Specification of Master Lock S3477
Security Seal
Master Lock S3477 Product Specifications Turn Ball Valve Lockout
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 vale handles to protect against accidental opening and fits valves between 1-1/4 in's (32 mm) to 3 in (75 mm) diameter.
The easy-to-use one piece design locks the valve in OFF position.