In the HTS-16K pneumatic control valve, the pressure before the valve exceeds the spring pressure, and the pressure drop is also quite significant

2017-06-13View Original

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The spring pressure is 80–240 Kpa; the diameter is DN80, and the medium flowing through the pipe is natural gas. When in use, the pressure before the valve is 140 Kpa, while there is a pressure gauge behind the valve showing 40 Kpa. The pressure drop exceeds the 40 Kpa value specified in the HTS-2008 guidelines. When gas supply is stopped, the pressure before the valve can reach 240 Kpa or even 260 Kpa. Could this valve no longer be functioning properly? . . Why is the natural gas pressure drop so large? I seek advice from experts

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In the HTS-16K pneumatic control valve, the pressure before the valve exceeds the spring pressure, and the pressure drop is also quite significant

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