Post indicating valve assembly indicator

Details Post indicating valve assembly indicator Post indicating valve assembly indicator

1982-05-03

1984-05-15

Yasich, Daniel M.

Signals and indicators

Indicators

Valve position

137556, 251214, F16K 3700

Patent

active

044481489

ABSTRACT:
This invention relates to a valve having an improved valve position indicator so as to provide an accurate indication of the valve position from a distance. The improvement comprises the provision of indicators affixed to a member connected directly to the valve closure member so that the indicators may be positioned relative to viewing windows of an extension post of the valve to provide a corresponding open or closed valve position.

REFERENCES:
patent: 1786013 (1930-12-01), Haselton et al.
patent: 2379517 (1945-07-01), Hadden
patent: 3238915 (1966-03-01), Smith et al.
patent: 3452766 (1969-07-01), Fenster
patent: 3804056 (1974-04-01), Lee et al.
patent: 4297966 (1981-11-01), Liberman

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