Handwheel Valve Interlock / Integral
Interlock, Control Valve, Pig Launchers
Alcatraz integral multi turn valve locks fits on all type of handwheel operated valves such as gate valves, globe valves, and all gear operated valves. They are mounted on multi turn valves to interlock the locked open and/or locked closed position of the valve. Only if both keys are inserted in the lock portions the valve can be operated. The first key can only be released in the fully open position the other key can only be released in the fully closed position.
Their applications includes changeover of pressure relief valves, loading and unloading of pig traps, sampling devices etc. Easy key release thanks to the automobile steering-wheel locking principle.
Ball Valve Lockout
, Butterfly Valve Lockout
, Control Valve
, Pig Launchers
, Trapped Key Interlocks
, Valve Lockouts