Immersion Pumps STH

Extension of the series by sizes 21 and 28
– available from March 2022 –


The immersion pumps of the STH series use closed impellers in order to minimize power consumption and to optimize hydraulic pump efficiencies. The STH series offers high pressures at short immersion depths. The fine performance curve enables precise working point design.

Data sheet STH21 50 Hz
Data sheet STH21 60 Hz

Data sheet STH28 50 Hz
Data sheet STH28 60 Hz