High pressure bonnetless valve

Details High pressure bonnetless valve High pressure bonnetless valve

1981-04-13

1982-11-02

Walton, George L.

Fluid handling

Processes

Cleaning, repairing, or assembling

137315, 251214, 251267, 251330, 277108, 277113, F16K 4300, F16K 4102

Patent

active

043568327

ABSTRACT:
A method of removing from a valve, a backseat and packing means, without the necessity of first removing the packing means from the body of the valve so as to provide access for removal of the backseat, comprising the steps of: (a) providing a member and with the same cooperatively engaging the backseat for purpose of removing the same from the valve; (b) manipulating the member so as to release the backseat from its secured position within the body of the valve; and (c) further manipulating the member to withdraw the backseat and the packing means from the valve body. There is provided an apparatus for carrying out the aforementioned method.

REFERENCES:
patent: 1995395 (1935-03-01), Mohr
patent: 2694547 (1954-11-01), MacGregor
patent: 2780233 (1957-02-01), Volpin
patent: 3257095 (1966-06-01), Siver
patent: 3851853 (1974-12-01), Teeters

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