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The International Standard contains requirements for the performance, dimensional and functional interchangeability, design, materials, testing, inspection, welding, marking, handling, storing, shipment, as well as recommendations for purchasing, repair and remanufacture of wellhead and Christmas tree equipment for use in the petroleum and natural gas industries. At DIN the Committee responsible for this standard is NA 109-00-01-04 AK "Bohr- und Fördereinrichtungen - Spiegelausschuss zu ISO/TC 67/SC 4" ("Drilling and production equipment - Mirror Committee of ISO/TC 67/SC 4").
This document replaces DIN EN ISO 10423:2005-07 .
This document has been replaced by: DIN EN ISO 10423:2022-06 .