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ISO 21809-1:2011
ISO 21809-1:2011 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)
standard by International Organization for Standardization, 07/01/2011
Full Description
ISO 21809-1:2011 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 in accordance with ISO 13623.
Pipes coated in accordance with ISO 21809-1:2011 are considered suitable for further protection by means of cathodic protection.
