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GRUN DRUM PUMPS - STAINLESS STEEL
SL-SS - for inflammable and weak aggressive liquids

For transfilling and draining of drums and containers.
The perfect drum pump for the most thin liquids.

Version A for high flow rate
Version R for high pressure with foot valve for complete drainage.

Recommendation inflammable liquids: SL-SS-R with the powerful motor Ex700 for your best safety.


SL-MP-Niro - mixing drum pump

For stirring of emulsions, dispersions, suspensions, etc. before starting the transfilling action. The mixing drum pump is fitted with mixing apertures. By moving a sliding sleeve with a lever, these holes can be opened or closed.

Open - is for mixing inside the drum
Closed - is for pumping out of the drum.

All this can be achieved with one unit.

Recommendation: SL-MP-SS-R with the powerful motor p400-A for best mixing result (motor Ex700 for inflammable liquids).


SL-Niro-S - for fluids of medium viscosity

The feed screw (S) is dedicated for liquids of medium viscosity (∇> 200 mPas), if the impeller types A and R reach their limitations.

With induction motor ideal combination for gentle dealing with the liquid.

pd500-1 0,37 KW 230 V: 500-0042
pd500-3 0,37 KW 400 V: 500-0039
Ex-proof motors on demand.

Recommendation: Induction motor with frequency inverter for variable flow rate.


Stainless Steel Tube Drum Pump key features:
  • Cleaning the pumping unit is greatly facilitated; the risk of fluid carry-over when moving the pump to a different container is minimized.
  • No bearings in the wave channel.
  • Motor power is transferred by proven, robust coupling (1) with curved teeth over the stainless steel coupling element (2) with a large double bearing.
  • Of course, the sealless pump tubes are fully compatible with the sealed models, allowing you to use the pumping units with any motor from grün product range.
  • Depending on the application you can select one of 3 different types of impellers: axial (A), radial (R) and feed screw (S).