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ANSI B109.2 January 1, 2000
Complete Document
Active, Most Current
Diaphragm Type Gas Displacement Meters (500 Cubic Feet per Hour Capacity and over)
Includes all amendments and changes through Reaffirmation Notice , 2008
Additional Comments: XQ0009
Page Count:62
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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.

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.