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Limit structure for fixing valve rod switch of ball valve
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A kind of high temperature formula DBB fixing ball valve valve group
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A kind of metal sealing floating ball valve
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A kind of orbit ball valve guiding mechanism
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A kind of ultralow temperature fixing ball valve
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The roof-mounted fixing ball valve of heavy caliber double-piston
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Ultralow temperature floating ball valve
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The pneumatic actuator of flat gate valve
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Connecting structure for valve cover and valve body
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Sealing structure for valve seat and globe
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Novel valve clack structure
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Sealing structure between valve cover and valve rod
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Track ball valve torque test tooling
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DBB valve set structure
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Ball valve
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Plug valve
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Track ball valve
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