid-range agitator-equipped contractor drainage pump in the Trenchman family – delivering meaningfully more flow and head than the…

    View Product
    Logo for EVAK
    EVAK Trenchman range
    EVAK Trenchman 750 230v

    The EVAK Trenchman 750 (230V) is the mid-range agitator-equipped contractor drainage pump in the Trenchman family – delivering meaningfully more flow and head than the…

    View Product
    Logo for EVAK
    EVAK Trenchman range
    EVAK Trenchman 1500 230v

    The EVAK Trenchman 1500 (230V) is the highest-output agitator-equipped contractor drainage pump in the Trenchman family – built for heavy-duty trench dewatering and continuous site…

    View Product

Frequently Asked Questions

Quick answers to common questions about the EVAK Trenchman range. For technical specifications, see the product details above; for sizing or installation advice, contact our team. If you have any other questions, we're happy to help.

What is a submersible pump?

A submersible pump is designed to operate fully submerged in the liquid it is moving. The motor is sealed inside the pump body and cooled by the surrounding water. Submersibles are used for drainage, sewage, septic tanks, deep wells and boreholes, and for raising water from sumps, cellars and floodwater. Many stocked at Anglian Pumping handle solids in suspension.

Can submersible pumps handle solids and sewage?

Yes – some submersibles are designed for clean water only, others handle solids up to 50 mm or full raw sewage. Anglian Pumping stocks ABS, BBC, Flygt and T-T Submersibles ranges that include vortex, single channel and grinder impellers for different solids handling requirements. Always match the pump to the maximum solid size and the type of effluent it will see.

When should I use a submersible pump instead of a surface pump?

Use a submersible when the water level is more than around 8 metres below the pump installation point – surface pumps cannot self-prime beyond that depth. Submersibles are also better when the liquid contains solids, when noise must be minimised, or when the pump needs to operate in confined spaces such as sumps and chambers where a surface pump would not fit.