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ÖNORM EN ISO 21809-1:2012-04

Заменен
Petroleum and natural gas industries - External coatings for buried or submerged pipelines used in pipeline transportation systems - Part 1: Polyolefin coatings (3-layer PE and 3-layer PP) (ISO 21809-1:2011)
This part of ISO 21809 specifies requirements of plant applied external three layer polyethylene and
polypropylene based coatings for corrosion protection of welded and seamless steel pipes for pipeline
transportation systems in the petroleum and natural gas industries as defined in ISO 13623.
ICS
75.200 Petroleum. Including petroleum and natural gas storage devices, distribution systems, pipelines, petrol stations, dispensing devices, etc. / Оборудование для переработки нефтяных продуктов и