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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.


    
 
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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 
 
John O'Brien
Consultant, -
Chevron ETC , USA, Joined Jan 2000, 278

John O'Brien

Consultant, -
Chevron ETC ,
USA,
Joined Jan 2000
278
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.



    
 
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