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BS ISO 23466:2020

BS ISO 23466:2020

$142.49

Design criteria for the thermal insulation of reactor coolant system main equipments and piping of PWR nuclear power plants

Published By Publication Date Number of Pages
BSI 2020 30
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This document specifies the basic requirements of thermal insulation design of reactor coolant system (RCS) equipment and piping.

Among thermal insulation of various RCS equipment and piping, the following two kinds of thermal insulations are described in detailed based on common design logic and requirements:

  • thermal insulation of reactor pressure vessel (RPV);

  • thermal insulation of RCS piping and other equipment.

This document is valid for two types of thermal insulation:

  • metallic thermal insulation;

  • non-metallic thermal insulation.

This document mainly applies to nuclear power plants with pressurized water reactor (PWR). For other reactor types, this document can be taken as reference.

PDF Catalog

PDF Pages PDF Title
2 National foreword
6 Foreword
7 1 Scope
2 Normative references
3 Terms and definitions
8 4 General design procedure
4.1 General requirements
4.2 Reactor safety considerations
9 4.3 Material selection
4.3.1 General requirements
4.3.2 Primary insulating material
10 4.3.3 Outer cladding/encapsulating material
4.3.4 Support/fixation material
4.4 Design and test of thermal behaviour
4.4.1 Design of thermal behaviour
12 4.4.2 Test of thermal behaviour
4.5 Design and test of mechanical properties
4.5.1 Design of mechanical properties
13 4.5.2 Test of mechanical properties
14 4.6 Additional requirements
5 Design requirements of RPV thermal insulation
5.1 General requirements
15 5.2 Safety requirements
5.3 Material selection
5.4 Thermal behaviour requirements
16 5.5 Mechanical properties and structural requirements
6 Design requirements of thermal insulation of RCS piping and other equipment
6.1 General requirements
6.2 Safety requirements
6.3 Material selection
17 6.4 Thermal behaviour requirements
6.5 Mechanical properties and structural requirements
18 Annex A (informative) Geometry description of metallic thermal insulation
20 Annex B (informative) Geometry description of non-metallic thermal insulation
23 Annex C (informative) Type of RPV thermal insulation with RPV external cooling safety functionality
26 Annex D (informative) Type of RPV thermal insulation with radiation shield safety functionality
29 Bibliography

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BS ISO 23466:2020
$142.49