Standard

NEK EN 60534-2-3:2016

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Abstract

IEC 60534-2-3:2015(E) 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.

Document information

  • Standard from NEK
  • Published:
  • Edition: 1
  • Version: 1
  • Document type: NAT
  • National Committee NEK/NK65

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