This standard was last reviewed and confirmed in 2016. Therefore this version remains current.
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.
Status : PublishedPublication date : 2009-11
Edition : 1Number of pages : 34
Technical Committee:Pipeline transportation systems
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