Valve seat retainer

Details Valve seat retainer Valve seat retainer

1987-07-08

1989-03-21

Chambers, A. Michael

Valves and valve actuation

Valve

Seats

251306, 251316, F16K 122

Patent

active

048136506

ABSTRACT:
A valve body with a tapered annular recess for receiving a correspondingly tapered valve seat retainer forms a valve assembly wherein the retainer may be easily removed for maintenance purposes by field service personnel without special tools. The retainer has a radially extending protruberance on an outer circumferential leg, which leg is inwardly radially flexible as the retainer is axially moved into the annular recess of the valve body. When fully inserted, the protruberance is positioned within an annular cavity spaced from the face of the valve body.

REFERENCES:
patent: 4560142 (1985-12-01), Birton
patent: 4575046 (1986-03-01), Krause et al.
patent: 4575048 (1986-03-01), Bregman

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