IEC 60534-2-3 Ed. 3.0 b:2015

Current Revision
Industrial-process control valves - Part 2-3: Flow capacity - Test procedures

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Industrial-process control valves - Part 2-3: Flow capacity - Test procedures

Industrial-process control valves - Part 2-3: Flow capacity - Test procedures

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.
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