End-of-Life Information

Grundfos DPK and DWK wastewater pumps must be disposed according to local regulations
by using a public or private waste collection service. If this is not possible, contact the
nearest Grundfos company or service workshop.

Safety Risk

Safety related to materials used

  • There is no risk for people during the disassembly process posed by the materials used in the product.

Safety related to environment

  • DPK and DWK pumps contain oil of type Castrol hyspin AWS 32.
  • The volume of oil varies from 043 to 1.2 liters depending on product size.

Safety related to handling the product

  • Care should be taken:
    a) To ensure that the pump and the pump parts are washed in the best possible way before disassembly.
    Note: If the pump has been processing/pumping a liquid which is injurious to health or toxic, it may be classified as a contaminated item and handled as such
    b) Due to the weight of the pump.

Disassembly of the Product

The main materials of the components are:

  • Cast Iron/Ductile Grey Cast Iron
  • Steel
  • Copper/Bronze/Brass
  • High-Chrome
  • Composite materials

The materials can be recycled to a large extend – depending on the national possibilities for recycling.
The pump is assembled by using screws and bolts and can be disassembled with standard tools. There are no loose parts inside the motor.

DesignationMaterialSpecial Disassembly
1Stainless steel 
2Cast iron 
3Carbon steel/stainless steel 
4CopperThe rubber outside the copper wires in the cable must be removed from the copper and disposed in an environmentally sound way.
The stator is heat-shrink fitted into the stator housing.
5NBR rubber 
6Ductile iron 
Additional materials:Screws, nameplate, bearings, washers, etc. are made of stainless steel.
8b. Sectional drawing DPK
8b. Sectional drawing DWK