SR EN ISO 21809-1:2011
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 21809-1:2011)
ISO 21809-1:2011 specifies requirements of 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. Pipes coated in accordance with ISO 21809-1:2011 are considered suitable for further protection by means of cathodic protection.
Status :
Withdrawn
Approval date : 12/23/2011
Withdrawal date : 4/25/2019
Number of pages : 66
ICS : 75.200 Petroleum products and natural gas handling equipment
Technical Committee : 202 - Steel tubes
- Replaced by SR EN ISO 21809-1:2019
RO