Gate Valve Free Sample VP鈥檚 Wedge gate valve can only be fully opened and closed, and cannot be adjusted and throttled. The gate has two sealing surfaces, and the two sealing surfaces of the wedge gate valve usually form a wedge. The wedge angle varies according to the valve parameters, usually 5 degrees Specification 1. Size:2鈥潂48鈥?DN 50~DN 1200) 2. Pressure:Class 150~Class 2500 3. End...