ASHRAE 41 8-1989 Standard Methods of Measurement of Flow of Liquids in Pipes Using Orifice Flowmeters《流动液体在管道用孔板流量计的标准测量方法》.pdf
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ASHRAE 41 8-1989 Standard Methods of Measurement of Flow of Liquids in Pipes Using Orifice Flowmeters《流动液体在管道用孔板流量计的标准测量方法》.pdf
1、ASHRAE Standard 41.8-1989Standard Methods ofMeasurement of Flow ofLiquids in Pipes UsingOrifice FlowmetersApproved by the ASHRAE Standards Committee on June24, 1989, and by the ASHRAE Board of Directors on June29, 1989.ASHRAE Standards are scheduled to be updated on afive-year cycle; the date follow
2、ing the standard number isthe year of ASHRAE Board of Directors approval. Thelatest copies may be purchased from ASHRAE CustomerService, 1791 Tullie Circle, NE, Atlanta, GA 30329-2305.E-mail: ordersashrae.org. Fax: 404-321-5478. Tele-phone: 404-636-8400 (worldwide) or toll free 1-800-527-4723 (for o
3、rders in U.S. and Canada).Copyright 1989 American Society of Heating,Refrigerating and Air-Conditioning Engineers, Inc.ISSN 1041-2336When addenda or interpretations to this standard havebeen approved, they can be downloaded free of chargefrom the ASHRAE web site athttp:/xp20.ashrae.org/standards/addenda.htm orhttp:/xp20.ashrae.org/standards/intpstd.htm.86128PC 3/05
