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Title: Future Development Of Orifice Standards
Author: Edgar E. Buxton
Source: 1981 Appalachian Gas Measurement Short Course
Year Published: 1981
Abstract: Orifice meter measurement of natural gas has been in accordance with general practices rather than standards until the last five years. Orifice coefficients published in the late 1920s as American Gas Association (A.G.A.) Committee Report No. 1 serve as the beginning of our present orifice meter standards. The Ohio State data, known as the Columbus tests conducted in 1932-1933, continue as the primary data base for orifice meter measurement. A recent evaluation indicates that 303 of these data points form the data base supporting the Buckingham coefficient equation in the present United States Standard ANSI/ API 2530. This equation was published in A.G.A. Committee Report No. 2 dated May 6,1935. This report was superseded by A.G.A. Report No. 3 in 1955 which was revised in 1969. This revised report became known as API 2530 for submittal to the American National Standards Institute for consideration as a standard. Approval was given on June 22, 1976 raising A.G.A Committee Report No. 3 to the status of an American National Standard identified by the number ANSI/API 2530.

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