
Supervisory Switch Is Designed To Equip On Osety (Outside Screw And Yoke) Gate Valve To Monitor The Open Or Close Status Of The Valve. The Switch Is Mounted Conveniently To Most Osay Valves. And The Cover Is Held By 2 Tamper Resistant Screws Thatrequire A Special Tool To Operate, Also The Tool Is Furnished With Each Device When Delivery.

