NA 109

DIN Standards Committee Petroleum and Natural Gas Industries

DIN EN ISO 21809-2 [CURRENT] referenced in following documents:

Document number Edition Title
DVGW GW 10 2018-06 Cathodic Protection (CP) of buried Pipelines, Pipelines of complex Structures and Steel Tanks - Planning, Construction, Commissioning, Operation and Maintenance More 
DVGW GW 28-B1 2018-04 Determination of AC corrosion risk of cathodically protected steel pipelines and protection measures; Supplement 1: Modified criteria for AC voltage and on potential More 
DIN EN ISO 21809-5 2019-01 Petroleum and natural gas industries - External coatings for buried or submerged pipelines used in pipeline transportation systems - Part 5: External concrete coatings (ISO 21809-5:2017); German version EN ISO 21809-5:2017 More