ISO INTERNATIONAL STANDARD 17874-5 First edition 2007-02-01 Remote handling devices for radioactive materials . Part 5: Remote handling tongs Dispositifs demanipulation adistancepourmateriaux radioactifs- Partie5:Pincesdemanipulationadistance Reference number ISO 17874-5:2007(E) @ISO 2007 Copyright Intemational Organization for Standardization without license from IHS ISO 17874-5:2007(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 file can be found in the General Info relative to the file; the PDF-creation the unlikely event that a problem relating to it is found, please inform the Central Secretariat at the address given below. ISO 2007 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-1211Geneva 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 rds 1/9972545001 without license from IHS ISO 17874-5:2007(E) Contents Page Foreword. Introduction 1 Scope 2 Normativereferences 3 Terms and definitions.. 4 Generalfeatures and classification 4.1 General... 4.2 Classification and mode of use...... 4.2.1 Horizontal remote handling tongs 4.2.2 Vertical remote handling tongs.. 4.3 Kinematics... 4.3.1 4.3.2 Horizontal remote handling tongs ... 4.3.3 Vertical remote handling tongs.. 5 Basic selection criteria.. 11 5.1 General criteria... 5.2 Particular criteria 12 5.2.1 General.. 12 5.2.2 Main characteristics of remote handling tongs.... 12 5.2.3 Installationofhorizontal remotehandlingtongs 13 5.3 Leak-tightness and protection against contamination........ 5.3.1 General. 15 5.3.2 Gaiter material... 16 5.3.3 Gaiters mounted on interchangeable support rings. 16 5.3.4 Leak-tight couplings....... 18 5.4 Maintenance 18 5.4.1 Removal of remote handling tongs..... 18 5.4.2 Replacement of gaiters...... 18 5.5 Shielding... 18 5.6 Tongs units.... 19 6 Examples of special handling tongs.... .20 6.1 Remote handling tongs for repetitive movements...... 20 6.2 Articulated remote handling tongs used for delicate work.. 7 Accessories...... Annex A (normative) Sphere units. Annex B (informative)Tongs jaws.. Annex C (informative) Accessories...... Annex D (informative) Gaiters for remote handling tongs... Annex E (informative)Replacement of gaiters for remote handling tongs..... AnnexF (informative)Relationship between the characteristics of the remote handling tongs and the operating volume.. ii Copyraght Intemational Oorganizaionfstandardalon'ghts reserved ISO 17874-5:2007(E) Foreword IsO (the International Organization for Standardization) is a worldwide federation of national standards bodies International Electrotechnical Commission (IEC) on all matters of electrotechnical standardization. InternationalStandardsaredrafted inaccordancewiththerulesgivenintheISO/lECDirectives,Part2 The main task of technical committees is to prepare International Standards. Draft International Standards adoptedbythetechnical committeesarecirculatedtothememberbodiesforvoting.Publicationasan 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 17874-5 was prepared by Technical Committee ISO/TC 85, Nuclear energy, Subcommittee SC 2, Radiationprotection. IsO 17874 consists of the following part