90.92 Standard to be revised Apr 20, 2023
ISO
ISO/TC 67/SC 2 Pipeline transportation systems
International Standard
75.200 Petroleum products and natural gas handling equipment
ISO 21809-3:2016 specifies requirements for field joint coating of seamless or welded steel pipes for buried and submerged sections of pipeline transportation systems used in the petroleum, petrochemical and natural gas industries as defined in ISO 13623. This part of ISO 21809 specifies the qualification, application and testing of the corrosion protection coatings applied to steel surfaces left bare after the joining of pipes and fittings (components) by welding.
ISO 21809-3:2016 defines and codifies in Table 1 the different types of field joint coatings for pipelines.
ISO 21809-3:2016 does not address requirements for additional mechanical protection, for thermal insulation or for joint infills of concrete weight-coated pipes.
NOTE Field joints of pipes and fittings coated in accordance with this part of ISO 21809 are considered suitable for further protection by means of cathodic protection.
PUBLISHED
ISO 21809-3:2016
90.92
Standard to be revised
Apr 20, 2023
PUBLISHED
ISO 21809-3:2016/Amd 1:2020