Valve seal

Details Valve seal Valve seal

1988-02-01

1989-07-18

Rosenthal, Arnold

Valves and valve actuation

Reciprocating valve

Diverse material seal at valve interface

251334, F16K 146

Patent

active

048487295

ABSTRACT:
An improved valve seal is provided which utilizes a c-shaped secondary seal. The c-shaped seal is positioned between the valve disc and the valve seat. A retainer locates the c-shaped seal with respect to the disc, retains the seal against the disc and provides a pre-load on the seal as required.

REFERENCES:
patent: 1449876 (1923-03-01), Williams
patent: 2907548 (1959-10-01), Maas et al.
patent: 3828810 (1974-08-01), Evers et al.
patent: 4037819 (1977-07-01), Kindersley
patent: 4272054 (1981-06-01), Zinnai
patent: 4277047 (1981-07-01), Zinnai
patent: 4290614 (1981-09-01), Moll
patent: 4293116 (1981-10-01), Hinrichs
patent: 4296915 (1981-10-01), Baumann
patent: 4477057 (1984-10-01), Friess

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