Publication CODE |
Title |
IEC 60534-2-3:2015 (2015-12) |
INDUSTRIAL-PROCESS CONTROL VALVES - PART 2-3: FLOW CAPACITY - TEST PROCEDURES |
|
Price Excl. VAT |
Total number of pages, tables and drawings |
286.00 €
|
42 P.. |
Description
IEC 60534-2-3:2015 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.
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.
|
Class |
C990
(IEC PUBLICATIONS IEC PUBLICATIONS)
|
BEC Approval |
2015-12-16 |
ICS-Code (International Standards Classification) |
23.060.40
, 25.040.40
|
NBN Status |
New |
|
IEC publication date |
2015-12-16 |
IEC stability date |
2021-12-31 |
IEC file modification date |
2015-12-14 |
IEC last modification date |
2020-07-23 |
|