Valve with safety lock-out

Details Valve with safety lock-out Valve with safety lock-out

F - Mech Eng,Light,Heat,Weapons

16

K

F16K 35/06 (2006.01)

Patent

CA 2121558

A valve, such as a ball valve, which is turned 90° between a fully open and a fully closed position. A lock-out plate is secured on the valve stem and has at least one lock-out opening positioned to mate with a lock-out opening in either an indexing plate or the valve body, such that the valve may be securely locked in a fully closed position. An indexing plate may also be used to fit on the valve stem and cooperate with flat surfaces on the valve stem for limiting the turning movement of the valve to fully open and fully closed positions.

La présente invention vise un robinet, notamment un robinet à tournant sphérique, à 90 degrés de rotation entre la position entièrement ouverte et la position entièrement fermée. Une plaque de verrouillage est fixée sur la tige du robinet et est percée d'au moins une lumière de verrouillage correspondant à une lumière de verrouillage pratiquée soit dans une plaque d'indexage ou dans le corps du robinet, de manière à ce que ce dernier puisse être verrouillé en position entièrement ouverte. Une plaque d'indexage peut également être adaptée à la tige du robinet et agir avec les surfaces planes de la tige en vue de limiter la rotation du robinet dans les positions entièrement ouverte et entièrement fermée.

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