Relief valve

Details Relief valve Relief valve

1977-04-15

1978-08-29

Nilson, Robert G.

Fluid handling

Line condition change responsive valves

With separate connected fluid reactor surface

13761418, 251210, F16K 1704

Patent

active

041096754

ABSTRACT:
A relief or other valve with a soft seal for sealing at high pressures. The seal is independently movable and at least partially pressure balanced for protection against seal damage and deformation. A hard seat is provided for engagement by a hard valve wherein a lost motion connection is provided between the seal and hard valve.

REFERENCES:
patent: 3321177 (1967-05-01), Fendel

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