Model No. S3477
Wedge-style ball valve lockout, 31mm to 76mm diameter valves
Wedge-style ball valve lockout, 31mm to 76mm diameter valves
The Master Lock No. S3477 1/4 Turn Ball Valve Lockout features a compact size that can easily be stored or carried and a heat resistant powder coated metal body. Device fits manual, quarter turn ball valve handles to protect against accidental opening and fits valves between 31mm to 76mm diameter. The easy-to-use one piece design locks valve in OFF position.