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Title: Revised A.G.A- Report No. 3: Changes And Impacts For Gas Distribution/Transmission Companies
Author: Anita m. Raether, John W. Stuart
Source: American Gas Association 1991
Year Published: 1991
Abstract: A.G.A. Report No. 3, Orifice Metering of Natural Gas and Other Related Hydrocarbon Fluids, officially published as ANSI/API 2530, is the standard used in the natural gas industry which specifies the installation requirements and flow rale calculations for orifice meters. The 1990/91 revision to this standard has many significant improvements which will impact gas distribution and transmission companies. The new orifice coefficient equations, new calculation procedures, and revised meter installation specifications substantially reduce the measurement uncertainty associated with orifice meters. Companies will need to revise their related in-house documents and volume calculation software. The purpose of this paper is to inform the users of orifice meters that the A.G.A. Report No. 3 standard has been changed in a significant way. and to alert them on what the impacts may be on their operation. The 1990/91 revision includes the biggest changes that have been incorporated into this standard in 55 years!




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