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ANSI/HI 12.1-12.6-2005 ANSI/HI 12.1-12.6-2005 American National Standard for Rotodynamic (Centrifugal) Slurry Pumps for Nomenclature, Defi nitions, Applications, and Operation 6 Campus Drive First Floor North Parsippany, New Jersey 07054-4406 www.Pumps.org This page intentionally blank. Hydraulic Institute Standards, Copyright 1997-2009, All Rights Reserved ANSI/HI 12.1-12.6-2005 American National Standard for Rotodynamic (Centrifugal) Slurry Pumps for Nomenclature, Definitions, Applications, and Operation Sponsor Hydraulic Institute www.Pumps.org Approved May 31, 2005 American National Standards Institute, Inc. Recycled paper Hydraulic Institute Standards, Copyright 1997-2009, All Rights Reserved Approval of an American National Standard requires verification by ANSI that the requirements for due process, consensus, and other criteria for approval have been met by the standards developer. Consensus is established when, in the judgement of the ANSI Board of Standards Review, substantial agreement has been reached by directly and materially affected interests. Substantial agreement means much more than a simple majority, but not nec- essarily unanimity. Consensus requires that all views and objections be considered, and that a concerted effort be made toward their resolution. The use of American National Standards is completely voluntary; their existence does not in any respect preclude anyone, whether he has approved the standards or not, from manufacturing, marketing, purchasing, or using products, processes, or proce- dures not conforming to the standards. The American National Standards Institute does not develop standards and will in no circumstances give an interpretation of any American National Standard. Moreover, no person shall have the right or authority to issue an interpretation of an American National Standard in the name of the American National Standards Institute. Requests for interpretations should be addressed to the secretariat or sponsor whose name appears on the title page of this standard. CAUTION NOTICE: This American National Standard may be revised or withdrawn at any time. The procedures of the American National Standards Institute require that action be taken periodically to reaffirm, revise, or withdraw this standard. Purchasers of American National Standards may receive current information on all standards by call- ing or writing the American National Standards Institute. Published By Hydraulic Institute 6 Campus Drive, First Floor North Parsippany, NJ 07054-4406 www.Pumps.org Copyright 2005 Hydraulic Institute All rights reserved. No part of this publication may be reproduced in any form, in an electronic retrieval system or otherwise, without prior written permission of the publisher. Printed in the United States of America ISBN 1-880952-61-0 American National Standard Hydraulic Institute Standards, Copyright 1997-2009, All Rights Reserved iii Contents Page Foreword . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ix 12Rotodynamic (centrifugal) slurry pumps . . . . . . . . . . . . . . . . . . . . . . . 1 12.0Scope . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 12.1Objective. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 12.1.1Introduction. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 12.1.2Pump types and nomenclature. . . . . . . . . . . . . . . . . . . . . . . . . . . 1 12.1.3Definition of slurry. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 12.1.4Definition of slurry pumps. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 12.1.5Overhung impeller . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 12.1.6Frame mounted . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 12.1.7Cantilevered wet pit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 12.1.8Submersible . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 12.1.9Lined type. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 12.1.10Unlined type . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 12.1.11Construction drawings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 12.1.12Part names. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20 12.1.13Letter dimensional designations. . . . . . . . . . . . . . . . . . . . . . . . . 27 12.2Definitions. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27 12.2.1Rate of flow (Q) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27 12.2.2Speed (n) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27 12.2.3Head (H). . . . . . . . . .

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See Also

"Disposizioni per la formazione del bilancio annuale e pluriennale dello Stato (legge finanziaria 2007)"Restaurant Equipment Certification Marks ExplainedEl cuidado de enfermería ante los procesos quirúrgicos estéticosOSHA Announces Lockout/Tagout and Standards Improvement Project Developments | JD Supra

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