AGA - ANSI B109.2
DIAPHRAGM-TYPE GAS DISPLACEMENT METERS (500 Cubic Feet Per Hour Capacity and Over)
|Publication Date:||1 January 2020|
This standard applies to diaphragm-type gas displacement meters, designed for revenue measurement of fuel gas, having a flow rating of greater than 500 cubic feet per hour (14.16 m3/h) capacity at 0.5-inch water column (125 Pa) differential pressure at base conditions.
Part I comprises a list of definitions and terms used throughout the standard.
Part II covers the construction requirements for qualifying new-type meters in the designated flow-rate ranges.
Part III covers the performance requirements for qualifying new-type meters in the designated flow-rate ranges.
Part IV covers the "in-service" performance requirements for diaphragm-type meters in the designated flow-rate ranges.
Part V addresses installation requirements for these meters.
Part VI pertains to auxiliary devices used with meters covered by this standard.
Part VII covers test methods and equipment.