GB/T 16702.4-2025 Active National standards

GB/T 16702.4-2025 Design specification for mechanical components in nuclear island of pressurized water reactor nuclear power plants—Part 4:Class 3 components

GB/T 16702.4-2025 Design specification for mechanical components in nuclear island of pressurized water reactor nuclear power plants—Part 4:Class 3 components

Publish Date: 2025-02-28 Implement Date: 2025-02-28 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

Basic Information

Standard Code: GB/T 16702.4-2025

Standard Type: National 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: 2025-02-28

Implement Date: 2025-02-28

Pages: 28 pages

Scope

This document specifies the requirements for materials, design, manufacturing, inspection, testing, and overpressure protection of Class 3 equipment in the nuclear island mechanical equipment of pressurized water reactor nuclear power plants.
This document applies to Class 3 pressure-bearing equipment and its components specified in GB/T 16702.1-2025 for pressurized water reactor nuclear power plants.

Development Information

Word Count: 48 Thousand words Pages: 28 pages

Same series standard

GB/T 16702.1-2025 Design specification for mechanical components in nuclear island of pressurized water reactor nuclear power plants—Part 1:General principle GB/T 16702.2-2025 Design specification for mechanical components in nuclear island of pressurized water reactor nuclear power plants—Part 2:Class 1 components GB/T 16702.3-2025 Design specification for mechanical components in nuclear island of pressurized water reactor nuclear power plants—Part 3:Class 2 components GB/T 16702.5-2025 Design specification for mechanical components in nuclear island of pressurized water reactor nuclear power plants—Part 5:Small components GB/T 16702.6-2025 Design specification for mechanical components in nuclear island of pressurized water reactor nuclear power plants—Part 6:Reactor vessel internals GB/T 16702.7-2025 Design specification for mechanical components in nuclear island of pressurized water reactor nuclear power plants—Part 7:Supports GB/T 16702.8-2025 Design specification for mechanical components in nuclear island of pressurized water reactor nuclear power plants—Part 8:Low pressure or atmospheric storage tanks

Replace the following standards

GB/T 16702-2019 Design code for mechanical components in nuclear island of pressurized water reactor nuclear power plants

Related Standards

GB 6249-1986 Replaced

GB 6249-1986 Regulations for environmental rediation protection of nuclear power plant

Publish Date: 1986-04-23

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

Publish Date: 1991-02-07

GB/T 13178-1991 Replaced

GB/T 13178-1991 Partially depleted gold silicon surface barrier detectors

Publish Date: 1991-04-11

GB/T 13180-1991 Replaced

GB/T 13180-1991 G-M counter tubes for detecting γ radiation

Publish Date: 1991-04-11

GB/T 13182-1991 Replaced

GB/T 13182-1991 Scintillation detectors of sodium iodide (thallium)

Publish Date: 1991-04-11

GB/T 12726.2-1991 Replaced

GB/T 12726.2-1991 Radiation monitoring equipment for accident and post-accident conditions in nuclear power plants—Part 2:Specific requirements for equipment for continuously monitoring radioactive noble gases in gaseous effluents

Publish Date: 1991-09-03