EJ 531-1990
Appraisal of Safety Class Valve Actuators in Nuclear Power Plants (English Version)

Standard No.

EJ 531-1990

Language

Chinese, Available in English version

Release Date

1990

Published By

Professional Standard - Nuclear Industry

Status

Be replaced 2002-02

Replace By

EJ/T 531-2001

Latest

NB/T 20093-2012

Scope

This standard specifies the methods and procedures for the identification of safety-level valve actuators in nuclear power plants, and specifies the minimum requirements and relevant details for the identification of various types of valve actuators. This standard is applicable to the identification of safety-level valve driving devices in nuclear power plants and can also be used to identify driving device components.

EJ 531-1990 history

• 2012 NB/T 20093-2012 Qualification of safety-related valve actuators for nuclear power plants
• 2001 EJ/T 531-2001 Qualification of actuators for power-operated valve assemblies with safety-related functions for nuclear power plants
• 1990 EJ 531-1990 Appraisal of Safety Class Valve Actuators in Nuclear Power Plants

EJ 531-1990 Appraisal of Safety Class Valve Actuators in Nuclear Power Plants was changed to EJ/T 531-2001 Qualification of actuators for power-operated valve assemblies with safety-related functions for nuclear power plants.