Petroleum and natural gas industries. External coatings for buried or submerged pipelines used in pipeline transportation systems - External concrete coatings Ingestion-build-54371 A test chamber for a

A test chamber for a type D fan is introduced

It supersedes BS 680-2:1971 which is withdrawn

The method is not suitable for coatings of total thickness greater than 250 μm or for textured coatings

or indirectly

Petroleum and natural gas industries. External coatings for buried or submerged pipelines used in pipeline transportation systems - External concrete coatings Ingestion-build-54371 A test chamber for aBS EN ISO 21809 5: 2010 Petroleum and natural gas industries. External coatings for buried or submerged pipelines used in pipeline transportation systems. External concrete coatings BS EN ISO 21809 5 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