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  • Ball Valve Lockouts

    The Master Lock No. 468L Seal Tight™ Handle-Off Ball Valve Lockout Device features a universal fit to effectively lock out all valves from 3/8in (10mm) to 4in (102mm). The patented innovative design eliminates the risk of valve reactivation with removal of the handle and works in virtually all valve installations, including insulated pipes.

  • Rotating Gate Valve Lockouts

    Outward/Inward Rotation Allows for Easier Installation & Storage. Surrounds the valve operating handle to protect against accidental valve opening. Each size rotates into itself to fit effectively into safety took boxes. Each size nests within the next larger size to save space in storage. Up to 4 workers can apply their personal safety locks.

  • Adjustable Butterfly Valve Lockout Device

    Product Details: MLS3921-Butterfly Valve Lockout kit, Device w/ 3-foot Cable Lockout. MLS3920-Butterfly Valve Lockout, Device Only. Fits vitually all Butterfly Valves. Constructed from tough, lightweight thermoplastic; withstands temp and extreme environments.

  • Rotating Gate Valve Lockouts

    Outward/Inward Rotation Allows for Easier Installation & Storage. Surrounds the valve operating handle to protect against accidental valve opening. Each size rotates into itself to fit effectively into safety took boxes. Each size nests within the next larger size to save space in storage. Up to 4 workers can apply their personal safety locks.

  • Adjustable Butterfly Valve Lockout Device

    Product Details: MLS3921-Butterfly Valve Lockout kit, Device w/ 3-foot Cable Lockout. MLS3920-Butterfly Valve Lockout, Device Only. Fits vitually all Butterfly Valves. Constructed from tough, lightweight thermoplastic; withstands temp and extreme environments.