NEN ISO 21809-4 : 2009
Current
The latest, up-to-date edition.
PETROLEUM AND NATURAL GAS INDUSTRIES - EXTERNAL COATINGS FOR BURIED OR SUBMERGED PIPELINES USED IN PIPELINE TRANSPORTATION SYSTEMS - PART 4: POLYETHYLENE COATINGS (2-LAYER PE)
12-01-2013
Defines 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.
Access your standards online with a subscription
Features
-
Simple online access to standards, technical information and regulations.
-
Critical updates of standards and customisable alerts and notifications.
-
Multi-user online standards collection: secure, flexible and cost effective.