Amendment

IEC 60534-4:1982/AMD1:1986 ED1

Revised

Note: This standard has a new edition: IEC 60534-4:2021 ED4

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Abstract

Establishes a series of seat leakage classes for application to specific designs of control valves and defines the test procedures.

Document information

  • Amendment from IEC
  • Published:
  • Withdrawn:
  • Edition: 1
  • Version: 1
  • Document type: IS
  • Pages
  • ICS 23.060.40
  • ICS 25.040.40
  • ISO TC TC 65/SC 65B

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