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  • Users: piperUK
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  1. piperUK

    Design Specification for 1/2" - 11/2" Ball Valves

    Dear Forum, I'd appreciate others opinion/guidance on the following: I've been asked to carry out some amendments to a technical specification for ball valves and one of the issues is that the spec calls for DN15 - DN40 Class 900/1500 flanged valves to be in accordance with BS EN ISO 17292 /...
  2. piperUK

    Below Spec flanges - A350 LF2

    Hi, I would appreciate the advise of any pipng materials experts. For a forthcoming project we have purchase some A350 LF2 flanges that have failed impact and tensile testing. Low max tensile, low elongation, low charpy impact testing values (at -50DegC). The supplier is asking for a...

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