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Flange, also known as flange or flange plate, is the part connecting pipe end and pipe end and valve. Both sides of the flange are connected with the pipe end, and the flange itself has holes. Stainless steel flange is widely used in petroleum, chemical, nuclear power plant, food manufacturing, cons
Wedge gate valve is a kind of gate valve. It is named because its sealing surface forms an angle with the vertical centerline, that is, the two sealing surfaces form a wedge. Generally, for gate valves with wedge-shaped sealing surfaces, the angles between the sealing surface and the vertical center
Compared with other types of valves, pneumatic ball valve has the advantages of angular stroke output torque, rapid, stable and reliable opening, wide application, and the following advantages:1. The thrust bearing reduces the friction torque of the valve stem, which can make the long-term operation
1、 Wear resistance; Because the ball valve core of hard seal ball valve is alloy steel spray welding,and the sealing ring is alloy steel surfacing, so the hard sealed ball valve will not produce too much wear when opening and closing.2、 Good sealing performance; As the sealing of hard sealed ball va
