Gate Valve comprises of taper wedge, situated in between two-body seat rings, having included angle of 8 to 10 range. Guide ribs provided in the body, for smooth vertical movement secures wedge. Spindle is engaged to the wedge, ‘T’ head self aligned joint. Spindle is engaged in the yoke sleeve by suitable threading. Rotation of hand wheel in clockwise direction causes the yoke sleeve to rotate and spindle moves in the downward direction along with the wedge to close the valve.

Gate valves are used for on-off service where full flow with minimum pressure drop is desired in full open condition. Gate valves are not recommended for throttling service. These valves are to be used either fully closed or fully open position.