https://yse.yabesh.ir/std/handle/yse/190 2026-05-04T17:30:55Z https://yse.yabesh.ir/std/handle/yse/187135 AGA B109.2; Diaphragm Type Gas Displacement Meters (500 Cubic Feet per Hour Capacity and over) - Fourth Edition; XQ0009 AGA - American Gas Association This standard applies to diaphragm-type gas displacement meters, designed for revenue measurement of fuel gas, having a flow rating of 500 cubic feet per hour (14.16m(3)/h) capacity and over at 0.5 inch water column (125 Pa) differential pressure at standard conditions. <br> Part I comprises a list of definitions and terms used throughout the standard. <br> Part II covers the construction requirements for qualifying new-type meters in the designated flow-rate ranges. <br> Part III covers the performance requirements for qualifying new-type meters in the designated flow-rate ranges. <br> Part IV covers the "in-service" performance requirements for diaphragm-type meters in the designated flow-rate ranges. <br> Part V addresses installation requirements for these meters. <br> Part VI pertains to auxiliary devices used with meters covered by this standard. 2000-01-01T00:00:00Z https://yse.yabesh.ir/std/handle/yse/130417 AGA B109.3; Rotary-Type Gas Displacement Meters - XQ0010 AGA - American Gas Association This standard applies to rotary-type positive displacement meters designed for revenue measurement of fuel gas. <br>Part I comprises a list of definitions and terms used throughout the standard. <br>Part II covers the construction requirements for qualifying new-type rotary meters. <br>Part III covers the performance requirements for qualifying new meters and new-type rotary meters. <br>Part IV covers "in-service" performance requirements for rotary-type meters. <br>Part V addresses installation requirements for these meters. <br>Part VI pertains to auxiliary devices used with meters covered by this standard. <br>Part VII covers test methods and equipment. 2000-01-01T00:00:00Z https://yse.yabesh.ir/std/handle/yse/130034 AGA B109.1; Diaphragm Type Gas Displacement Meters (under 500 Cubic Feet Per Hour Capacity) - Fourth Edition; XQ0008 AGA - American Gas Association This standard applies to diaphragm-type gas displacement meters, designed for revenue measurement of fuel gas, having a flow rating of less than 500 cubic feet per hour (14.16m&#179;/h) capacity at 0.5 inch water column (125 Pa) differential pressure at standard conditions. <br>Part I comprises a list of definitions and terms used throughout the standard. <br>Part II covers the construction requirements for qualifying new-type meters in the designated flow-rate ranges. <br>Part III covers the performance requirements for qualifying new-type meters in the designated flow-rate ranges. <br>Part IV covers the "in-service" performance requirements for diaphragm-type meters in the designated flow-rate ranges. <br>Part V addresses installation requirements for these meters. <br>Part VI pertains to auxiliary devices used with gas meters covered by this standard. <br>Part VII covers test methods and equipment. 2000-01-01T00:00:00Z