section1 code spool section1 code spool kill0054 (Industrial) (OP) 19 Jun 17 11:18 I ahve spool under section 1/B31.1 design data, what should i put for applicable code & what code stamp should I use? RE: section1 code spool mk3223 (Mechanical) 19 Jun 17 16:48 May look at the sketches of the Fig.100.1.2 in B31.1 and decide which the proper code stamps, i.e. "S", "A", or "PP", for your application. Also refer to the thread794-395346: ASME S stamp for additional info. Hope it helps. RE: section1 code spool kill0054 (Industrial) (OP) 19 Jun 17 16:52 thank you. I am not engineer so don't know much about it. I think I will "PP" thought. RE: section1 code spool oknow (Mechanical) 21 Jun 17 03:11 Suggest you discuss with your AIA.