## GB/T 30832-2014 Translated English of Chinese Standard. (GBT 30832-2014, GB/T30832-2014, GBT30832-2014): Valves - Test method of flow coefficient and flow resistance coefficienthttps://www.chinesestandard.net, 2018. 10. 26. - 22ÆäÀÌÁö This Standard specifies the terms and definitions, test equipment and measuring instruments, test requirements, test procedures, calculation and test report for the test of flow coefficient and flow resistance coefficient. The test of flow-pressure loss, flow coefficient and flow resistance coefficient of other similar valves and pipeline shall refer to the methods in this Standard. |

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according to formula arithmetic mean average flow rate calculated according coefficient and flow coefficient of valve cubic meter kg/m3 data recorder diameter of pressure downstream pressure tap downstream regulating valve drop of tested Figure A.1 Flash vaporization flow and pressure flow and turbulence flow coefficient flow measuring instrument flow resistance coefficient flow value flowmeter fluid flow GB/T greater than DN500 Hefei inner diameter kilograms per cubic kilopascals kPa laminar flow maximum and minimum maximum flow measurement system measuring pipeline medium meters per second minimum readings minimum values phase change pressure drop measuring pressure measuring instrument pressure tapping point random error Range of volatility Reynolds number second m/s shown in Figure signal is stable straight pipe section system with nominal systematic error temperature test data test pipeline test procedures test report test system layout test valve connection total pressure tap turbulent flow Typical test system valve connection pipeline vapor pressure Zhejiang