2.Installation for Gear Operator With Tamper Switch Butterfly valves are provided with internal supervisory position switches.The tamper switch operates by a cam connected to the valve stem.The switch will change position and close within two(2) full turn of the hand wheel...
fire sprinkler system. The gate valve features a Class 125 flange, flat face end connection for easy installation and accessibility. Outside screw and yoke gate valves are recommended when positive shutoff and a quick visual indicator of open/closed position is required. This valve features a ...