INTERNATIONAL ISO STANDARD 15848-2 Secondedition 2015-06-01 Industrialvalves-Measurement testandqualificationproceduresfor fugitiveemissions- Part 2: Production acceptancetestofvalves Robinetteriendustriell-Mesurageessaisetmodesoperatoirese qualificationpouremissionsfugitives Partie2:Essais dereception en production des appareils de robinetterie Referencenumber ISO 15848-2:2015(E) ISO2015
ISO15848-2:2015(E) COPYRIGHTPROTECTEDDOCUMENT ISO 2015 All rightsreserved.Unlessotherwise specifiednopartof thispublicationmaybereproduced orutilized otherwiseinanyform orby anymeanslectronicormechanicalincludingphotocopyingrostingonthentrnetoranintranetwithoutprr written permission.Permission canberequested from either ISOat the address below orISO'smember body in the country of the requester. ISOcopyright office Case postale 56 CH-1211 Geneva 20 Tel. 41 22 749 01 11 Fax 41 22 749 09 47 E-mail copyright@iso.org Web .iso.org Published in Switzerland ii ISO 2015 - All rights reserved
ISO 15848-2:2015(E) Contents Page Foreword. iv Introduction.. V 1 Scope. 1 2 Normativereferences. 1 3 Terms and definitions. 1 4 Preparation of test valves.. 1 4.1 Valve selection.. Preconditioning. 1 4.2 1 4.3 Stem(or shaft)seal adjustment. 2 5 Test conditions. 2 5.1 Test fluid. 2 5.2 Leakagemeasurement. 2 5.3 Test pressure. 2 5.4 Testtemperature. 2 6 Testprocedureandevaluationof testresults. 2 6.1 Measurement of stem(or shaft)sealleakages. 2 6.2 Measurement of leakage of body seal(s) 3 7 Marking. 3 8 Certificationofpliance. 3 iii
ISO15848-2:2015(E) Introduction The aim of this part of ISO 15848 is to establish standard practice for the evaluation of production valves the design of which has been successfully type-tested according to ISo15848-1.