ISO/AWI 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)

General information

Current stage: 20.00 Effective date: Apr 8, 2022

Originator: ISO

Owner: ISO/TC 67/SC 2

Type: International Standard

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

PREVIOUSLY

Revises
ISO 21809-4:2009

NOW

IN_DEVELOPMENT
ISO/AWI 21809-4
20.00 New project registered in TC/SC work programme
Apr 8, 2022

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