ANSI HI HYDRAUL HI 7.1-7.5-2013 Controlled-Volume Metering Pumps for Nomenclature Definitions Application and Operation (A115).pdf

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1、6 Campus DriveFirst Floor NorthParsippany, New Jersey07054-4406 www.Pumps.org ANSI/HI7.17.5-2013American National Standard forControlled-Volume Metering Pumpsfor Nomenclature, Definitions, Application, and OperationANSI/HI 7.17.5-2013This page intentionally blank.ANSI/HI 7.17.5-2013American National

2、 Standard forControlled-Volume Metering Pumpsfor Nomenclature, Definitions,Application, and OperationSponsorHydraulic Institute, Inc.www.Pumps.org Approved August 12, 2013American National Standards Institute, Inc.Hydraulic Institute Standards, Copyright 1997-2013, All Rights ReservedApproval of an

3、American National Standard requires verification by ANSI that therequirements for due process, consensus and other criteria for approval have been metby the standards developer.Consensus is established when, in the judgement of the ANSI Board of StandardsReview, substantial agreement has been reache

4、d by directly and materially affectedinterests. 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 Standa

5、rds is completely voluntary; their existence doesnot 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

6、 develop standards and will in nocircumstances give an interpretation of any American National Standard. Moreover, noperson shall have the right or authority to issue an interpretation of an AmericanNational Standard in the name of the American National Standards Institute. Requestsfor interpretatio

7、ns should be addressed to the secretariat or sponsor whose nameappears on the title page of this standard.CAUTION NOTICE: This American National Standard may be revised or withdrawn atany time. The procedures of the American National Standards Institute require thataction be taken periodically to re

8、affirm, revise, or withdraw this standard. Purchasers ofAmerican National Standards may receive current information on all standards by call-ing or writing the American National Standards Institute.Published ByHydraulic Institute, Inc.6 Campus Drive, First Floor NorthParsippany, NJ 07054-4406www.Pum

9、ps.org Copyright 2013 Hydraulic InstituteAll 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 AmericaISBN 978-1-935762-09-6AmericanNationalStand

10、ardRecycledpaperHydraulic Institute Standards, Copyright 1997-2013, All Rights ReservediiiContentsPageForeword . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . vii7 Controlled-volume meteri

11、ng pumps . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17.0 General description of controlled-volume metering pumps . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17.1 Types and nomenclature. . . . . . . . . . . . . . . . . . .

12、 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17.1.1 Construction characteristics of controlled-volume metering pumps . . . . . . . . . . . . . . . . . . . . . . . . 17.1.2 Description of liquid ends . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

13、 . . . . . . . . . . . . . . . . . . . . . . 27.1.3 Drive and control mechanisms . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 57.1.4 Nomenclature . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

14、 . . . . . . . . . . . . . . . . . 87.2 Definitions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 117.2.1 Accuracy and performance. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

15、. . . . . . . . . . . . . . 117.2.2 Accuracy, steady state . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 117.2.3 Capacity, rate of flow . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

16、. . . . . . . . . . 117.2.4 Displacement (D) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 117.2.5 Efficiency, mechanical . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

17、. . . . . . 117.2.6 Efficiency, volumetric . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 127.2.7 Linearity . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

18、 . . . . . . 127.2.8 Net positive suction head available (NPSHA)/Net positive inlet pressure available (NPIPA). . . . 127.2.9 Net positive inlet pressure required (NPIPR)/Net positive suction head required (NPSHR). . . . . 127.2.10 Power, pump input . . . . . . . . . . . . . . . . . . . . . . . . .

19、. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 127.2.11 Power, pump output power (hydraulic horsepower) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 127.2.12 Pressure, acceleration (Pacc) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

20、. . . . . . . . . . . . . . . . . . . . 137.2.13 Pressure, differential. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 137.2.14 Pressure, discharge (pd) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

21、 . . . . . . . . . . . . . . . . 137.2.15 Pressure, discharge, rated . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 137.2.16 Pressure, friction loss (pf). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

22、. . . . . . . . . . . . 137.2.17 Pressure, suction (ps). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 137.2.18 Pressure, suction, maximum allowable (psmax). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

23、137.2.19 Pressure, suction, minimum allowable (MASP) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 137.2.20 Pressure, total system discharge . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 137.2.21 Repeatability . . . .

24、. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 137.2.22 Slip (S) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 137.2.23 Stroke length

25、 (L) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14Hydraulic Institute Standards, Copyright 1997-2013, All Rights Reservediv7.2.24 Stroke speed (n) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

26、. . . . . . . . . . . . . . . . . . . . . . . . . . 147.2.25 Stroke speed, maximum allowable . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 147.2.26 Stroke speed, minimum allowable . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

27、. . . . . . . . . . . . . 147.2.27 Suction, flooded . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 147.2.28 Suction lift, static. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

28、 . . . . . . . . . . . . . . 147.2.29 Suction lift, total. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 147.2.30 Temperature, maximum rated (tmax) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

29、. . . . . . . . . 147.2.31 Temperature, minimum rated (tmin) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 147.2.32 Turndown ratio . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

30、 . . 147.3 Application of controlled-volume metering pumps. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 167.3.1 Typical uses and industries. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 167.3.2 General princip

31、les. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 177.3.3 Sizing and selection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 197.3.4 System components .

32、. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 207.4 Installation, operation, and maintenance. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 217.4.1 Safety . . . . . . . . . . . . . . . . .

33、 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 217.4.2 Storage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 227.4.3 Location of pump . . . . . . .

34、. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 227.4.4 Foundation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 227.4.5 Installation. . . . . . . . . . .

35、 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 227.4.6 Inspection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24Appendix A Index . . . . . . . .

36、 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26Figures7.1 Basic elements of a controlled-volume metering pump. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17.1.2.1 Plunger pump . . .

37、 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27.1.2.2 Piston pump . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37.1.2

38、.3 Mechanically coupled disc diaphragm. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37.1.2.4a Hydraulic disc with contour plates . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47.1.2.4b

39、 Hydraulic disc with diaphragm positioning valve . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47.1.2.5 Hydraulic tubular diaphragm . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 57.1.2.6 Hydra

40、ulic conical diaphragm . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 57.1.3.1 Electromagnetic drive . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 67.1

41、.3.2 Reciprocating air drive. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 77.1.3.3 Fixed stroke-length drive . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

42、 . . . . . 77.1.3.4 Mechanical lost-motion drive. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8Hydraulic Institute Standards, Copyright 1997-2013, All Rights Reservedv7.1.3.5 Hydraulic lost-motion drive . . . . . . . . . . . . . .

43、 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 97.1.3.6 Variable stroke-length drive (non-lost-motion). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 97.3.1a Rate of flow versus pressure . . . . . . . . . . . . . .

44、 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 177.3.1b Flow profile for reciprocating pump . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 187.3.1c Actual flow curve, rate of flow versus stroke length .

45、. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 187.3.1d Theoretical and actual flow curve, rate of flow versus stroke length . . . . . . . . . . . . . . . . . . . . . . . . . . . 18Tables7.2a Symbols. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

46、. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 157.2b Subscripts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 167.4.6 Locating trouble: controlled-volume metering pum

47、ps. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24Hydraulic Institute Standards, Copyright 1997-2013, All Rights ReservedThis page intentionally blank.Hydraulic Institute Standards, Copyright 1997-2013, All Rights ReservedviiForeword (Not part of Standard)Purpose an

48、d aims of the Hydraulic InstituteThe purpose and aims of the Institute are to promote the continued growth and well-being of pump users and pumpmanufacturers and further the interests of the public in such matters as are involved in manufacturing, engineering,distribution, safety, transportation, an

49、d other problems of the industry, and to this end, among other things:a) To develop and publish standards for pumps;b) To collect and disseminate information of value to its members and to the public;c) To appear for its members before governmental departments and agencies and other bodies in regard to mat-ters affecting the industry;d) To increase the amount and to improve the quality of pump service to the public;e) To support educational and research activities;f) To promote the business interests of its members but not to engage in

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