Valve construction

Details Valve construction Valve construction

1975-06-09

1976-08-03

Weakley, Harold W.

Valves and valve actuation

With means to increase head and seat contact pressure

Seat pressed to valve

251174, F16K 2500

Patent

active

039725073

ABSTRACT:
A fluid flow control valve having a seat ring which provides a seal between the body and the movable valve member and which is provided with a sediment guard made of resilient material which prevents accumulation of sediment in the body recess within which the seat ring is accommodated. Preferably the guard is a tube made of resilient material (e.g., synthetic rubber). Also improved seat ring spreader means that can be readily installed as the valve is assembled.

REFERENCES:
patent: 2155259 (1939-04-01), Dickson
patent: 3121553 (1964-02-01), Grove

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