For fluids of medium viscosity...
SL-Niro-S:
The feed screw (S) is dedicated for liquids of medium viscosity (ç > 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.