BSENIS010423:2022 BSlStandardsPublication Petroleum and natural gas industries - Drilling and production equipment - Wellhead and tree equipment bsi. BSENISO10423:2022 EN IS0 10423 EUROPEANSTANDARD NORMEEUROPEENNE EUROPAISCHE NORM March2022 ICS 75.180.10 SupersedesENIS010423:2009 EnglishVersion Petroleum and natural gas industries - Drilling and productionequipment-Wellheadandtreeequipment(IsO 10423:2022) Industries du petrole et du gaz naturel-Equipement de Erdol- und Erdgasindustrie- Bohr- und forage et de production-Equipement pour tetes de Forderausristung-Bohrlochkopf-und puits et arbres de Noel (IS0 10423:2022) Eruptionskreuz-Ausristung (IS010423:2022) This European Standard was approved by CEN on 22February 2022. European Standard the status ofa national standard without any alteration.Up-to-date lists and bibliographical references concerning such national standards may be obtained on application to the CEN-CENELEC Management Centre or to any CEN member. This European Standard exists in three official versions (English, French, German). A version in any other language made by Centre has the same status as the official versions. CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland,Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway Poland, Portugal, Republic of North Macedonia, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and United Kingdom. ce EUROPEANCOMMITTEEFOR STANDARDIZATION COMITEEUROPEENDENORMALISATION EUROPAISCHESKOMITEEFURNORMUNG CEN-CENELECManagementCentre:RuedelaScience23,B-1040Brussels 2022CEN All rights of exploitation in any form and by any means reserved Ref.No.EN ISO 10423:2022 E worldwide for CEN national Members. BSENIS010423:2022 ENIS010423:2022(E) Europeanforeword Thisdocument (ENIS010423:2022)hasbeenpreparedbyTechnicalCommitteeIS0/TC67"Materials, equipment and offshore structures for petroleum,petrochemical and natural gas industries"in collaboration with Technical Committee CEN/TC 12"Materials, equipment and offshore structures for petroleum,petrochemical and natural gas industries"the secretariatofwhich is held by NEN. This European Standard shall be given the status of a national standard, either by publication of an identical text or by endorsement, at the latest by September 2022, and conflicting national standards shallbewithdrawnatthelatestbySeptember2022. Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights.CEN shall notbeheld responsiblefor identifyingany orall suchpatent rights. ThisdocumentsupersedesENIS010423:2009 Any feedback and questions on this document should be directed to the users' national standards body/national committee.AcompletelistingofthesebodiescanbefoundontheCENwebsite. According to the CEN-CENELEC Internal Regulations, the national standards organizations of the following countries are bound to implement this European Standard:Austria, Belgium,Bulgaria, Croatia,Cyprus,CzechRepublic,Denmark,Estonia,Finland,France,Germany,Greece,Hungary,Iceland, Ireland,Italy,Latvia, Lithuania,Luxembourg,Malta,Netherlands,Norway,Poland,Portugal,Republic of North Macedonia,Romania, Serbia,Slovakia,Slovenia,Spain,Sweden,Switzerland,Turkey and the UnitedKingdom. Endorsementnotice ThetextofIS010423:2022hasbeenapprovedbyCENasENIS010423:2022withoutanymodification.