Gate Valves are Outside Screw, Rising Stem, Bolted Bonnet Construction, threads are away from the line fluid and easy to lubricate. We make Gate Valve body ports are streamlined, permitting unobstructed flow, reduces turbulence, results in lower pressure drop and lower erosion. J.D Gate Valves bonnet castings are of one piece design, where the yoke is integral with bonnet up to 6 Size. The body bonnet joint for all class of Gate Valve is in Circular Round Shape. In Gate Valve from 150# Rating body & bonnet joint have male-female type joint with a gasket.