Sanitary - Rotary Lobe

End-of-Life Information

Grundfos/Hilge rotary lobe sanitary pumps of the NOVAlobe range 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 and gear box.

Safety related to handling the product

  • Be aware of the weight of dismantled parts (e.g. housing, gearbox, rotors and 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, exept for the rotors. For rotor disassembly use the rotor retainer tool shown in the installation and operation manual.
There are no loose parts inside the pumps.

DesignationName  MaterialSpecial Disassembly Consideration
ACasing coverStainless steel 
BRotorsStainless steel 
CRotor caseStainless steel 
DPump shaftsStainless steel and carbon steel Bearings pressed on pump shafts.
Gears glued on pump shafts
EGear caseCast iron or carbon steel or stainless steel 
FMachine footStainless steel or carbon steel 
GBase frameStainless steel 
M Shroud (optional - not shown)Stainless steel 
Additional materials:Screws, O-rings, seals etc.: Various materials less than 10% of weight
6f. Sanitary Rotary Lobe -NovaLobe
6f. Sanitary Rotary Lobe -NovaLobe2