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  1. Alan1972

    Full Bore vs Reduce Bore: Ball Valves upstream & downstream / steam service

    jacsc Sorry , but I thought ball valves are not recommended in steam servive ! Regards;
  2. Alan1972

    Trim 10 & Trim 12 for Gate Valve

    Procurement2: Theaoretically you could do that! keep in mind there might be a cost diffence . Hope this helps
  3. Alan1972

    Maximum socket weld gap?

    donf You are right Donf it is 1/16" . Check in ASME b31.3 2010 EDITION PAGE 62 under section: Fig. 328.5.2B Typical Details for Double-Welded Slip-On and Socket Welding Flange Attachment Welds. I think it is clearely stated in (3) approsimat gap is 1.5MM (1/16") Give us a feedback if this...
  4. Alan1972

    A 671 CC60 Vs A 672 C60 grades

    Hi Everyone In my recent job, I was asked to specify low temperature carbon steel (LTCS MDMT goes down to -48 deg C) in a 150# CS (MDMT to -29) line class to avoid impact test when the wall pipe ecceeds 0.5". I am just wondering which of the A 671 CC60 Vs A 672 C60 grades would fit the purpose...
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