This test standard utilizes the mathematical equations outlined in ANSI/ISA-75.01.01 (IEC 60534-2-1 Mod)-2007, Flow Equations for Sizing Control Valves, in providing a test procedure for obtaining the following:a) Valve flow coefficient, C (Cv, Kv)b) Liquid pressure recovery factors, FL and FLPc) Reynolds Number factor, FRd) Liquid critical pressure ratio factor, FFe) Piping geometry factor, FPf) Pressure drop ratio factor, xT and xTPg) Valve style modifier, Fd