Gate valve structure

Details Gate valve structure Gate valve structure

1993-01-05

1995-11-28

Fox, John C.

Valves and valve actuation

Reciprocating valve

Gate

251267, F16K 3314

Patent

active

054700469

ABSTRACT:
A resilient seat gate valve is provided with a housing having an opening for receiving the operating stem for the valve and a cover with a seal for the cover to the housing opening comprising a step peripheral surface and an angled surface located interiorly of the valve housing opening; the cover is provided with a locking mechanism for drawing the opening peripheral surface against the angled surface of the housing lip to compress the seal carried by the peripheral surface of the cover and to effect the attachment of the cover in place without bolts or screws; the valve disc is provided with side edges covered by an elastomer and protected with a fully enclosing, replaceable cap to prolong the life of the valve disc by protecting the elastomer coating from abrasion; a dumbbell dirt and fluid pressure seal O-ring arrangement is provided between the cover and lip of the housing to facilitate insertion and positioning of the seal during installation of the cover.

REFERENCES:
patent: 3170226 (1965-02-01), Larry
patent: 3633873 (1972-01-01), Leopold, Jr. et al.
patent: 3662778 (1972-05-01), Leopold, Jr. et al.
patent: 3763880 (1973-10-01), Leopold, Jr. et al.
patent: 3774647 (1973-11-01), Saha et al.
patent: 3809363 (1974-05-01), Rhodes
patent: 3957245 (1976-05-01), Daghe
patent: 3963214 (1976-06-01), Hackman et al.
patent: 4138091 (1979-02-01), McGee
patent: 4162058 (1979-07-01), Ellis
patent: 4223868 (1980-09-01), Humes et al.
patent: 4303223 (1981-12-01), Whisenhunt et al.
patent: 4431163 (1984-02-01), Barbe
patent: 4607821 (1986-08-01), David
patent: 4699359 (1987-10-01), David
patent: 4964613 (1990-10-01), Logman
patent: 4968002 (1990-11-01), Gibson et al.

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