ANSI_B109.2-2000.pdf

STD.A6AB109.2-ENGL200090088360001350125First Edition-1973Second Edition-1986Third Edition-1992Fourth Edition-2000American Gas Association400 North Capitol St.,NW,4h FloorWashington,DC 20001U.S.A.Catalog No.XQ0009ApprovedApril 13,2000AMERICAN NATIONAL STANDARDS INSTITUTE,INC.Copyright 2000,American Gas AssociationAll rights reservedCopyright American Gas AssociationNot for ResaleSTD.AGAB109.2-ENGL200090088360001351061CONTENTSCONTENTSiDISCLAIMER AND COPYRIGHT.进PREFACEivHISTORY OF THE DEVELOPMENT OF THIS STANDARDACCREDITED STANDARDS COMMITTEE B109.SCOPE.PARTI2DEFINITIONS2PART7CONSTRUCTION REQUIREMENTS FOR QUALIFYING NEW-TYPE METERS.2】SC0PE2.2 DIMENSIONS.2.3 METER IDENTIFICATION.92.4 DIAPHRAGM IDENTIFICATION.102.INLET IDENTIFICATION1026 PROTECTON OF METERS.2.7 METER INDEX.102.8 CORROSION AND CHEMICAL RESISTANCE OF INTERNAL PARTS112.9 CORROSION AND CHEMICAL RESISTANCE OF EXTERNAL PARTS2.10 METER INDEX WINDOW IMPACT RESISTANCE.122.11 METER INDEX WINDOW CLEARNESS TEST.2.12 TEMPERATURE AND THERMAL SHOCK RESISTANCE.22.13 STRENGTH OF METER CONNECTIONS13PART14PERFORMANCE REQUIREMENTS FOR QUALIFYING NEW-TYPE METERS143.1 SCOPE.143.2 METER CLASSES.143.3 ACCURACY OF METERS.163.4 METER CASE PRESSURE TEST.173.5 PRESSURE AND LEAK TESTS.183.6 NOISE AND VIBRATION18PART IV.19IN-SERVICE PERFORMANCE.194.1 SCOPE.194.2 TEST CONDITIONS194.3 IN-SERVICE PERFORMANCE PROGRAMS194.4 RECORDS20PARTV21METER INSTALLATION215.1 SCOPB215.2 GENERAL215.3 LOCATION.215.4 INSTALLATION215.5 ON-SITE INSPECTION.25.6 SPECIAL SERVICE.PART VI.23AUXILIARY DEVICES FOR GAS METERS26.1 SCOPE.2362 PRESSURE SYSTEM246.3 TEMPERATURE SYSTEMS.56.4 VOLUME INDICATOR.276.5 INSTRUMENT CHART DRIVES26.6 CIRCULAR CHARTS.76.7RECORDERS.29No reproduction or networking permitted without license from IHSNot for ResaleSTD.AGAB109.2-ENGL2000900883b0001353934DISCLAIMERS AND COPYRIGHTNothing contained in this ANSI standard is to be construed as granting any right,by implication or otherwise,for themanufacture,sale or use in connection with any method,apparatus or product covered by letters patent,or as insuringanyone against liability for infringement of leters patent.This standard may be used by anyone desiring to do so.Efforts have been made to ensure the accuracy and reliability of thedata contained in this publication;however,ANSI and AGA make no representation,warranty or guarantee in connectionwith this standard and hereby expressly disclaim any liability or responsibiliry for loss or damage resulting from its use:forany violation of any federal,state or municipal regulation with which this standard may conflict;or for the infringement ofany patent from the use of this standard.Nothing contained in this standard should be viewed as an endorsement byANSI/AGA of any particular manufacturers products.Permission is granted to republish material herein in laws or ordinances,and in regulations,administrative orders,orsimilar documents issued by public authorities.Those desiring permission for other publication should consult the Operatingand Engineering Section,American Gas Association,400 North Capitol Street,NW.4h Floor,Washington,DC 20001,U.S.A.Copyright 2000 American Gas Association,All Rights Reservedgaprgt6eriaGa5Asocinon出Not for Resale