Valve construction

Details Valve construction Valve construction

1977-06-22

1978-12-26

Weakley, Harold W.

Fluid handling

With indicator, register, recorder, alarm or inspection means

Inspection means

251175, 251203, F16K 3700

Patent

active

041311310

ABSTRACT:
A gate valve construction is provided and comprises, a valve body having an inlet and a discharge orifice, a flexible gate for the discharge orifice, and a mechanism for supporting and moving the gate in front of and away from the orifice with the gate being adapted to be sealed against the orifice by upstream pressure defining a dished configuration in the gate which is concave toward the inlet.

REFERENCES:
patent: 1965826 (1934-07-01), Daniel
patent: 2128542 (1938-08-01), Snow
patent: 2925825 (1960-02-01), Staiger
patent: 2947511 (1960-08-01), McInnes
patent: 3258244 (1966-06-01), Hilton
patent: 3495805 (1970-02-01), Steckle
patent: 3521659 (1970-07-01), Seger
patent: 3527440 (1970-09-01), Presslauer
patent: 3752181 (1973-08-01), Morris

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