ISO 7195:2020
Nuclear energy — Packagings for the transport of uranium hexafluoride (UF6)
This document provides the following:
— specifications for cylinders for the transport of uranium hexafluoride (UF6) to provide compatibility among different users,
— description of cylinder designs, but is not intended to develop new designs,
— fabrication requirements for the procurement of new cylinders designed for the transport of 0,1 kg or more of uranium hexafluoride,
— fabrication requirements for the procurement of new valve protections, valves and plugs, and
— requirements for cylinders and valve protections in service.
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Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Management system
5 General requirements for cylinders and valve protection
5.1 Design of cylinders and valve protection
5.2 Fabrication of new cylinders
5.2.1 General
5.2.2 Radiography and other non-destructive examinations (NDEs)
5.2.3 Testing
5.2.4 Cylinder marking
5.2.5 Reports, certification, and records
5.2.6 Outer surface
5.2.7 Cleanliness
5.2.8 Standard cylinders
5.3 In-service cylinders and valve protection
5.3.1 Cleanliness
5.3.2 Testing
5.3.3 Routine inspections
5.3.4 Periodic inspections and tests
5.3.5 Cylinder maintenance/repair/alteration
5.3.6 Maintenance of valves specified in 8.2 and 8.3
6 Specific requirements for cylinders and valve protection
6.1 1S Cylinder
6.1.1 Design conditions
6.1.2 Materials
6.1.3 Fabrication
6.1.4 Radiography
6.1.5 Valve
6.1.6 Plug
6.1.7 Valve installation
6.1.8 Testing
6.1.9 Cylinder marking
6.1.10 Cleaning
6.1.11 Certification
6.1.12 External surface treatment
6.2 2S Cylinder
6.2.1 Design conditions
6.2.2 Materials
6.2.3 Fabrication
6.2.4 Radiography
6.2.5 Valve
6.2.6 Plug
6.2.7 Valve installation
6.2.8 Testing
6.2.9 Cylinder marking
6.2.10 Cleaning
6.2.11 Certification
6.2.12 External surface treatment
6.3 5B Cylinder
6.3.1 Design conditions
6.3.2 Materials
6.3.3 Fabrication
6.3.4 Radiography
6.3.5 Valve
6.3.6 Plug
6.3.7 Valve installation
6.3.8 Testing
6.3.9 Cylinder marking
6.3.10 Cleaning
6.3.11 Certification
6.3.12 External surface treatment
6.4 8A Cylinder
6.4.1 Design conditions
6.4.2 Materials
6.4.3 Fabrication
6.4.4 Radiography
6.4.5 Valve
6.4.6 Plug
6.4.7 Valve installation
6.4.8 Testing
6.4.9 Cylinder marking
6.4.10 Cleaning
6.4.11 Certification
6.4.12 External surface treatment
6.5 12B Cylinder
6.5.1 Design conditions
6.5.2 Materials
6.5.3 Fabrication
6.5.4 Radiography
6.5.5 Valve
6.5.6 Plug
6.5.7 Valve installation
6.5.8 Testing
6.5.9 Cylinder marking
6.5.10 Cleaning
6.5.11 Certification
6.5.12 External surface treatment
6.6 30B Cylinder
6.6.1 Design conditions
6.6.2 Materials
6.6.3 Fabrication
6.6.4 Radiography
6.6.5 Valve
6.6.6 Plug
6.6.7 Valve and plug installation
6.6.8 Testing
6.6.9 Cylinder marking
6.6.10 Cleaning
6.6.11 Certification
6.6.12 External surface treatment
6.7 30C Cylinder
6.7.1 Design conditions
6.7.2 Materials
6.7.3 Fabrication
6.7.4 Radiography and non-destructive examination (NDE)
6.7.5 Valve
6.7.6 Plug
6.7.7 Valve and plug installation
6.7.8 Testing
6.7.9 Cylinder marking
6.7.10 Cleaning
6.7.11 Certification
6.7.12 External surface treatment
6.8 48Y or 48X cylinder
6.8.1 Design conditions
6.8.2 Materials
6.8.3 Fabrication
6.8.4 Radiography
6.8.5 Valve
6.8.6 Plug
6.8.7 Valve and plug installation
6.8.8 Testing
6.8.9 Cylinder marking
6.8.10 Cleaning
6.8.11 Certification
6.8.12 External surface treatment
7 General requirements for cylinder valves and plugs
7.1 Manufacturing process for valves and plugs
7.1.1 Process
7.1.2 Materials
7.1.3 Material test report
7.1.4 Manufacturing
7.1.5 Material stress-relief specifications
7.1.6 Cleaning
7.1.7 Tinning of valves and plugs
7.1.8 Assembly of valves
7.1.9 Testing of valves
7.1.10 Packaging of valves and plugs
7.1.11 Certification
7.2 Installation of valves and plugs specified in 8.3 and 8.4
8 Specific requirements for cylinder valves and plugs
8.1 Valves for 1S and 2S cylinders
8.1.1 General
8.1.2 Design conditions
8.1.3 Materials
8.1.4 Marking
8.2 Cylinder valve 50 (3/4 in)
8.2.1 Design conditions
8.2.2 Materials
8.2.3 Material test report
8.2.4 Manufacturing
8.2.5 Cleaning
8.2.6 Tinning
8.2.7 Assembly
8.2.8 Testing
8.3 Cylinder valve 51 (1 in)
8.3.1 Design conditions
8.3.2 Materials
8.3.3 Material test report
8.3.4 Manufacturing
8.3.5 Cleaning
8.3.6 Tinning
8.3.7 Assembly
8.3.8 Testing
8.4 Plug
8.4.1 Design conditions
8.4.2 Materials
8.4.3 Machining
8.4.4 Cleaning
8.4.5 Tinning
8.4.6 Certification
9 Shipping
9.1 Tamper indication
9.2 New cylinders
9.3 Clean and washed out cylinders
9.4 Other cylinders
9.5 Outer protection
Bibliography
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Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Management system
5 General requirements for cylinders and valve protection
5.1 Design of cylinders and valve protection
5.2 Fabrication of new cylinders
5.2.1 General
5.2.2 Radiography and other non-destructive examinations (NDEs)
5.2.3 Testing
5.2.4 Cylinder marking
5.2.5 Reports, certification, and records
5.2.6 Outer surface
5.2.7 Cleanliness
5.2.8 Standard cylinders
5.3 In-service cylinders and valve protection
5.3.1 Cleanliness
5.3.2 Testing
5.3.3 Routine inspections
5.3.4 Periodic inspections and tests
5.3.5 Cylinder maintenance/repair/alteration
5.3.6 Maintenance of valves specified in 8.2 and 8.3
6 Specific requirements for cylinders and valve protection
6.1 1S Cylinder
6.1.1 Design conditions
6.1.2 Materials
6.1.3 Fabrication
6.1.4 Radiography
6.1.5 Valve
6.1.6 Plug
6.1.7 Valve installation
6.1.8 Testing
6.1.9 Cylinder marking
6.1.10 Cleaning
6.1.11 Certification
6.1.12 External surface treatment
6.2 2S Cylinder
6.2.1 Design conditions
6.2.2 Materials
6.2.3 Fabrication
6.2.4 Radiography
6.2.5 Valve
6.2.6 Plug
6.2.7 Valve installation
6.2.8 Testing
6.2.9 Cylinder marking
6.2.10 Cleaning
6.2.11 Certification
6.2.12 External surface treatment
6.3 5B Cylinder
6.3.1 Design conditions
6.3.2 Materials
6.3.3 Fabrication
6.3.4 Radiography
6.3.5 Valve
6.3.6 Plug
6.3.7 Valve installation
6.3.8 Testing
6.3.9 Cylinder marking
6.3.10 Cleaning
6.3.11 Certification
6.3.12 External surface treatment
6.4 8A Cylinder
6.4.1 Design conditions
6.4.2 Materials
6.4.3 Fabrication
6.4.4 Radiography
6.4.5 Valve
6.4.6 Plug
6.4.7 Valve installation
6.4.8 Testing
6.4.9 Cylinder marking
6.4.10 Cleaning
6.4.11 Certification
6.4.12 External surface treatment
6.5 12B Cylinder
6.5.1 Design conditions
6.5.2 Materials
6.5.3 Fabrication
6.5.4 Radiography
6.5.5 Valve
6.5.6 Plug
6.5.7 Valve installation
6.5.8 Testing
6.5.9 Cylinder marking
6.5.10 Cleaning
6.5.11 Certification
6.5.12 External surface treatment
6.6 30B Cylinder
6.6.1 Design conditions
6.6.2 Materials
6.6.3 Fabrication
6.6.4 Radiography
6.6.5 Valve
6.6.6 Plug
6.6.7 Valve and plug installation
6.6.8 Testing
6.6.9 Cylinder marking
6.6.10 Cleaning
6.6.11 Certification
6.6.12 External surface treatment
6.7 30C Cylinder
6.7.1 Design conditions
6.7.2 Materials
6.7.3 Fabrication
6.7.4 Radiography and non-destructive examination (NDE)
6.7.5 Valve
6.7.6 Plug
6.7.7 Valve and plug installation
6.7.8 Testing
6.7.9 Cylinder marking
6.7.10 Cleaning
6.7.11 Certification
6.7.12 External surface treatment
6.8 48Y or 48X cylinder
6.8.1 Design conditions
6.8.2 Materials
6.8.3 Fabrication
6.8.4 Radiography
6.8.5 Valve
6.8.6 Plug
6.8.7 Valve and plug installation
6.8.8 Testing
6.8.9 Cylinder marking
6.8.10 Cleaning
6.8.11 Certification
6.8.12 External surface treatment
7 General requirements for cylinder valves and plugs
7.1 Manufacturing process for valves and plugs
7.1.1 Process
7.1.2 Materials
7.1.3 Material test report
7.1.4 Manufacturing
7.1.5 Material stress-relief specifications
7.1.6 Cleaning
7.1.7 Tinning of valves and plugs
7.1.8 Assembly of valves
7.1.9 Testing of valves
7.1.10 Packaging of valves and plugs
7.1.11 Certification
7.2 Installation of valves and plugs specified in 8.3 and 8.4
8 Specific requirements for cylinder valves and plugs
8.1 Valves for 1S and 2S cylinders
8.1.1 General
8.1.2 Design conditions
8.1.3 Materials
8.1.4 Marking
8.2 Cylinder valve 50 (3/4 in)
8.2.1 Design conditions
8.2.2 Materials
8.2.3 Material test report
8.2.4 Manufacturing
8.2.5 Cleaning
8.2.6 Tinning
8.2.7 Assembly
8.2.8 Testing
8.3 Cylinder valve 51 (1 in)
8.3.1 Design conditions
8.3.2 Materials
8.3.3 Material test report
8.3.4 Manufacturing
8.3.5 Cleaning
8.3.6 Tinning
8.3.7 Assembly
8.3.8 Testing
8.4 Plug
8.4.1 Design conditions
8.4.2 Materials
8.4.3 Machining
8.4.4 Cleaning
8.4.5 Tinning
8.4.6 Certification
9 Shipping
9.1 Tamper indication
9.2 New cylinders
9.3 Clean and washed out cylinders
9.4 Other cylinders
9.5 Outer protection
Bibliography