Self unloading check valve

Details Self unloading check valve Self unloading check valve

1976-01-13

1976-12-28

Weakley, Harold W.

Fluid handling

Self-proportioning or correlating systems

Self-controlled branched flow systems

137468, 236102, 417299, G05D 1100

Patent

active

039995682

ABSTRACT:
A check valve having a piston with a greater coefficient of thermal expansion than the body which closes a bleeder port at running temperatures and opens the bleeder port when flow stops or when the valve cools. A body of brass and a piston of filled TFE is a preferred combination.

REFERENCES:
patent: 3358705 (1967-12-01), Krechel

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