This International Standard specifies requirements and gives recommendations for the design; manufacturing;testing and documentation of ball; check; gate and plug valves for subsea application in offshore pipelinesystems meeting the requirements of ISO 13623 for the petroleum and natural gas industries.
EN ISO 14723:2009 Referenced Document
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ISO 31-0:1992 Quantities and units; part 0: general principles
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ISO 7-1 Pipe threads where pressure-tight joints are made on the threads — Part 1: Dimensions, tolerances and designation TECHNICAL CORRIGENDUM 1
ISO 9606 Approval testing of welders - Fusion welding - Part 5: Titanium and titanium alloys, zirconium and zirconium alloys
ISO 9712 Non-destructive testing — Qualification and certification of NDT personnel*， 2021-12-21 Update
EN ISO 14723:2009 history
2009EN ISO 14723:2009 Petroleum and natural gas industries - Pipeline transportation systems - Subsea pipeline valves
2001EN ISO 14723:2001 Petroleum and Natural Gas Industries - Pipeline Transportation Systems - Subsea Pipeline Valves ISO 14723: 2001; Corrected 2002-09-25