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  • Users: Finchh
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  1. Finchh

    Pigging or Flushing a 15 km Non-Uniform pipeline

    Hello all, I’m looking for some guidance on cleaning a 15 km non-uniform pipeline that alternates between 4" and 6" Schedule 80 sections, with reducers, bends, and a non-barred tee section (P&ID attached for reference). We’ve calculated a total pressure loss of approximately 30 bar at a flow...
  2. Finchh

    Drying Challenges in Pipeline Pre-Commissioning: Seeking Solutions

    Hi everyone, I'm seeking advice on drying a 56-inch diameter, 20 km long carbon steel sales gas pipeline for pre-commissioning. The required dryness level is exceptionally low, with a water content target of less than 0.1 ppmV. We typically use nitrogen purging for drying, achieving a dew...

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