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David3399's latest activity

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    David3399 replied to the thread ASTM A403 Fittings - W vs. WX vs. WU.
    Yes You answered this...5.1 5.4.2 If you don't meet 5.4.3.2 or 5.4.3.3 RT is required. Table 6 may clear things up for you.
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    David3399 replied to the thread Opening on Blind Flange.
    Correct. Opening size and spacing limits of UG-36 apply or use UG-39 for reinforcement.
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    David3399 replied to the thread Ring Type Flange from Rolled Strip.
    The answer to your question is simple..... Yes. Why they would want to is harder to decipher. Way easier to roll 75mm vs 140mm.
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    David3399 replied to the thread Opening on Blind Flange.
    The Code allows B16.5 flanges to be used at the pressure/temp ratings of those standards without additional calculations. B16.5 allows...
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    David3399 replied to the thread Opening on Blind Flange.
    It's telling you exactly what I said...it's no longer a blind flange. Even though the openings are exempt from reinforcement it needs...
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    David3399 replied to the thread Opening on Blind Flange.
    I would no longer call this a blind flange...now is a bolted cover and needs to be designed to UG-34.
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