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Company permissions “Shell Global Solutions International B.V.” on deliveries of the main pipes according to the following specifications: [DEP.31.40.20.35-Gen] «The main pipes for not critical service conditions» and [DEP.31.40.20.37-Gen] «The main pipes for critical service conditions». Complex possibilities on production of pipes of big diameter of VSW correspond to the following conditions: a steel main pipe with the longitudinal seam, welded by a method of arc welding under gumboil (SAWL), the maximum group of durability: L485MC; maximum thickness of a wall: 32мм. |