Industrial-process control valves - Part 2-3: Flow capacity - Test procedures
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.
This third edition cancels and replaces the second edition published in 1997, of which it constitutes a technical revision. This edition includes the following significant technical changes with respect to the previous edition:
a) Addition of informative Annexes B, C, D, E and F.
b) Organizational and formatting changes were made to group technically related subject matter.
|Publication type||International Standard|
|TC/SC||TC 65/SC 65B - Measurement and control devicesrss|
|ICS||23.060.40 - Pressure regulators
25.040.40 - Industrial process measurement and control
|File size||1621 KB|
The following test report forms are related:
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