Valve Interlock for Lever Operated Valves

Valve Interlock Systems

Interlock for Valves

Valve Interlock

QL valve interlocks suit all types of lever operated quarter turn valves, including ball, butterfly, and plug valves.

Available in single key (QLl) or double key (QL2) versions, locking the valve in either the open or closed position, or if the QL2 version is specified, the valve can be locked in both the open and closed position