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Essential Process Engineering <br /> Solve for Cv or Flow 'Flow <br /> Cv <br /> Upstream Pressure,P1 (psig) 1125 — <br /> !Downstream Pressure. P2(p.sioj �3 __.____ <br /> !Temperature(CF) 70 <br /> Specific Gravity •Methar. <br /> Temperature;R) iC30 <br /> _i lI <br /> 'Upstream Pressure P1 (psia) 039.7` <br /> —'Dowr-- <br /> 'Downstream <br /> nstream Pressure. P2(psia) `14`7^ <br /> Flow,4(SCFE:) {3259.25 —� <br /> _I <br /> Flow,Q(SCFPA) 154 32 <br /> i Calculate <br /> Figure 10.3—Calculated PRV Flow Rate based on CV Factor using Methane as an equivalent gas <br /> The calculated flow rate for a single PRV is 54.32 CFM. <br /> 5/3/2016 Project: 1604141_BrianKnopfExtractor Page 22 of 34 <br /> EPE Doc. 160414ER Confidential - Proprietary Document Butane USE ONLY <br />