Ball valve with lockable security device

Details Ball valve with lockable security device Ball valve with lockable security device

F - Mech Eng,Light,Heat,Weapons

16

K

F16K 35/00 (2006.01) F16K 5/06 (2006.01) F16K 35/06 (2006.01)

Patent

CA 2077743

A ball valve comprising a body including a valve chamber having inlet and outlet ports, and a rotatable ball element disposed within the valve chamber, the ball element having a conduit therethrough which communicates with the inlet and outlet ports. The ball element is movable by a control lever between an open position and a closed position. The valve is provided with a lockable security device which automatically locks the ball element in a positive closed position when the control lever moves the ball element from an open position to a closed position. The lockable security device includes a rotatable cylinder, a locking cylinder slidably mounted on the rotatable cylinder, a supplemental locking member to selectively allow manual locking of the locking cylinder in a position to prevent sliding movement of the locking cylinder on the rotatable cylinder.

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