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Gate valves are available with a variety of disks. Classification of gate valves is usually made by the type disk used:Wedge type single gate valve,Resilient gate valve,Double gate type gate valve, or Parallel gate valve. 1)Wedge type single gate valve ①Simpler structure than resilient gate valve. (ii) At higher temperatures, the sealing performance is not as good as that of resilient gate valves ...
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The eccentric half ball valve has the advantages of rapid opening and closing, light weight, small flow resistance, wedge-shaped principle can be used to remove fouling when closing, and is convenient for air control and electric control, etc., and has been widely used in various industries. A new self-sealing structure of the sealing pair is designed for the application of the eccentric half ball...
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The commonly used wedge gate structures are divided into three types: elastic wedge, rigid wedge, and wedge type double gate. The sealing surfaces on both sides of the wedge gate have a certain inclination angle with the vertical centerline of the gate, which is called the wedge half angle. The size of the wedge half angle has a significant impact on the performance of the gate valve. When the ang...
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