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 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 |
