ISO INTERNATIONAL STANDARD 10524-2 Second edition 2018-01 Pressure regulators for use with medical gases - Part 2: Manifold and line pressure regulators Detendeurs pour I'utilisation avec les gaz medicaux- Partie2:Detendeursderampes et decanalisations Reference number IS010524-2:2018(E) ISO @IS0 2018 IS010524-2:2018(E) COPYRIGHTPROTECTEDDOCUMENT IS02018 All rights reserved. Unless otherwise specified, or required in the context of its implementation, no part of this publication may be reproduced or utilized otherwise in any form or by any means, electronic or mechanical, including photocopying, or posting below or Iso's member body in the country of the requester. ISO copyright office CP 401 : Ch.de Blandonnet 8 CH-1214 Vernier, Geneva, Switzerland Tel. +41 22 749 01 11 Fax+4122 749 09 47 [email protected] www.iso.org Published in Switzerland ii @ IS0 2018 - All rights reserved IS010524-2:2018(E) Contents Page Foreword ..V Introduction. ..vi 1 * Scope. 2 Normative references 3 Terms and definitions 4 Nomenclature 5 General requirements. 5.1 Safety .4 5.2 Usability. 5.3 Alternative construction 4 5.4 Materials. Design requirements. 6 6.1 General. .6 6.2 PRESSURE GAUGES. 6.3 Integrated digital gauges. .6 6.4 Pressure-adjusting device .6 6.5 Filtration .7 .1 6.6 Mechanical strength 6.6.1 Resistance of the high-pressure side 7 6.6.2 Resistanceofthelow-pressuresidetopneumaticpressure .7 6.6.3 ResistanceofthelowpressuresidetoPi 77 6.7 Endurance. 6.8 MANIFOLD PRESSURE REGULATORS .8 6.8.1 * Inlet connector. .8 8 6.8.2 Outlet connector. 6.8.3 Leakage .8 6.8.4 FunctionalandFLOWCHARACTERISTICS ..8 6.8.5 PRESSURE-RELIEFDEVICE 9 6.8.6 *Resistance to ignition. 9 6.8.7 NOMINAL INLET PRESSURE .9 6.9 LINE PRESSURE REGULATORS. 9 6.9.1 * Inlet connector. .9 6.9.2 Outlet connector. 9 6.9.3 Leakage. 6.9.4 Outlet pressure variation limits .10 6.9.5 * Resistance to ignition of sealing materials and lubricants ..10 6.9.6 NOMINAL INLET PRESSURE .10 7 Constructionrequirements ..10 7.1 *Cleanliness ..10 7.2 Lubricants. .10 8 Test methods for type tests. ..11 8.1 General conditions. ..11 8.1.1 General. .11 8.1.2 Ambient conditions ..11 8.1.3 Test gas. .11 8.1.4 Reference conditions. .11 ..11 8.2 Test schedule 8.3 Test methods forMANIFOLD PRESSUREREGULATORS .13 8.3.1 Test equipment for functional and FLOW CHARACTERISTICS .13 8.3.2 Test method for determining STANDARD DISCHARGE, Q1 13 8.3.3 Test methodfor determiningthe coefficient ofpressure increaseupon closure.14 @ IS0 2018 -All rights reserved iii