BS ISO BRITISH STANDARD 19921:2005 Ships and marine technology Fire resistance of metallic pipe components with resilient and elastomeric seals - Test methods ICS 47.020.30; 47.020.99 BSi NO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAW British Standards BS ISO 19921:2005 National foreword ThisBritish Standard reproduces verbatimISO19921:2005 andimplements it as the UK national standard. TheUKparticipation in its preparation was entrusted by Technical Committee SME/32, Shipsand marinetechnology,toSubcommitteeSME/32/3, Piping and machinery, which has the responsibility to: aid enquirers to understand the text; present to the responsible international/European committee any enquiries on the interpretation, or proposals for change, and keep UK interests informed; monitor related international and European developments and promulgate them in the UK. A list of organizations represented on this subcommittee can be obtained on request to its secretary. Cross-references The British Standards which implement international publications referred to in this document may be found in the BSI Catalogue under the section entitled "International Standards Correspondence Index", or by using the“Search" facility of the BSI Electronic Catalogue or of British Standards Online. This publication does not purport to include all the necessary provisions of a contract. Users are responsible for its correct application. Compliance with a British Standard does not ofitselfconfer immunity fromlegal obligations. Summary of pages This document comprises a front cover, an inside front cover, the IsO title page, pages ii to v, a blank page, pages 1 to 9 and a back cover. The BSI copyright notice displayed in this document indicates when the document was last issued. Amendments issued sincepublication This British Standard was Amd. No. Date Comments published under the authority of the Standards Policy and Strategy Committee on 30 January 2006 @ BSI 30 January 2006 ISBN0580473597 BS ISO 19921:2005 ISO INTERNATIONAL 19921 STANDARD First edition 2005-10-01 Ships and marine technology Fire resistance of metallic pipe components with resilient and elastomeric seals - Test methods Navires et technologiemaritime-Resistanceaufeu des composants detuyauxmetalliques avec joints élastiques ouélastomeres- Methodes d'essai Reference number ISO 19921:2005(E) ISO ii BS ISO 19921:2005 Contents Page Foreword iv Introduction 1 Scope 2 Normative references ... 3 Designation. 4 Testpieces andpreparation.. 5 Numberoftestpieces 6 Testbench. 7 Test performance. 7.1 Instailation of test pieces.. 7.2 Preparation.. 7.3 Measuredvaluesandmeasuringpoints 7.4 Commencementoftest. 7.5 Testtemperatures 7.6 Testpressures 7.7 Test duration.. 7.8 Heat flux. 8 Assessment.. 9 Test certificate. AnnexA(normative)Testcertificate... AnnexB(informative)Evidenceof suitabilityof otherpipeline componentsvia representative nominal bores ... AnnexC(informative)Pipeline components thatcan befire-testqualified using this International Standard.... Bibliography . ili BS IS019921:2005 Foreword IsO (the International Organization for Standardization) is a worldwide federation of national standards bodies (IsO member bodies). The work of preparing International Standards is normally carried out through IsO non-governmental, in liaison with isO, also take part in the work. iso collaborates closely with the International Electrotechnical Commission (IEC) on all matters of electrotechnical standardization. International Standards are drafted in accordance with the rules given in the ISO/lEC Directives, Part 2 adopted by the technical committees are circulated to the member bodies for voting. Publication as an International Standard requires approval by at least 75%of the member bodies casting a vote Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. IsO shall not be held responsible for identifying any or all such patent right