SEG, EF, DP Pumps

End-of-Life Information
Grundfos SEG, DP and EF small 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
    The pumps contain oil, type Shell Ondina 919. This oil must be disposed according
    to local legislation via a public or private waste collection service.
    The volume of oil varies from 0.17 to 0.42 liters depending on pump 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 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
  • Steel
  • Copper/Bronze/Brass
  • Aluminum
  • Polymers/Composite materials.

The materials can be recycled to a large extent – 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.

Pos. no.MaterialSpecial disassembly considerations
1Stainless steel 
2Cast iron 
3Regular iron/stainless
4CopperThe rubber outside the copper wires in the
cable must be removed from the copper
and disposed in an environmental sound
The stator is heat-shrink fitted into the
stator housing
5NBR rubber 
6Oil - Shell Ondina 919 
Additional materials:
Screws, nameplate, bearings, washers, etc. are made of stainless steel
1a SEG exploded drawing
1a SEG exploded drawing