NB/T 20261-2014
Design criteria for emergency core cooling system of pressurized water reactor nuclear power plants (English Version)

Standard No.

NB/T 20261-2014

Language

Chinese, Available in English version

Release Date

2014

Published By

Professional Standard - Energy

Latest

NB/T 20261-2014

Replace

EJ/T 332-1988

Scope

This standard specifies the basic requirements for the design of emergency core cooling systems for second-generation improved pressurized water reactor nuclear power plants, including operation, maintenance and test requirements directly related to the system design, but does not include specific design requirements for the system equipment. This standard is applicable to the design of emergency core cooling systems for second-generation improved pressurized water reactor nuclear power plants, and other nuclear power plants of the same type can refer to it for implementation.

NB/T 20261-2014 Referenced Document

• EJ/T 331 Containment Isolation Devices for Fluid Systems Following a Loss of Water Accident
• EJ/T 335 Design basis for protection of light water nuclear power plants against the effects of postulated pipe rupture
• EJ/T 336 Guidelines for layout of nuclear steam supply system in pressurized water reactor nuclear power plant
• GB 18871 Basic standards for protection against ionizing radiation and for the safety of radiation sources
• GB 6249 Regulations for environmental radiation protection of nuclear power plant
• GB/T 13285 Physical protection for safety-related systems and components in nuclear power plants
• GB/T 13286 Criteria for independence of class 1E equipment and circuits in nuclear power plants*， 2021-12-31 Update
• GB/T 17569 Classification for the items of pressurized water reactor nuclear power plants*， 2021-10-11 Update
• NB/T 20026 General requirements for instrumentation and control systems important to safety in nuclear power plants*， 2014-10-15 Update
• NB/T 20051 Design criteria for auxiliary power system of nuclear power plant
• NB/T 20053 Installation requirement of electric,instrumentation and control equipment important to safety of nuclear power plant
• NB/T 20131 Design criteria for emergency core cooling sump of pressurized water reactors nuclear power plants
• NB/T 20268 Rules for the design of PWR nuclear power plant safety and relief valve piping

NB/T 20261-2014 history

• 2014 NB/T 20261-2014 Design criteria for emergency core cooling system of pressurized water reactor nuclear power plants
• 1988 EJ/T 332-1988 Design criteria for emergency core cooling system of pressurized water reactor nuclear power plant

NB/T 20261-2014 Design criteria for emergency core cooling system of pressurized water reactor nuclear power plants has been changed from EJ/T 332-1988 Design criteria for emergency core cooling system of pressurized water reactor nuclear power plant.