ANSI_B109.3-2000.pdf

STD.AGA B109.3-ENGL 200090088360001409708CONTENTSCONTENTSDISCLAIMER AND COPYRIGHT.进PREFACEwHISTORY OF THE DEVELOPMENT OF THIS STANDARDACCREDITED STANDARDS COMMITTEE B109.SCOPE.PART I.44442DEFINITIONS.2PART II.7CONSTRUCTION REQUIREMENTS FOR QUALIFYING NEW TYPE METERS72.1 SCOPE.2.2 DIMENSIONS2.3 MAXIMUM ALLOWABLE OPERATING PRESSURE(MAOP)2.4 STRENGTH OF METER CONNECTIONS&2.5 METER INDEX WINDOW IMPACT RESISTANCE TESTS.82.6 DESON SAFETY FACTOR82.7 DIFFERENTIAL PRESSURE TAPS82.8 METER IDENTIFICATION.92.9 FLOW DIRECTION IDENTIFICATION92.10 METER OUTPUT REGISTRATION IDENTIFICATION.92.11 PROTECTION OF METERS.92.12 MECHANICAL METER INDEX92.13 CORROSION AND CHEMICAL RESISTANCE OF INTERNAL PARTS102.14 CORROSION AND CHEMICAL RESISTANCE OF EXTERNAL PARTS102.15 TEMPERATURE RESISTANCE TEST.11PART In.12PERFORMANCE REQUIREMENTS FOR QUALIFYING NEW METERS AND NEW-TYPE METERS.123.1 SCOPE123.2 RATED CAPACITY123.3 ACCURACY.123.4 NOISE AND VIBRATION.123.5 STARTING RATE TEST FOR NEW TYPE METERS133.6 PRESSURE AND LEAK TEST CONDITIONS FOR NEW METERS133.7 DIFFERENTIAL PRESSURE TEST CONDITIONS13PART IV14IN-SER VICE PERFORMANCE144.】SCOPE144.2 TEST CONDITIONS144.3 IN-SERVICE PERFORMANCE PROGRAMS14PART V.15METER INSTALLATION155.1 SCOPE55.2 GENERAL155.3 LOCATION155.4 INSTALLATION.155.5 METER SHUT OFF165.6 METER SUPPORT165.7 METER SIZING.165.8 SPACING OF METERS165.9 IDENTIFICATION.165.10 ON-SITE INSPECTION165.11 SPECIAL SERVICE165.12 DUAL METER INSTALLATIONS16PART VI.17AUXILIARY DEVICES FOR GAS METERS176.1 SCOPE176.2 PRESSURE SYSTEM196.3 TEMPERATURE SYSTEM196.4 VOLUME INDICATOR21Not for ResaleSTD.AGA B109.3-ENGL 2000900883b000141042T6.5 INSTRUMENT CHART DRIVES6.6 CIRCULAR CHARTS.6.7 RECORDERS.246.8 AUTOMATIC INTEGRATORS6.9 CONSTANT-PRESSURE-COMPENSATING INDEX6.10 REMOTE METER READING DEVICES.5266.1】NSTRUMENT ADAPTOR PLATES26.12 INSPECTION AND TESTING CLASSIFICATIONPART VII.30TEST METHODS AND EQUIPMENT7.1 SCOPE.37.2 MEASUREMENT REFERENCE BASE.7.3 UNITS OF MEASURE7.4 BASE CONDITIONS307.5 METER TESTING SYSTEMS.7.6 CALIBRATION OF METER TESTING SYSTEMS34APPENDIX A.DIFFERENTIAL TESTINGAPPENDIX B.3METER ACCURACYAPPENDIX C.BAR CODE FOR METERS AND AUXILIARY DEVICES3APPENDIX D.PROVER BELL CALIBRATION BY PHYSICAL MEASUREMENT39itled without license from IHSNot for Resale