Electric shut-off valve

Nov 07, 2018Keywords: electirc shut off valve,cement silo

              Electric shut-off valve and the flange gate valve are the same type of valve, which consists of an electric actuator or a pneumatic actuator and a shut-off valve. The difference between the closing member and the shut-off valve is that the valve body rotates around the center line of the valve body. A valve that opens and closes. The gate valve is mainly used in the pipeline to cut, distribute and change the flow direction of the medium. Two-piece ball valve, three-piece ball valve, is a new type of valve that has been widely used in recent years.

Electric shut-off valve, also called electric door, is the most widely used type of valve. It is different from electric ball valve. It is popular because of the low friction between the sealing surfaces during opening and closing. The opening height is not large, the manufacturing is easy, the maintenance is convenient, and it is not only suitable for medium and low pressure, but also suitable for high pressure. The closing principle of the electric shut-off valve is to rotate the valve bar by the electric thrust so that the sealing surface of the valve disc and the sealing surface of the valve seat are closely fitted to prevent the medium from flowing. The electric stop valve only allows the medium to flow in one direction and is directional when installed. The structural length of the shut-off valve is larger than that of the gate valve, and the fluid resistance is large. When the machine is operated for a long time, the sealing reliability is not strong.

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