pec_11P-1989_scan.pdf

Specification for Packaged Reciprocating Compressors for Oil and Gas Production Services API SPECIFICATION 11P(SPEC 11PJ SECOND EDITION,NOVEMBER 1,1989 American Petroleum rnstifufe 1i20 L Street,Northwest Wl!Shlngton,DC 20005 JPIssued by AMERICAN PETROLEUM INSTIT UTE Poduetion Departmen t FOR INFORMATION CONCERN ING TECHNICAL CONTENTS OF THIS PUBLICAT ION CONTACT THE API PRODUCT ION DEPARTMENT,2535 ONE MA IN PLACE,DALLAS,TX 75202-(214)748-3841.SEE BACK SIDE FOR INFORMAT ION CONCERNING HOW TO OBTA IN ADDITIONAL COPIES OF THIS PUBLICAT ION.Users of this publication should become familiar with its scope and content,including any provisions It may have regarding marking of manufac tured products.This document Is Intended to supplement rather than replace Individua l engineering judgment.Copyright 1989 American Petroleum Institute OFFICIAL PUBLICAT ION REG.U.S.PATENT OFFICE 2 Note:American Petroleum Institute TABLE OF CONTENTS Page Policy.3 Foreword.4 Section 1:General.7 Section 2:Compressor.9 Section 3:Capacity Control.16 Section 4:Prime Mover.18 Section 5:Cooling System.21 Section 6:Pressure Vessels.24 Section 7:Piping and Appurtenances.26 Section 8:Electrical Systems.29 Section 9:Instruments and Controls.30 Section 10:Shutdowns,Alarms,and Annunciators.32 Section 11:Skids.33 Section 12:Paint and Painting.34 Section 13:Inspection,Testing,and Preparation for Shipment.35 Section 14:Marking.37 Section 15:Corrosive Gases-H2S and CO2.38 Section 16:Offshore and/or Marine Environment.40 Appendix A:Excerpt from GPSA Engineering Data Book.42 Appendix B:List of Authorized Packagers.44 Appendix C:Use of API Monogram.44 Appendix D:API Packaged Compressor Data Sheets Part 1-Service Conditions.45 Appendix E:API Packaged Compressor,Data Sheets,Part 2-,-Packagers Design.61 Attention Users of This Publication:Portions of this publication have been changed from the previous edi-tion.The location of changes has been marked with a bar in the margin.In some cases the changes are sig-nificant,while in other cases the changes reflect minor editorial adjustments.T-he bar notations in the margins are provided as an aid to users to identify those parts of this publication that have been changed from the pre-vious edition,but API makes no warranty as to the accuracy of such bar notations.This edition supersedes the first edition dat.ed Febru-ary 1975.It includes changes adopted by special Jett.er ballot dated January 5,1988.Requests for permission to reprodt1ce,n-translate all or part of the-niaterial published herein should be addtessed to the Director,Production Departme11t,2585 One Main Place,Dallas TX 7520J-8904.Spec llP:Packaged Reciprocating Compressors for Oil and Gas Production Services 8 POLICY API PUBLICATIONS NECESSARILY ADDRESS PROBLEMS OF A GENERAL NATURE.WITH RESPECT TO PARTICULAR CIRCUMSTANCES,LOCAL.STATE AND FEDERAL LAWS AND REG-ULATIONS SHOULD BE REVIEWED.API IS NOT UNDERTAKING TO MEET DUTIES OF EMPLOYERS.MANUFACTURERS OR SUP-PLIERS TO WARN AND PROPERLY TRAIN AND EQUIP THEIR EMPLOYEES,AND OTHERS EX-POSED,CONCERNING HEALTH AND SAFETY RISKS AND PRECAUTIONS,NOR UNDERTAKING THEIR OBLIGATIONS UNDER LOCAL,STATE.OR FEDERAL LAWS.NOTHING CONTAINED IN ANY API PUBLICA-TION IS TO BE CONSTRUED AS GRANTING ANY RIGHT,BY IMPLICATION OR OTHERWISE,FOR THE MANUFACTURE.SALE,OR USE OF ANY METHOD.APPARATUS,OR PRODUCT COVERED BY LETTERS PATENT.NEITHER SHOULD ANY-THING CONTAINED IN THE PUBLICATION BE CONSTRUED AS INSURING ANYONE AGAINST LIABILITY FOR INFRINGEMENT OF LETTERS PATENT.GENERALLY,AP1 STANDARDS ARE REVIEWED AND REVISED,REAFFIRM ED.OR WITHDRAWN AT LEAST EVERY F1VE YEARS.SOMETIMES A ONE-TIME EXTENSION OF UP TO TWO YEARS WILL BE ADDED TO THIS REVIEW CYCLE.THIS PUBLICATION WILL NO LONGER BE IN EFFECT FIVE YEARS AFTER ITS PUBLICATION DATE AS AN OPERATIVE API STANDARD OR,WHERE AN EXTENSION HAS BEEN GRANTED,UPON REPUBLICATION.STATUS OF THE PUBLICA-TION CAN BE ASCERTAINED FROM THE API AUTHORING DEPARTMENT(TEL.214-748-3841).A CATALOG OF API PUBLICATIONS AND MATE-RIALS IS PUBLISHED ANNUALLY AND UP-DATED QUARTERLY BY API.1220 L ST.,N.W.,WASHINGTON,DC 20005.4 American Petroleum Institute FOREWORD a.This Specification is under the jurisdiction of the API Committee on Standardization of Production Equipment.b.American Petroleum Institute(API)Specifications are published as aids to the procurement of standard-ized equipment and materials,as well as instructions to manufacturers of equipment or materials covered by an API Specification.These Specifications are not intended to obviate the need for sound engineering,nor t.o inhibit in any way anyone from purchasing or producing prod-ucts to other specifications.c.The formulation and publication of API Specifica-tions and the API monogram program is not intended in any way to inhibit the purchase of products from companies not licensed to use the API monogram.d.API Specifications may be used by anyone desiring to do so,and diligent effort has been made by the Insti-tute to assure the accuracy and reliab