Ansi Hi 1.1 1.2 2000 Centrifugal Pumps

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Transcript of Ansi Hi 1.1 1.2 2000 Centrifugal Pumps

ANSI/HI 1.1-1.2-2000 I . i. l:{ If, American National Standard for Centrifugal Pumps for Nomenclature and Definitions ilt1rl- -tn- I I Ilfi 1111111111 1111111111111 1 *e07344* I ------------.;. 9 Sylvan Way Parsippany, New Jersey 07054-3802 www.pumps.org 8 0 r, " .')'':'; 'i Sponsor Hydraulic Institute www.pumps.org Approved August 11, 1999 ANSI/HI 1.1-1.2-2000 .... American National Standard for Centrifugal Pumps for Nomenclature and Definitions American National Standards Institute, Inc. (\ Recycled ., paper American National Standard Published By 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 CAUTION NOTICE: This American National Standard may be revised or withdrawn at any time.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. Hydraulic Institute 9 Sylvan Way, Parsippany, NJ 07054-3802 www.pumps.org Copyright 2000 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 1-880952-27-0 ( Contents Page Foreword . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. vii 1 Centrifugal pumps 1.1 Types and nomenclature ...................................... . 1.1.1 Scope ................................................... . 1.1.2 Definition of a centrifugal pump .............................. . 1.1.3 Types of kinetic pumps ..................................... . 1.1.4 Impeller designs. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 1.1.5 Construction drawings ...................................... 4 1.1.6 General information ........ . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25 1.1.7 Centrifugal pumps nomenclature . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27 1.2 Definitions................................................. 55 1.2.1 Rate of flow (capacity) .. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55 1.2.2 Speed.................................................. 55 1.2.3 Head................................................... 55 1.2.4 Condition pOints . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 58 1.2.5 Suction conditions ...................................... , .. 58 1.2.6 Power.................................................. 58 1.2.7 Pump pressures. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 60 1.2.8 Impeller balancing. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 60 Appendix A References.......................................... 62 Appendix B Index ................................... ........... 63 Figures 1.1 - Kinetic type pumps ....... : . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 1 1.2 - Comparison of pump profiles ................................... 3 1.3 - Radial flow pump. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 1.4 - Mixed flow pump. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 3 1.5 - Axial flow pump ............................................. 4 1.6 - Overhung impeller - close couple single stage - end suction .......... 4 1.7 - Overhung impeller - close coupled single stage - diffuser style-end suction - submersible ............................. : . . . . . . . . . . . . 5 1.8 - Overhung impeller - close coupled single stage - submersible . . . . . . . . 6 1.9 - Overhung impeller - close coupled single stage - in-line (showing seal and packing) ......................................... 7 iii 1.10 - Overhung impeller - separately coupled single stage - in-line -flexible coupling. .. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 8 1.11 - Overhung impeller - separately coupled single stage - in-line -rigid coupling . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 9 1.12 - Overhung impeller - separately coupled single stage -frame mounted .. ' ................. : . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 10 1.13 - Overhung impeller - separately coupled single stage -frame mounted - lined pump. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 11 1.14 - Overhung impeller - separately coupled single stage -centerline support - API 610 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 12 1.15 - Overhung impeller - separately coupled single stage -frame mounted - ANSI 873.1 ...................................... 13 1.16 - Overhung impeller - separately coupled single stage -wet pit volute ................................................. " 14 1.17 - Overhung impeller - separately coupled single stage -axial flow - horizontal. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 15 1.18 - Impeller between bearings - separately coupled -single stage - axial (horizontal) split case. . . . . . . . . . . . . . . . . . . . . . . . . . . .. 16 1.19 - Impeller between bearings - separately coupled -single stage - raoial (vertical) split case ., . . . . . . . . . . . . . . . . . . . . . . . . . . .. 17 1.20 - Impeller between bearings - separately coupled -multistage axial (horizontal) split case. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 18 1.21 - Impeller between bearings - separately coupled -multistage radial (vertical) split case . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 19 1.22 -Impeller between bearings - separately coupled-multistage radial (vertical) split - double casing ......................... 20 1.23 - Overhung impeller - separately coupled single stage -frame mounted - mixed flow ......................... ; ............. 21 1.24 - Regenerative turbine - side channel single stage ................. 22 1.25 - Regenerative turbine - peripheral single stage. . . . . . . . . . . . . . . . . . . 22 1.26 - Regenerative turbine - impeller between bearings - two stage . . . . . . 23 1.27 - Overhung impeller - separately coupled single stage-frame mounted - self-priming ...................................... 24 1.28 - Pump shaft rotation. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 26 1.29 - Horizontal pump rotation. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26 1.30 - Vertical pump rotation. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 26 1.31 - Overhung impeller - separately coupled - single stage-frame mounted. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 39 1.32 - Overhung impeller - separately coupled - single stage -frame mounted - pump on base plate. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40 1.33 - Overhung impeller - separately coupled single stage -centerline mounted .............................................. 41 1.34 - Overhung impeller - separately coupled single stage -centerline mounted - pump on base plate. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42 iv ( 1.35 - Overhung impeller - separately coupled single stage -centerline mounted (top suction) .................................... 43 1 .36 - Overhung impeller - separately coupled single stage -centerline mounted pump on base plate (top suction) .................... 44 1.37 - Impeller between bearings - separately coupled -single stage axial (horizontal) split case pump on base plate .............. 45 1.38 - Impeller between bearings - separately coupled -single stage axial (horizontal) split case ............................... 46 1.39 - Overhung impeller - close coupled - single stage - end suction ..... 47 1.40 - Overhung impeller - separately coupled - single stage -frame mounted (vertically mounted) .................................. 47 1.41 - Stuffing-box area .........................