www.ishn.com/articles/83187-ball-valve-lockout
Ball Valve Lockout
July 1, 2003
Prinzing's new Ball Valve Lockout Device (BS08A) locks out larger valves. Two halves encompass the ball valve handle to secure it from inadvertent activation. The ultra-tough polypropylene device fits most major ball valve brands from 2-8 inches in size. Available in various colors. Prinzing Enterprises, Inc., Warrenville, IL.