This section of IEC 60534-2 is applicable to industrial-process control valves and provides the flow capacity test procedures for determining the following variables used in the equations given in IEC 60534-2-1 and IEC 60534-2-2:a) flow coefficient C;b) liquid pressure recovery factor without attached fittings FL;c) combined liquid pressure recovery factor and piping geometry factor of a control valve with attached fittings FLP;d) piping geometry factor Fp;e) pressure differential ratio factors xT and xTP;f) valve style modifier Fd;g) Reynolds number factor FR.