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  • Users: Gnoom
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  1. Gnoom

    API 3% Inlet Loss for PSVs: concentric reducer directly at inlet safety valve included in loss calc?

    Hi all, With a colleague I'm having a discussion on how to interpretarte the API 520 Part II recommendation of not having more than 3% pressure loss at the inlet piping to the PSV. I'm already aware of the following: “The calculation should contain only NON-RECOVERABLE losses. For gases, you DO...
  2. Gnoom

    Stainless steel NPT ball valve in Carbon Steel piping

    Hi everybody, I've been doing some searching in various threads of the forum, but I still remain with some doubts on this topic: I've seen various plants that use the typical NPT stainless steel ball valves in Carbon Steel piping, for example for vents and drains on cooling water piping...

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