Valve is a kind of used to change the pipe cross section and flow direction of medium, control of the medium pressure, flow rate, temperature of the device, has the following purposes:
1, connect or cut tube paragraphs of medium, such as gate valve, globe valve, butterfly valve, ball valve, rotating plug, etc.
2, adjust the pipeline flow and pressure, such as: valve, throttle valve, relief valve, butterfly valve, ball valve, etc.
3, change the direction of media flow, such as distributing valve, t, t ball valve, etc.).
4, used for overpressure protection, such as safety valve, relief valve, etc.
5, to prevent pipeline medium return valve, etc.
6, directives and adjusting value, such as the value indicator, face value regulator, etc.
7, pipeline gas, and water separation (such as steam trap, air trap).
8, pipe temperature regulation (such as temperature control valve, desuperheating decompression device).
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