GB 6249-1986
Replaced
NB/T 20687-2023
Active
Industry standards-Energy
NB/T 20687-2023 "The measures required for retaining the molten core material in the pressure vessel following a severe accident in a pressurized water reactor nuclear power plant."
NB/T 20687-2023 "The measures required for retaining the molten core material in the pressure vessel following a severe accident in a pressurized water reactor nuclear power plant."
Price:
$ 30
Basic Information
Standard Code:
NB/T 20687-2023
Standard Type:
Industry standards
Standard Status:
Active
is_force_gb:
no
CCS Name:
\nNuclear island of a nuclear power plant
ICS Name:
Nuclear power stations, safety
Publish Date:
2023-10-11
Implement Date:
2024-04-11
Pages:
21 pages
Scope
It is applicable to the design and effectiveness analysis of the IVR (In-Vessel Retention) measures in the pressure vessels of pressurized water reactor nuclear power plants where molten material may remain after a severe accident.
Development Information
Related Standards
GB/T 12726.1-1991
Replaced
GB/T 12726.1-1991 Radiation monitoring equipment for accident and post-accident conditions in nuclear power plants—Part 1:General requirements
GB/T 13178-1991
Replaced
GB/T 13178-1991 Partially depleted gold silicon surface barrier detectors
GB/T 13180-1991
Replaced
GB/T 13180-1991 G-M counter tubes for detecting γ radiation
GB/T 13182-1991
Replaced
GB/T 13182-1991 Scintillation detectors of sodium iodide (thallium)
GB/T 12726.2-1991
Replaced