Valve override apparatus

Details Valve override apparatus Valve override apparatus

1974-03-21

1976-02-17

Schwadron, Martin P.

Fluid handling

Systems

Multi-way valve unit

13762526, 13762564, 251284, 251130, F16K 132, F15B 1526

Patent

active

039385558

ABSTRACT:
A fluid valve especially adapted for manually controlling pilot valves and other fluid valves. The manual override valve includes an axially slideably movable plunger which is contained and recessed within a fluid passageway in the valve. Slide bar positioning means are included for holding the plunger in a predetermined axial position to control fluid flow through the fluid passageway. The slide bar and plunger are color coded for visual determination of the plunger position. For safety considerations, the override valve requires two-hand operation using a probe smaller than the override valve passageway in which the plunger is mounted.

REFERENCES:
patent: 2591118 (1952-04-01), Bent
patent: 2638108 (1953-05-01), Williams et al.
patent: 2861592 (1958-11-01), Collins
patent: 3043327 (1962-07-01), Wakeman
patent: 3168353 (1965-02-01), Horowitz
patent: 3519312 (1970-07-01), Cruse
patent: 3544065 (1970-12-01), Mercier
patent: 3754571 (1973-08-01), Bell
Valvair Corp., Non Locking Manual Override, Drawing K162-001, 14 Mar. 1960.

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