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ISO 21809-4:2026

Oil and gas industries including lower carbon energy — External coatings for buried or submerged pipelines used in pipeline transportation systems — Part 4: Polyethylene coatings (2-layer PE) ISO 21809-4:2026

Publication date:   Feb 6, 2026

General information

60.60   Standard published   Feb 6, 2026

ISO

ISO/TC 67/SC 2 Pipeline transportation systems

International Standard

75.200   Petroleum products and natural gas handling equipment

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Scope

This document 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 oil and gas industries as defined in ISO 13623.
NOTE            Pipes coated in accordance with this document are considered suitable for additional protection by means of cathodic protection.

Life cycle

PREVIOUSLY

WITHDRAWN
ISO 21809-4:2009

NOW

PUBLISHED
ISO 21809-4:2026
60.60 Standard published
Feb 6, 2026




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