Stem extension for quarter-turn valves

Details Stem extension for quarter-turn valves Stem extension for quarter-turn valves

F - Mech Eng,Light,Heat,Weapons

16

K

F16K 5/06 (2006.01) F16K 35/06 (2006.01)

Patent

CA 2155816

A rotatable control device or valve including a body housing a control mechanism and a rotatably mounted control shaft connected to the control mechanism. Stops are spaced circumferentially relative to the control shaft. A stop arm is operably connected to the control shaft and engages the stops to limit rotational movement of the control mechanism between first and second positions. An elongated extension is drivingly connected to the stop arm, and an elongated operating handle is connected to the extension with the orientation of the longitudinal axis of the operating handle corresponding in a predetermined relationship to the position of the control member. A registration mechanism permits the extension to be drivingly connected to the stop arm only when the orientation of the longitudinal axis of the operating handle corresponds in the predetermined relationship to the position of the control means.

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