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On-duty air control valve of gas system
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Natural gas emergency shut-off valve
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Anti-surge blow-off valve for gas turbine system
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Air circuit for pneumatic actuator
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Cold air regulating valve
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A kind of extraction check valve convenient for on-line maintenance
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The anti-jamming increasing Slipped Clove Hitch structure in valve rod lower end
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Double floating sealing structures
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Crank-linkage type linkage mechanism
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High exhaust check valve
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A kind of low flow resistance butterfly valve of split type shock resistance
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The anti-water erosion end mechanism of valve and butterfly valve
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A kind of adjustable cut-off valve
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Sealing device
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Regulating type metal sealed butterfly valve
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Hard-sealing and low-temperature butterfly valve and sealing method thereof
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Monitoring and controlling system and control method of piston type adjusting valve
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Periodic blow-down regulating valve of high-pressure-difference boiler
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Online automatic-detection sliding bearing fault early-warning system and expansion amount measurement method
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Hydrodynamic executing mechanism
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