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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)
5 nën 2009

General information

90.92     8 pri 2022

ISO

ISO/TC 67/SC 2

International Standard

75.200  

anglisht  

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Scope

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.

Life cycle

NOW

PUBLISHED
ISO 21809-4:2009
90.92 Standard to be revised
8 pri 2022

REVISED BY

IN_DEVELOPMENT
ISO/DIS 21809-4