GB 6249-1986
Replaced
NB/T 20500-2025
Active
Industry standards-Energy
NB/T 20500-2025 Exterior insulation installation and acceptance technical specifications for the piping of the nuclear island of a pressurized water reactor nuclear power plant
NB/T 20500-2025 Exterior insulation installation and acceptance technical specifications for the piping of the nuclear island of a pressurized water reactor nuclear power plant
Price:
$ 20.00
Basic Information
Standard Code:
NB/T 20500-2025
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:
2025-12-18
Implement Date:
2026-06-18
Scope
This document applies to the prefabrication, installation, and acceptance of insulation works for main pipes and process pipes during the installation of the nuclear island of a pressurized water reactor nuclear power plant.
Development Information
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