ISO INTERNATIONAL STANDARD 11625 Second edition 2007-08-15 Gas cylinders Safe handling Bouteilles a gaz - Sécurite de manutention Reference number ISO 11625:2007(E) @ISO2007 by IHS under lic 1111111001, User=Wing, Bernie ted without license from IHS ISO 11625:2007(E) PDFdisclaimer This PDF file may contain embedded typefaces. In accordance with Adobe's licensing policy, this file may be printed or viewed but shall not be edited unless the typefaces which are embedded are licensed to and installed on the computer performing the editing. In downloading this file, parties accept therein the responsibility of not infringing Adobe's licensing policy. The IsO Central Secretariat accepts no liability in this area. Adobe is a trademark of Adobe Systems Incorporated. Details of the software products used to create this PDF file can be found in the General Info relative to the file; the PDF-creation parameters were optimized for printing. Every care has been taken to ensure that the file is suitable for use by IsO member bodies. In the unlikely event that a problem relating to it is found, please inform the Central Secretariat at the address given below. COPYRIGHTPROTECTEDDOCUMENT @ISO2007 All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized in any form or by any means, IsO's member body in the country of the requester. ISO copyright office Case postale 56. CH-1211 Geneva 20 Tel. + 41 22 749 01 11 Fax + 41 22 749 09 47 E-mail [email protected] Web www.iso.org Published in Switzerland @ ISo 2007 - All rights reserved s/1111111001. User=Wing, Bernie I without license from IHS ISO 11625:2007(E) Contents Page Foreword. Introduction 1 Scope 2 Normative references . 3 Terms and definitions.. 4 Content identification... 5 Safe handling requirements , 5.1 General.. 5.2 User responsibilities.. 6 Use of gas cylinders 6.1 6.2 Labels and safety data sheets (SDS)... 6.3 Connecting cylinders and withdrawing content.. 6.4 Cylinder valve..... 6.5 6.6 Flame arrestor and shut-off device. 6.7 Manifolds .... 6.8 Gas tightness of connections 6.9 Residual cylinderpressure.. 6.10 Removing pressure regulator.. 6.11 Changing equipment service.... 6.12 6.13 Securing cylinders. 6.14 Precautions for oxidizing gases... 6.15 Oxygen concentration in work areas.... 6.16 Asphyxiation by inert gases ... 6.17 Hazards due to corrosive or toxic gases.. 6.18 Emergency precaution and required equipment.. 7 Storage. 7.1 7.2 Hazard class .. 7.3 Storage (all hazard classes) 7.4 Storage by hazard class. 0 Copyrght International Organizaionsandardizalonghts reserved ii ed without license from IHS Jser=Wing, Bernie ISO 11625:2007(E) Foreword IsO (the International Organization for Standardization) is a worldwide federation of national standards bodies technicalcommittees.Eachmemberbodyinterestedinasubjectforwhichatechnicalcommitteehasbeer established has the right to be represented on that committee. International organizations, governmental and 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. The main task of technical committees is to prepare International Standards. Draft International Standards 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 rights. ISO 11625 was prepared by Technical Committee ISO/TC 58, Gas cylinders, Subcommittee SC 4, Operational requirements forgas cylinders. This second edition cancels and replaces the first ed