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sklademVydáno: 2017-09-15
BS EN ISO 21809-5:2017
Petroleum and natural gas industries. External coatings for buried or submerged pipelines used in pipeline transportation systems External concrete coatings
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| Označení normy: | BS EN ISO 21809-5:2017 |
| Počet stran: | 38 |
| Vydáno: | 2017-09-15 |
| ISBN: | 978 0 580 93599 2 |
| Status: | Standard |
Popis
BS EN ISO 21809-5:2017
This standard BS EN ISO 21809-5:2017 Petroleum and natural gas industries. External coatings for buried or submerged pipelines used in pipeline transportation systems is classified in these ICS categories:
- 75.200 Petroleum products and natural gas handling equipment
This document specifies the requirements for qualification, application, testing and handling of materials required for the application of reinforced concrete coating externally to either bare pipe or pre-coated pipe for use in pipeline transportation systems for the petroleum and natural gas industries as defined in ISO 13623.
The external application of concrete is primarily used for the negative buoyancy of pipes used in buried or submerged pipeline systems and/or for the mechanical protection of the pipe and its pre-coating.
This document is applicable to concrete thicknesses of 25 mm or greater.