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English Translations » 信息处理 » Selection of self-acting control valves

Selection of self-acting control valves

2010-05-10View Original

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General Data1Tag No.　　　　　PRV-06091012Service　　　　　NITROGEN TO VS-060913P&ID No.　 　　　8028-C01-10-SY03-06090Inlet line4Diameter inchNumber1"N2-0600045Line schedule　Class　MaterialSCH40SSS4Outlet line6Diameter inchNumber1"N2-0600047Line schedule　Class　MaterialSCH40SSS4Operating Conditions8Calculation Results From: 　　 ○ Internal ○ Manufacturer ○ Both 9Fluid 　Phase　StateNITROGEN GAS　10Sour service　Special conditions　　　11Molecular Weight　Viscosity at @ normal280.017 mPaS12Cp/Cv　 Compressibility　1.4113Density minDensity norDensity max　7.9　kg/m314Vapour Pressure at T nom 　　 15Critical Pressure　Critical Temperature 　16Flow Min. Norm. Max.　Unit304050Nm3/h17Temp. QMin.Q Norm. Q Max.　Unit　15　°C18In.Press. QMin.Q Norm. Q Max.　Unit0.60.70.8MpaG19Out.Press. QMin.Q Norm. Q Max.　Unit　0.1　　　MpaG20DP Qmin.Q Norm. Q Max.　Unit0.50.60.7MpaG21CV Min. Norm. Max.　　(Note 1)(Note 1)(Note 1)　22Noise Min. Norm. Max. 　　
Reply #22010-05-14
I don’t know what it is. . . . . . . . . . . . . . .
Reply #32013-06-21
May I ask, for a self-acting flow control device with a quick-opening characteristic, how is the relative opening degree calculated?

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Translated at 2026-07-27 04:49:19

Original: https://bbs.hcbbs.com/thread-663146-1-1.html

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