Pressure sewer pumping system with check valve arrangement

Details Pressure sewer pumping system with check valve arrangement Pressure sewer pumping system with check valve arrangement

1989-03-15

1990-08-14

Smith, Leonard E.

Pumps

Expansible chamber type

Having pumping chamber pressure responsive distributor

277177, F04B 2102

Patent

active

049483510

ABSTRACT:
A sewage pumping system for use in residential sewer systems. The pumping system includes a sump, a intake conduit, a discharge conduit, and a pump for pumping sewage from the sump through the intake into discharge conduits. The pump is a piston type pump with rolling resilient O-rings received between the piston and cylinder. Four check valves are provided, two of which are located in the intake conduit and two of which are located in the discharge conduit. The check valves in the intake conduit are spaced apart approximately 1 to 4 feet and the check valves and the intake conduit are also spaced apart approximately 1 to 4 feet. The check valves insure that the flow through the conduits is unidirectional and the spacing of the check valves insures that they will not be both wedged in the open position by passage of debris therethrough.

REFERENCES:
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Design Manual for Pressure Sewer Systems.

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