Valve device for automatic circulation in waste water pump...

Details Valve device for automatic circulation in waste water pump... Valve device for automatic circulation in waste water pump...

F - Mech Eng,Light,Heat,Weapons

04

D

F04D 29/00 (2006.01) B01F 5/02 (2006.01) B01F 7/00 (2006.01) B01F 15/02 (2006.01) E03F 5/22 (2006.01) F04B 53/10 (2006.01) F04D 29/70 (2006.01)

Patent

CA 2049419

The pressure side of a submersible pump unit is provided with a valve device which during certain periods of operation opens a connection between the submersible pump and the pump station to obtain the necessary circulation of the waste water in the station. The opening and closing of the salve device is effected by a ball which is controlled by the submersible pump pressure.

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