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  • Users: Ripz
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  1. Ripz

    Porosity Acceptance Criteria

    Using ASME B31.3 as a reference; why is surface porosity always unacceptable regardless of size, while internal porosity has an acceptance criteria. Let's assume both are the same size, why does the fact that it's on the surface make it unacceptable?
  2. Ripz

    Cold Differential Test Pressures of Relief Valves

    Hi, I have a general question regarding Cold Differential Test Pressures of Relief Valves. I understand the concept and it's relationship to Backpressure. What i'd like clarification on is, how does operating temperature affect the CDTP, why and by how much. How do designers know how much...
  3. Ripz

    Failures due to Inadequate/Improper Inspections

    Hi, I'm trying to find articles or reports on Industry Failures that were caused due to inadequate/improper inspection/integrity practices. I figure there's a lot of these type failures, but now enough articles detailing such.
  4. Ripz

    Cold Differential Set Pressure

    Hi, I have a general question regarding Cold Differential Test Pressures of Relief Valves. I understand the concept and it's relationship to Backpressure. What i'd like clarification on is, how does operating temperature affect the CDTP, why and by how much. How do designers know how much...

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