Vacuum valve for a sewage collection system

Details Vacuum valve for a sewage collection system Vacuum valve for a sewage collection system

1992-12-07

1994-01-25

Schwadron, Martin P.

Valves and valve actuation

Fluid actuated or retarded

Flexible wall expansible chamber reciprocating valve actuator

137205, F16K 31126

Patent

active

052808726

ABSTRACT:
A vacuum valve comprises inlet and outlet pipes connected together to form a pipe line through which sewage flows, a valve element inclined to the pipe line and providing a selective communication between the inlet and outlet pipes, and a flexible or movable partition mounted within the valve to define a pressure chamber and connected to the valve element. The valve element is moved in an inclined manner in response to pressure differential between the pressure chamber and the interior of the outlet pipe. The outlet pipe has an axis displaced in a direction parallel to the axis of the inlet pipe and away from the valve element.

REFERENCES:
patent: 2533720 (1950-12-01), Danel
patent: 4171853 (1979-10-01), Cleaver et al.
patent: 4515344 (1985-05-01), Gemignani
patent: 4765586 (1988-08-01), Yoshida
patent: 5078174 (1992-01-01), Grooms et al.
patent: 5082238 (1992-01-01), Grooms et al.

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