Rotating Gate Valve Lockouts Manufactured from tough lightweight dielectric Xenoy thermoplastic these rotational valve covers can withstand extreme conditions, temperature range -46℃. to 177℃. • Outward/Inward rotation allows for easier installation & storage • Surrounds the valve handwheel to protect against accidental operation • 5 sizes available, each size nests within the next larger size for easy storage • Supplied with "Do Not Operate" warning message Contact us if you need more details on Valve Lockouts. We are ready to answer your questions on packaging, logistics, certification or any Other aspects about Valve Lockouts、Valve Lockouts. If these products fail to match your need, please contact us and we would like to provide relevant information.