Sewer relief valve

Details Sewer relief valve Sewer relief valve

1986-10-09

1989-02-21

Walton, George L.

Fluid handling

Liquid level responsive or maintaining systems

By float controlled valve

4211, 137315, 137357, 137445, 137448, 137559, 137584, 220254, 220326, 220366, 251 89, 251147, 251299, F16K 3118, F16K 3300

Patent

active

RE0328707

ABSTRACT:
An improved sewer relief valve which is vandal-proof and automatically opens responsive to a back flow of sewage and drain water within a plumbing system.

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