Valve construction

Details Valve construction Valve construction

1976-03-19

1977-12-13

Weakley, Harold W.

Valves and valve actuation

With means to increase head and seat contact pressure

Seat pressed to valve

251327, 251328, F16K 506

Patent

active

040625168

ABSTRACT:
A fluid control valve of the short gate type having means for maintaining a minimum spacing between the seat rings when the gate is moved to open position. The means makes use of two spreader members that can be readily installed as the valve is assembled.

REFERENCES:
patent: 769831 (1904-09-01), Ogden
patent: 2718372 (1955-09-01), Broz
patent: 3807688 (1974-04-01), Karr

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