GB/T 45569-2025 Active National standards

GB/T 45569-2025 Design criteria for the thermal insulation of reactor coolant system main equipments and piping of PWR nuclear power plants

GB/T 45569-2025 Design criteria for the thermal insulation of reactor coolant system main equipments and piping of PWR nuclear power plants

Publish Date: 2025-04-25 Implement Date: 2025-04-25 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

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Basic Information

Standard Code: GB/T 45569-2025

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: 2025-04-25

Implement Date: 2025-04-25

Pages: 28 pages

Scope

This document specifies the basic requirements for the design of insulation layers for reactor coolant systems (RCS) equipment and pipelines in pressurized water reactors (PWRs).
This document applies to metal insulation layers and non-metallic insulation layers for RCS equipment and pipelines in PWRs. Other reactor types may refer to this document for implementation guidance.

Development Information

Word Count: 36 Thousand words Pages: 28 pages

Referenced Standards

GB/T 4132-1996 Definitions of terms relating to thermal insulating materials GB/T 4132-2015 Definitions of terms relating to thermal insulating materials GB/T 4132-2023 Thermal insulation—Vocabulary GB/T 10294-1988 Thermal insulation—Determination of steady-state thermal resistance and related properties—Guarded hot plate apparatus GB/T 10294-2008 Thermal insulation—Determination of steady-state thermal resistance and related properties—Guarded hot plate apparatus GB/T 10296-1988 Thermal insulation—Determination of steady-state thermal transmission properties—Pipe insulation apparatus GB/T 10296-2008 Thermal insulation—Determination of steady-state thermal transmission properties—Pipe insulation apparatus GB/T 13475-1992 Building element—Determination of steady-state thermal transmission properties—Calibrated and guarded hot box GB/T 13475-2008 Thermal insulation—Determination of steady-state thermal transmission Properties—Calibrated and guard hot box

Adopt standards

ISO 23466:2020

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