_RP_11AR-2000_2020.pdf

Recommended Practice for Care and Use of Subsurface PumpsAPI RECOMMENDED PRACTICE 11ARFOURTH EDITION,JUNE 2000ERRATA,DECEMBER 2013 REAFFIRMED,FEBRUARY 2020Recommended Practice for Care and Use of Subsurface PumpsUpstream SegmentAPI RECOMMENDED PRACTICE 11ARFOURTH EDITION,JUNE 2000ERRATA,DECEMBER 2013REAFFIRMED,FEBRUARY 2020 SPECIAL NOTES API publications necessarily address problems of a general nature.With respect to partic-ular circumstances,local,state,and federal laws and regulations should be reviewed.API is not undertaking to meet the duties of employers,manufacturers,or suppliers towarn and properly train and equip their employees,and others exposed,concerning healthand safety risks and precautions,nor undertaking their obligations under local,state,or fed-eral laws.Information concerning safety and health risks and proper precautions with respect to par-ticular materials and conditions should be obtained from the employer,the manufacturer orsupplier of that material,or the material safety data sheet.Nothing contained in any API publication is to be construed as granting any right,byimplication or otherwise,for the manufacture,sale,or use of any method,apparatus,or prod-uct covered by letters patent.Neither should anything contained in the publication be con-strued as insuring anyone against liability for infringement of letters patent.Generally,API standards are reviewed and revised,reaffirmed,or withdrawn at least everyfive years.Sometimes a one-time extension of up to two years will be added to this reviewcycle.This publication will no longer be in effect five years after its publication date as anoperative API standard or,where an extension has been granted,upon republication.Statusof the publication can be ascertained from the API Upsstream Segment telephone(202)682-8000.A catalog of API publications and materials is published annually and updatedquarterly by API,1220 L Street,N.W.,Washington,D.C.20005.This document was produced under API standardization procedures that ensure appropri-ate notification and participation in the developmental process and is designated as an APIstandard.Questions concerning the interpretation of the content of this standard or com-ments and questions concerning the procedures under which this standard was developedshould be directed in writing to the general manager of the Upstream Segment,AmericanPetroleum Institute,1220 L Street,N.W.,Washington,D.C.20005.Requests for permissionto reproduce or translate all or any part of the material published herein should also beaddressed to the general manager.API standards are published to facilitate the broad availability of proven,sound engineer-ing and operating practices.These standards are not intended to obviate the need for apply-ing sound engineering judgment regarding when and where these standards should beutilized.The formulation and publication of API standards is not intended in any way toinhibit anyone from using any other practices.Any manufacturer marking equipment or materials in conformance with the markingrequirements of an API standard is solely responsible for complying with all the applicablerequirements of that standard.API does not represent,warrant,or guarantee that such prod-ucts do in fact conform to the applicable API standard.All rights reserved.No part of this work may be reproduced,stored in a retrieval system,or transmitted by any means,electronic,mechanical,photocopying,recording,or otherwise,without prior written permission from the publisher.Contact the Publisher,API Publishing Services,1220 L Street,N.W.,Washington,D.C.20005.Copyright 2000 American Petroleum Institute FOREWORD Jurisdiction.This recommended practice(RP)is under the jurisdiction of the AmericanPetroleum Institute(API)Committee on Standardization of Production Equipment.Purpose.This document presents recommended practices for the care and use of subsur-face pumps.American Petroleum Institute(API)Recommended Practices are published to facilitatethe broad availability of proven,sound engineering and operating practices.These Recom-mended Practices are not intended to obviate the need for applying sound judgment as towhen and where these Recommended Practices should be utilized.Attention Users of This Publication:Portions of this publication have been changedfrom the previous edition.The location of changes has been marked with a bar in the margin.In some cases the changes are significant,while in other cases the changes reflect minor edi-torial adjustments.The bar notations in the margins are provided as an aid to users to identifythose parts of this publication that have been changed from the previous edition,but APImakes no warranty as to the accuracy of such bar notations.Note:This is the third edition of this API Recommended Practice.It was authorized by theCommittee on Standardization of Production Equipment at the 1988 Standardization Con-ference as reported in Circ PS-1858,and subsequently approved by letter ballot.The fo