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Recent content by shanghaigas

  1. shanghaigas

    Bypass necessary for a whole station?

    Hi, I'm dealing with the contractor for city gate station designing and coming with a argument of bypass. It's quite common to equip bypass parallel to installations like valve, filter, meter and regulator etc in pipeline system. However, is a special bypass necessary for a whole station...
  2. shanghaigas

    Efficiency of Natural Gas Transport through Pipelines

    Hi, May I contribute a rule of thumb for your reference. For large natural gas transmission pipeline built in plain terrain and without extreme climate circumstance, the compressor driven by modern gas-fired turbine normally consume 1% of its throughput gas every 400km. This is summarised from...
  3. shanghaigas

    Maximum Working Pressure for PE pipe under given temperature

    Hi, I am looking for the experience of PE pipe application in areas with hot climate. Local designing code at my hand recommends the maximum working pressure of 2bar for MDPE (PE80, SDR11) under temperature range of 20-30C and MOP of 1bar under 30-40C. It is said the code takes the reference...

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