Gas valve seat

Details Gas valve seat Gas valve seat

1998-07-21

2000-05-16

Fox, John

Valves and valve actuation

With means to increase head and seat contact pressure

Seat pressed to valve

25131514, F16K 520

Patent

active

060625384

ABSTRACT:
A gas valve seat is provided with a control chamber in which a control device is disposed. The control device includes a valve body, a fitting ring, an elastic element, and a rotary plug. The valve body is urged by the elastic element to locate securely between the fitting ring and the rotary plug such that the wear of the valve body is effectively minimized.

REFERENCES:
patent: 1331025 (1920-02-01), Riggin
patent: 2973182 (1961-02-01), Gill
patent: 3469818 (1969-09-01), Cowan
patent: 5562116 (1996-10-01), Henwood

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