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  • Users: SAFTENG
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  1. SAFTENG

    API 576 Question

    In API Recommended Practice 576 - Inspection of PRD's, Section 6.1.1 it talks about a "stop valve". It states "When a block valve is provided between a vessel's only relief valve and the header the valve discharges into, the block valve shall be so arranged that it can be...
  2. SAFTENG

    65% vs. 25% Oleum

    I am looking for advice on the difference in footprint patterns between 65% Oleum and 25% Oleum. Keeping the same amount, around 170,000 pounds, and everything else equal. At 65% Oluem our RMP footprint is right at 1.0 miles. We may be able to use 25% Oleum in our process and I was just...
  3. SAFTENG

    Mechanical Integrity

    Hi board, I am a safety engineer working at a Chemical facility covered by both PSM and RMP. We have recently found a tank that many consider to have failed it's MI inspection. Inspectors are API certified inspectors and do their work per API standards. I am not directly responsible for our...

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