Cuneiform gate valve is divided into Rising stem valve and the non-rising stem gate valve; single wedge gate valves and wedge double plate valve. It has four driving modes, electric, pneumatic, manual, pneumatic. Connection used flange, welded, or wafer type.

Opening and closing member of cuneiform gate valve is a damper, movement Direction of the gate, wedge gate valve can only be fully open and fully closed, not suitable for regulation and throttling. Wedge gate complete valve opening and closing by moving the stem.