CEI EN 60534-2-3
Industrial-process control valves Part 2-3: Flow capacity - Test procedures
| Organization: | CEI |
| Publication Date: | 1 November 2016 |
| Status: | active |
| Page Count: | 52 |
| ICS Code (Pressure regulators): | 23.060.40 |
| ICS Code (Industrial process measurement and control): | 25.040.40 |
scope:
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:
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.
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