... which correspond to the lifetime of the tee - 89 years. Thus the basic technological pipelines, as well as tees TC 1020 (22K60) x720 (18K60)-9,8-0,6-CL and TC 1420 (32K60) x1020 (22K60)-9,8-0,6-CLas part of COP considered binding conditions satisfy the static strength. Level equivalent stresses in welded tees at operational mode and hydraulictesting does not exceed 62% of the maximum allowable in [1]. The service life of welded T-joints is not less than82 years. This period exceeds the expected life ...

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