Standard

NEK IEC 60534-4:1999

Withdrawn

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

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Abstract

Does not apply to the types of control valves where radioactive service, fire safety testing, or hazardous service conditions are encountered. Is applicable to valves with pressure ratings not exceeding PN 420 (Class 2500). Requirements for actuators apply only to pneumatic actuators.

Document information

  • Standard from NEK
  • Published:
  • Withdrawn:
  • Edition: 2.0
  • Version: 1
  • Document type: NAT
  • Pages
  • ICS 17.120.01
  • ICS 19.020
  • ICS 23.100.50
  • National Committee NEK/NK65

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