BS EN 60534-2-3:2016

2016-04-30 /Definitive

23.060.40 - Pressure regulators

25.040.40 - Industrial process measurement and control

GEL/65/2

EN 60534-2-3:2016

IEC 60534-2-3:2015

Reemplaza a: BS EN 60534-2-3:1998

This part of IEC 60534 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 :

1. flow coefficient C;

2. liquid pressure recovery factor without attached fittings F _L;

3. combined liquid pressure recovery factor and piping geometry factor of a control valve with attached fittings F _LP;

4. piping geometry factor F _P;

5. pressure differential ratio factors x _T and x _TP;

6. valve style modifier F _d;

7. Reynolds number factor F _R.

Process control, Pressure measurement (fluids), Flow regulators, Test pressure, Valves, Liquid flow, Liquid valves, Flow rates, Reynolds number, Flow coefficient, Test specimens, Test equipment, Flow measurement, Accuracy, Equations, Industrial, Controllers