GSO ISO 21809-4:2011
ISO 21809-4:2009
Gulf Standard
Current Edition
·
Approved on
12 April 2011
Petroleum and natural gas industries – External coatings for buried and submerged pipelines used in pipeline transportation system – Part 4 : Polyethylene coatings (2layer pe)
GSO ISO 21809-4:2011 Files
English
34 Pages
Current Edition
Reference Language
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GSO ISO 21809-4:2011 Scope
This part of ISO 21809 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 the petroleum and
natural gas industries as defined in ISO 13623.
NOTE Pipes coated in accordance with this part of ISO 21809 are considered suitable for additional protection by
means of cathodic protection.
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