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DIWA submersible sewage pumps

The DIWA series consists of compact, medium-cooled submersible waste water pumps designed for pumping light to heavily contaminated water in private, commercial and public applications. Available in three models with channel or vortex impellers, they offer a reliable solution for dewatering and transfer tasks.

  • Delivery rate (max)

    25 m³/h

  • Delivery height (max)

    21 m

  • Power (min/max)

    0.55 / 1.5 kW

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Individually adapted to the medium, application and quantity. We advise you on the optimum design.

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Downloads

Data sheet (incl. characteristic curves)

Execution

  • Pump type: Electric submersible drainage pump
  • Material: Stainless steel 1.4301 (AISI 304)
  • Impeller type: Open impeller
  • Engine cooling: Medium-cooled

Sealing system:

  • DRIVELUB SEAL SYSTEM with:
    - V-ring
    - Mechanical seal made of silicon carbide
    - Lip seal
    - Integrated oil chamber
  • Switch variant: Model DIWA GT with permanently mounted, vertical float switch
  • Cable: 10 m Neoprene® cable

Applications

  • Emptying of:
    - Rainwater and leachate collection basins
    - Cellars, garages, technical rooms
    - Industrial and storage tanks
    - Household wastewater (washing machine, sink, shower)
  • Water delivery for:
    - Garden and lawn irrigation
    - Construction site drainage
    - Well supply

Operating conditions

  • Medium temperature: up to 50 °C
  • Max. immersion depth: 7 m
  • Max. solids passage: up to 8 mm Ø
  • Minimum water level: 25 mm

DRIVELUB SEAL sealing system

The electric motor is protected by a multiple sealing system with integrated oil chamber.
The V-ring, the silicon carbide mechanical seal (extremely resistant to abrasion and wear) and the lip seal guarantee safe and durable pump operation.

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Further products

DOCDOMO, DOMO GT