NB/T 20093-2012
Qualification of safety-related valve actuators for nuclear power plants (English Version)

Standard No.

NB/T 20093-2012

Language

Chinese, Available in English version

Release Date

2012

Published By

Professional Standard - Energy

Latest

NB/T 20093-2012

Replace

EJ/T 531-2001

Scope

This standard specifies the identification procedures and methods for safety-level valve drives and drive device components in nuclear power plants to prove that they achieve their intended safety functions. This standard is applicable to the identification of safety-level valve driving devices and driving device components in nuclear power plants.

NB/T 20093-2012 Referenced Document

• GB/T 12727 Appraisal of electrical equipment important to safety in nuclear power plants*， 2023-05-23 Update
• GB/T 13625 Seismic qualification of safety class electrical equipment for nuclear power plants*， 2018-05-14 Update
• IEEE 101-1987 Guide for the Statistical Analysis of Thermal Life Test Data
• NB/T 20086-2012 Assessing,monitoring,and mitigating aging effects on class 1E equipment used in nuclear power plants

NB/T 20093-2012 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

NB/T 20093-2012 Qualification of safety-related valve actuators for nuclear power plants has been changed from EJ/T 531-2001 Qualification of actuators for power-operated valve assemblies with safety-related functions for nuclear power plants.