SL-Alu:
For transfilling and draining of drums and containers.
Version A for high flow rate,
Version R for high pressure.

Recommendation:
The multi-purpose combination; SL-Alu-R with the powerful motor P400-A.

SL-Alu-S:
The feed screw (S) is dedicated for liquids of medium viscosity (η > 200 mPas), if the impeller types A and R reach their limitations.
With induction motor ideal combination for gentle dealing with the liquid.

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