The "HET" make “SEW” series pumps are designed single shaft design in a single stage, non-clog type, submersible design with dual mechanical seals, open/semi-open/close, vortex, single vane, two vane, and multi-vane impellers and it comes with moisture, temperature sensors. A.C. siquirrel cage induction "F" class motor . These pump excellence performance capacitiy with roboust design.

The "HET" make “SEW” series pumps are designed to handled liquids with solids. This design is typically used for primary and secondary treated sewage. these pumps offer high reliability against clogging and possibility to clean objects stuck inside the pump easily due to its specially design impellers. The pumps can handle liquids with solids starting from 20 to 125 mm in size. The most common applications include return activated sludge (RAS), surplus activated sludge (SAS) & waste activated sludge (WAS) in sewage treatment and include dewatering applications in water treatment, wastewater treatment & industrial effluents. With high efficiency submersible motors, with the option to run on VFD and full featured pump monitoring system, the pumps offer highest flexibility and reliability.