Electric centrifugal-vortex self-priming pump CVS 4/40

Purpose
Electric pumps CVS are used for pumping sea (salty), fresh and drinking water with temperature up to 70?C. The pumps allow pumping water with impurity of oil products and mechanical impurities not more than 1 mm in size. The electric pumps are self-priming, which allows them to be installed at a height of 7 m above the liquid surface.
General information
Electric pumps CVS provide trouble-free operation in various conditions, including on ships at prolonged rolls up to 15° and trims up to 5°, stern rocking up to ±22,5° with periods of 7-9 seconds, keel rocking up to 10° from the vertical, as well as at joint action of stern and keel rocking; in self-suction mode not more than 15 min. The pump does not create radio interference during operation.
Materials of main parts
Casing, spigot - bronze BRO3Ts7S5N1
Working inserts - steel 12?18?9??,
Inserts - bronze AZhNMts 9-4-4-1
Vortex wheel, centrifugal wheel - polypropylene
Rings - rubber B-14
Face seals - Graphite silicised SGT and bronze AZhNMz....