ISO INTERNATIONAL STANDARD 14847 First edition 1999-04-01 Rotary positive displacement pumps - Technical requirements Pompes volumétriques a mouvement rotatif Prescriptions techniques [So Reference number ISO 14847:1999(E) ISO 14847:1999(E) Foreword IsO (the International Organization for Standardization) is a worldwide federationofnationalstandardsbodies(lsOmemberbodies).Theworkof preparing International Standards is normally carried out through IsO technical committees. Each member body interested in a subject for which a technical committee has been 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 (EC)onallmattersofelectrotechnicalstandardization. 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. International Standard dISO 14847was s prepared by the European Committee for Standardization (CEN) in collaboration with ISO Technical Committee ISO/TC 115, Pumps, Subcommittee SC 1, Dimensions and technical specifications of pumps, in accordance with the Agreement on technical cooperation between ISO and CEN (Vienna Agreement). Throughout the text of this standard, read "...this European Standard..." to mean"...thisInternationalStandard...". @ISO1999 All rights reserved. Unless otherwise specified, no part of this publication may be reproduced microfilm, without permission in writing from the publisher. InternationalOrganizationforStandardization Case postale 56 . CH-1211 Geneve 20 · Switzerland Internet [email protected] Printed in Switzerland ISO 14847:1999(E) @ ISO Contents Page Foreword iv Introduction v 1 Scope 1 2 Normative references 1 3 Definitions 3 4 Information and requirements to be confirmed, agreed and documented 3 5 Fitness for purpose 4 6 Pump design 4 7 Auxiliary equipment 8 8 Noise 10 9 Installation and maintenance 10 10 Materials, welding and repairs 10 11 Surface protection 12 12 Nameplates and marking 12 13 Preparation for dispatch 12 Annex A (informative) Data sheet 14 Annex ZZ (informative) Corresponding International and European Standards for which equivalents are not given in the text 17 ili