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EVS-EN ISO 21809-1:2018

Petroleum and natural gas industries - External coatings for buried or submerged pipelines used in pipeline transportation systems - Part 1: Polyolefin coatings (3-layer PE and 3-layer PP) (ISO 21809-1:2018)

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Kehtiv alates 16.11.2018
Alusdokumendid
ISO 21809-1:2018; EN ISO 21809-1:2018
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Standardi ajalugu

Staatus
Kuupäev
Tüüp
Nimetus
16.11.2018
Põhitekst
03.08.2011
Põhitekst
This document specifies requirements for plant-applied external three-layer polyethylene and polypropylene based coatings for corrosion protection of welded and seamless steel pipes for pipeline transportation systems in the petroleum and natural gas industries in accordance with ISO 13623.
NOTE Pipes coated in accordance with this document are considered suitable for further protection by means of cathodic protection.

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