These pumps have cast iron body, cooling jacket and vortex impeller.
It is designed for use in the drainage of few dirty water.
It is suitable for long term operation due to the cooling jacket.
The pump body can cool itself without being completely in water.
Having a suction filter provides an advantage against clogging risks.
It has a long life and provides quiet operation due to its oil cooled engine design.
These pumps are manufactured at frequencies of 50 Hz and 60 Hz.