Valve selection, function and piping system of the main factors
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First, the selection In the building piping system, the valve plays the role of control fluid. Because of the different structure and material, so the valve will be made of different. In order to ensure the piping system to achieve the highest efficiency, lowest cost and longest service life, the correct selection of the valve is essential. Second, the function valve has four main functions: 1. Start and stop the flow of media 2. Regulate (throttle) media flow 3. To prevent the backflow or backflow 4. Regulate or release fluid pressure Third, the main factors of the pipeline system 1. Pressure 2. Temperature 3. Type of fluid medium a) Fluid b) Gas: for example, steam or air c) Content of impurities or abrasives (aggressive substances) d) Corrosiveness 4. Fluid flow a) On-off adjustment b) Backflow or backflow c) attention to pressure drop d) flow rate 5. working environment a) condensation b) operating frequency c) accessibility d) dimensions / space to be used e) manual or automatic control f)