Valve control with indicator

Details Valve control with indicator Valve control with indicator

1977-04-27

1978-10-24

Michalsky, Gerald A.

Fluid handling

With indicator, register, recorder, alarm or inspection means

Position or extent of motion indicator

137552, 137557, 13762566, F16K 1107

Patent

active

041216156

ABSTRACT:
Device for controlling of the opening and closing of a valve, including an automatic lockout requiring a manual reset, and further having an indicator for indicating the position of said valve.

REFERENCES:
patent: 3877484 (1975-04-01), Theriot et al.
patent: 3878862 (1975-04-01), Blanton
patent: 3943974 (1976-03-01), Connelly et al.
patent: 4026326 (1977-05-01), Wells et al.

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