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Homepage>ISO Standards>ISO 21809-4:2009-Petroleum and natural gas industries — External coatings for buried or submerged pipelines used in pipeline transportation systems-Part 4: Polyethylene coatings (2-layer PE)
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download between 0-24 hoursReleased: 2009
ISO 21809-4:2009-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 21809-4:2009

ISO 21809-4:2009-Petroleum and natural gas industries — External coatings for buried or submerged pipelines used in pipeline transportation systems-Part 4: Polyethylene coatings (2-layer PE)

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Standard´s number:ISO 21809-4:2009
Pages:34
Edition:1
Released:2009
Language:English
DESCRIPTION

ISO 21809-4:2009


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.