M00019484
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ISO FDIS 21809-3 2015 Edition, November 26, 2015 PETROLEUM AND NATURAL GAS INDUSTRIES - EXTERNAL COATINGS FOR BURIED OR SUBMERGED PIPELINES USED IN PIPELINE TRANSPORTATION SYSTEMS - PART 3: FIELD JOINT COATINGS
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Availability date: 07/14/2021
Description / Abstract:
This part of ISO 21809 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.
This part of ISO 21809 defines and codifies in Table 1 the
different types of field joint coatings for pipelines.
This part of ISO 21809 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.