ALPHA

End-of-Life Information
Grundfos ALPHA pumps, which are produced after 2007, 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
    There is no risk for people during the disassembly process posed by the materials used in the product.
  • Safety related to handling the product
    Care should be taken when handling the pump due to the weight.
  • Caution: Persons with pacemakers who disassemble this product shall exercise care when handling magnetic materials embedded in the rotor.

Disassembly of the Product
The main materials of the components are:

  • Copper
  • Cast Iron
  • Aluminium
  • Electronic scrap
  • Composite materials

and can therefore 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

DesignationNameMaterialSpecial Disassembly Consideration
1NameplateComposite, PA 66 
 Controller completeComposite, PC 
 Control electronicsPCB with SMD components 
 Stator housingAluminum, Silumin 
 StatorCopper wire 
 Stator laminationComposite laminated Iron 
9Rotor canStainless steelThe stator is heat-shrink fitted into the stator housing.
 Radial bearingCeramics 
11ShaftCeramics 
 Rotor claddingStainless steel 
 RotorSintered NdFeB (Model B) / Ferrit (Model A) 
12Thrust bearingCarbon 
 Thrust bearing retainerEPDM rubber 
13Bearing plateStainless steelThe front-bearing is shrink fitted into the rotorcan.
 Radial bearingCeramics 
16ImpellerComposite, PESThe impeller is shrink fitted onto the shaft.
18Pump housingCast iron or Stainless steel 
Additional materials:  Screws and gaskets etc.: Various materials less than 5% of weight.
ALPHA, Model B




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