Device for automatic circulation in a waste water pump station

Details Device for automatic circulation in a waste water pump station Device for automatic circulation in a waste water pump station

E - Fixed Constructions

03

F

137/75

E03F 5/22 (2006.01)

Patent

CA 1315176

A DEVICE FOR AUTOMATIC CIRCULATION IN A WASTE WATER PUMP STATION ABSTRACT A device is provided for obtaining automatic circulation in waste water pump stations. At the pressure side of the pump unit, there is a valve which opens during certain times to form a connection between the pump and the pump station to create a circulation. The valve is opened and closed by means of communicating bellows which are controlled by the pressure difference between two sections in the valve having different areas.

611054

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