ISO-21809-4 › 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-21809-4
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1ST EDITION
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CURRENT
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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.
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Document Number
ISO 21809-4:2009
Revision Level
1ST EDITION
Status
Current
Publication Date
Nov. 15, 2009
Committee Number
ISO/TC 67/SC 2