GB 6249-1986
Replaced
NB/T 20312.4-2023
Active
Industry standards-Energy
NB/T 20312.4-2023 Nuclear Island mechanical equipment inspection rules for operating inspection Part 4: Inspection methods for pressurized water reactor nuclear power plants
NB/T 20312.4-2023 Nuclear Island mechanical equipment inspection rules for operating inspection Part 4: Inspection methods for pressurized water reactor nuclear power plants
Basic Information
Standard Code:
NB/T 20312.4-2023
Standard Type:
Industry standards
Standard Status:
Active
is_force_gb:
no
CCS Name:
Nuclear reactors and nuclear island equipment in nuclear power plants
ICS Name:
Nuclear power stations, safety
Publish Date:
2023-05-26
Implement Date:
2023-11-26
Scope
It is suitable for the in-service inspection of Class 1, 2 and 3 pressure-bearing equipment and their supporting components in pressurized water reactor nuclear power plants, as well as some non-pressurized nuclear island mechanical equipment.
Development Information
Same series standard
NB/T 20312.1-2023 Nuclear Island Machinery Inspection Rules Part 1: General Requirements for Operating Pressurized Water Reactors (PWR) Nuclear Power Plants
NB/T 20312.3-2023 NB/T 20312.3-2023 Nuclear island mechanical equipment in-service inspection rules for pressurized water reactor nuclear power plants - Part 3: Water pressure test
Replace the following standards
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