ISO 21809-4:2009 specifies the requirements for qualification, application, inspection, testing, handling and storage of materials for plant application of two-layer polyethylene coatings (2-layer PE) applied externally for the corrosion protection of bare steel pipe for use in pipeline transportation systems for the petroleum and natural gas industries as defined in ISO 13623.
Document identifier
ISO 21809-4:2009
Title
Petroleum and natural gas industries - External coatings for buried or submerged pipelines used in pipeline transportation systems - Part 4: Polyethylene coatings (2-layer PE)
ISO Category
TC 67/SC 2: Pipeline transportation systems
Publication date
2009-11-15
International Relationship
BS ISO 21809-4:2009 * BS ISO 21809-4:2009
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