ISO INTERNATIONAL STANDARD 13967 Second edition 2009-12-15 Thermoplastics fittings Determination of ring stiffness Raccords en matieres thermoplastiques Détermination de la rigidité annulaire Reference number ISO 13967:2009(E) @ ISO 2009 by IHS under lic Not for Resale ISO13967:2009(E) PDF disclaimer 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 accepts no liability in this area. Adobe is a trademark of Adobe Systems Incorporated. Details of the software products used to create this PDF fle 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 COPYRIGHT PROTECTED DOCUMENT ISO.2009 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 @ IS0 2009 - All rights reserved ed without license from IHS Not for Resale ISO 13967:2009(E) Contents Page Foreword i 1 Scop 2 Terms and definition 3 Symbols. 4 Principle. 5 Apparatu 6 Test pieces.. 6.1 Preparation.. 6.2 Number 6.3 Determination of dimensions 6.4 Age 7 Conditioning 8 Test temperatur 9 Procedure 10 Calculation of ring stiffness. 11 Test report. 11 Annex A (informative) Comments on the use of this test method. Bibliography Copyright internatinal organizaio far standardizalion ghts reserved ii nse from IHS Not for Resale