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Sonotron NDT Original developer and manufacturer of advanced ultrasonic instruments 1030 views Technical Discussions Junior Junior 00:18 Nov-20-2007 miters in pipeline Does API 1104 allow any miters on a pipeline and if so, what are the specs.    Reply  Translate  Close   G.Madhesan Consultant, Welding ýnspector/QAQC inspector CHENNAI UNIVERSITY, Turkey, Joined Nov 2004, 10 G.Madhesan Consultant, Welding ýnspector/QAQC inspector CHENNAI UNIVERSITY, Turkey, Joined Nov 2004 10 09:54 Nov-21-2007 Re: miters in pipeline I have done a porject for Libya ,in that project had lot of 46" Mitre bends and we have followed the API 1104 only. ----------- Start Original Message ----------- : Does API 1104 allow any miters on a pipeline and if so, what are the specs. ------------ End Original Message ------------    Reply  Translate  Close   John O'Brien Consultant, - Chevron ETC , USA, Joined Jan 2000, 280 John O'Brien Consultant, - Chevron ETC , USA, Joined Jan 2000 280 04:13 Nov-21-2007 Re: miters in pipeline Your question is incorrect. API 1104 is not a pipeline design code or specification its intent is the control of welding and associated inspection accept/reject criteria. You need to refer to the pipeline design specification such as B31.4, B31.8, DNV FS 101 or similar. Even if the specification permits the use of miter bends you then need to investigate the long term effects these will have on your ability to perform other actions on your pipeline such as pigging.    Reply  Translate  Close

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