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)
STANDARD published on 1.5.2019
Designation standards: ČSN EN ISO 21809-1
Classification mark: 450060
Catalog number: 506891
Publication date standards: 1.5.2019
The number of pages: 76
Approximate weight : 228 g (0.50 lbs)
Country: Czech technical standard
Category: Technical standards ČSN
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