Sanitary - Multistage

End-of-Life Information

Grundfos/Hilge multi stage sanitary pumps of the following pump ranges:

  • durietta 0 / durietta I
  • Contra

must be disposed of 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

  • Be aware of residues of liquids / medium in the pump, remaining oil or grease for bearing lubrication of motor or bearing carrier.

Safety related to handling the product

  • Be aware of the weight of dismantled parts (e.g. housing, impeller, shaft etc.).
  • Be aware of sharp edges or worn out parts.
  • Pump parts can be corroded what will result in an extended expenditure of energy for dismantling.

Disassembly of the Product

The main materials of the pumps are:

  • Stainless steel
  • Cast iron
  • Steel
  • Aluminium


and can therefore be recycled to a very large extend – depending on the national possibilities for recycling.

The pumps are assembled by using screws and bolts and can be disassembled with standard tools. There are no loose parts inside the pumps.

DesignationName  MaterialSpecial Disassembly Consideration
ASuction coverStainless steel 
BImpellerStainless steel 
CGuide vane casingStainless steel 
DDischarge casingStainless steel 
EBearing bracketCast iron or cast stainless steel 
FIntermidiate lanternAluminium 
GShaftStainless steel 
HBearingCarbon steel 
JBearing coverStainless steel or carbon steel 
KFootStainless steel or cast iron 
MShroud (optional - not shown)Stainless steel 
Additional materials:  Screws, O-rings, seals etc.: Various materials less than 10% of weight
6d. Sanitary Multistage
6d. Sanitary Multistage2