100% Factory tested under Water / Air / Vaccum before the valve is packed and shipped.360° Disc Rotation.
OperationWrench, Manual Gear and Pneumatic.
FEATURES :Bi Directional zero leakage Butterfly Valve.
An Extremely negligible backlash between Stem & disc due to square drive.Butterfly Valves (Lined) are designed to fit without gaskets between flanges drilled to ANSI 125 #,