(EN) – Explaining valve terminology | Valve World


Chiyoda Piping Engineer Neeraj Batra explains technical terminology. Valves are essential to a plant’s control, shutdown and isolation philosophy. This article will therefore address the definition of (i) tight shut off, (ii) unidirectional / bidirectional and (iii) double block and bleed / double isolation and bleed. The article is not limited to any specific oil and gas industry domain such as refining, petrochemicals or LNG.

  1. Part 1: Plant isolation philosophy
  2. Part 2: Tight shut-off
  3. Part 3: DBB and DIB requirements

via: Valve World


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