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212025-021. Valve stem corrosion and protection Main causes of valve stem corrosion: The corrosion damage of the valve body is mainly caused by the corrosive medium, and the valve stem corrosion problem is mainly the packing.
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032025-01Fixed shaft ball valve is commonly used on natural gas pipelines, and its general inspection method is: turn the valve to the fully open or fully closed position
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202024-12
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062024-12Ball valve has many kinds of structure, but basically the same little difference, are the opening and closing parts for the round ball core, mainly by the valve seat, ball, sealing ring
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222024-11In the thermal system, the thermal trap plays a very important role, and its performance directly affects the stability and energy efficiency of the steam system.
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082024-11Gate valves usually have single gate, double gate, wedge, parallel and other structural designs
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012024-11The sealing performance of the valve directly affects the control effect of the fluid medium and the safe operation of the system
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252024-10Sealing surface is the most critical working face of the valve, the quality of the sealing surface directly affects the service life of the valve
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102024-10The electric actuator of valve is used to control the valve. If the valve cannot be opened and closed due to some factors, such as power failure, failure of the
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272024-09Pressure valve is a device used in hydraulic system to control and regulate liquid flow pressure.
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