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AS 2473.1-2006
[Current]Valves for compressed gas cylinders, Part 1: Specifications, type testing, and manufacturing tests and inspections
Specifies requirements for design, construction and manufacture, type testing and marking for valves intended to be fitted to gas cylinders which convey compressed, liquefied or dissolved gases.
Published: 24/02/2006
Pages: 24
Table of contents
Cited references
Content history
Table of contents
Header
About this publication
Preface
1 Scope and general
1.1 Scope
1.2 Referenced documents
1.3 Definitions
1.4 Valve test pressures
1.4.1 General
1.4.2 Valve gas test pressure (pVT-G)
1.4.3 Valve hydraulic test pressure (pVT-H)
2 Valve design requirements
2.1 General requirements
2.2 Description
2.3 Materials
2.4 Dimensions
2.4.1 External dimensions
2.4.2 Internal dimensions
2.5 Valve connections
2.5.1 Inlet connections
2.5.2 Outlet connections
2.6 Mechanical strength
2.6.1 Resistance to internal pressure
2.6.2 Resistance to mechanical impact
2.7 Valve operating mechanism
2.8 Leakage
2.9 Resistance to ignition
2.10 Pressure relief devices
3 Construction requirements
3.1 Manufacturing
3.2 Cleaning
3.3 Manufacturing tests and inspection
3.4 Routine manufacturing checks
3.5 Batch acceptance tests
3.6 Revalidation tests
3.7 Test record
4 Type test methods
4.1 General
4.2 Documentation
4.3 Number of test samples
4.4 Test report
4.5 Ambient conditions
4.6 Test gas
4.7 Test sequence
4.8 Test method for resistance to internal pressure
4.9 Test method for operating and loosening torques
4.10 Test method for leakage
4.10.1 General
4.10.2 Internal leakage
4.10.3 External leakage
4.11 Test method for endurance
4.12 Test method for oxygen pressure surge
4.13 Test method for flame impingement
4.14 Test method for resistance to acetylene decomposition
4.15 Test method for resistance to mechanical impact
4.16 Example of leak test method
5 Marking
5.1 Cylinder valves
5.2 Safety devices
Appendix A
A1 Type testing for a family of valves having the same design, no variants
A2 Sequence of tests for type approval (basic design plus two type variants)
Appendix B
B1 Valves for oxidizing gases
B2 Other valves
Appendix C
Appendix D
D1 Scope
D2 Requirements for LP gas cylinder valves fitted with outlet connection type 27 from AS 2473.2
D3 Retention of the bleed hole screw and the ullage tube
D4 Maximum size orifice for the bleed screw
Amendment control sheet
AS 2473.1-2006
Amendment No. 1 (2020)
Revised text
Cited references in this standard
[Current]
Gas cylinders - Residual pressure valves - Specification and type testing of cylinder valves incorporating residual pressure devices
Compressed Gas Association CGA V-1
Standard for Compressed Gas Cylinder Valve Outlet and Inlet Connections
ANSI UL 2061
Standard for Adapters and Cylinder Connection Devices for Portable LP-Gas Cylinder Assemblies
[Current]
Gas cylinders - Valve protection caps and guards - Design, construction and tests
Content history
[Current]
[Superseded]
AS 2473.1-2006 REC:2017
DR 05354
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