Pipeline inspection level

2009-03-06View Original

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Please tell me, there are E3, E1, A2, B3, etc. in the pipeline inspection level column. How are these different? According to which standard. In the past, I have seen pipeline categories GB20801, GC1, GC2, or pipeline levels SH3059 SHE, SHA, etc., but I have never seen the above distinction. This post was last edited by mallon on 2009-3-6 16:04 ]

Reply #22009-03-06

The E3, E1, A2 you mentioned are not the same concept as GC1, GC1 and SHE. The classifications are different, and the GC category belongs to pressure pipelines. . SHE is the norm, right?

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Pipeline inspection level

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