ISO 5167-2:2003 specifies the geometry and method of use (installation and operating conditions) of orifice plates when they are inserted in a conduit running full to determine the flow-rate of the fluid flowing in the conduit.It also provides background information for calculating the flow-rate and is applicable in conjunction with the requirements given in ISO 5167-1.ISO 5167-2:2003 is applicable to primary devices having an orifice plate used with flange pressure tappings, or with corner pressure tappings, or with D and D/2 pressure tappings. Other pressure tappings such as vena contracta and pipe tappings have been used with orifice plates but are not covered by ISO 5167-2:2003.ISO 5167-2:2003 is applicable only to a flow which remains subsonic throughout the measuring section and where the fluid can be considered as single phase. It is not applicable to the measurement of pulsating flow. It does not cover the use of orifice plates in pipe sizes less than 50 mm or more than 1 000 mm, or for pipe Reynolds numbers below 5 000.
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If everyone reading this chips in just $5, we can keep this website going for free, and free of ads. That's right, all we need is the price of a paperback book to sustain a non-profit website the whole world depends on. For 23 years this has been my dream: for a generation of learners who turn to their screens for answers, I want to put the very best information at their fingertips. We stand with Wikipedians, librarians and creators to provide enduring access to the world’s most trustworthy knowledge. We’re dedicated to reader privacy so we never track you.
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If you find our site useful, we ask you humbly, please chip in. Thank you.— Brewster Kahle, Founder, Internet Archive. In order to promote public education and public safety, equal justice for all, a better informed citizenry, the rule of law, world trade and world peace, this legal document is hereby made available on a noncommercial basis, as it is the right of all humans to know and speak the laws that govern them. (For more information: )Name of Standards Organization: Bureau of Indian Standards (BIS)Division Name: Civil EngineeringSection Name: Cement and Concrete (CED 2)Designator of Legally Binding Document: IS 3812-2Title of Legally Binding Document: Specification for Pulverized Fuel Ash, Part 2: For Use as Admixture in Cement Mortar and ConcreteNumber of Amendments:Equivalence:Superceding:IS 3812-2:2003 Superceded by:LEGALLY BINDING DOCUMENTStep Out From the Old to the New-Jawaharlal NehruInvent a new India using knowledge.-Satyanarayan Gangaram Pitroda.