ISO 21809-4:2026
International Standard
Current Edition
·
Approved on
06 February 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 Files
English
68 Pages
Current Edition
BHD
97.84
ISO 21809-4:2026 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.
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