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AS
AS 2473.2-2007

AS 2473.2-2007

Superseded

Superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

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Valves for compressed gas cylinders - Outlet connections (threaded) and stem (inlet) threads

Available format(s)

Hardcopy , PDF 1 User , PDF 3 Users , PDF 5 Users , PDF 9 Users

Superseded date

25-07-2024

Superseded by

AS 2473.2:2015

Language(s)

English

Published date

04-12-2007

Publisher

Standards Australia

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Hardcopy - English
PDF 1 User - English
PDF 3 Users - English
PDF 5 Users - English
PDF 9 Users - English
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1 - AS 2473.2-2007 VALVES FOR COMPRESSED GAS CYLINDERS - OUTLET CONNECTIONS (THREADED) AND STEM (INLET) THREADS
4 - PREFACE
6 - CONTENTS
7 - SECTION 1 SCOPE AND GENERAL
7 - 1.1 SCOPE
7 - 1.2 REFERENCED DOCUMENTS
8 - 1.3 DEFINITIONS
9 - SECTION 2 OUTLET CONNECTIONS (THREADED)
9 - 2.1 VALVE OUTLET CONNECTIONS
9 - 2.2 GAS PRESSURE AND MATERIAL COMPATIBILITY
10 - 2.3 OUTLET CONNECTION MARKING
51 - SECTION 3 VALVE STEM (INLET) THREADS
54 - APPENDIX A - RECOMMENDED GAUGES FOR CYLINDER NECK AND VALVE STEM THREADS
54 - A1 GENERAL APPLICATION
54 - A2 DIMENSIONS AND FORMS
54 - A3 USE
54 - A4 HARDNESS
54 - A5 MARKING
60 - APPENDIX B - INTEGRITY AND LEAK TIGHTNESS OF OUTLET CONNECTIONS
60 - B1 GENERAL
60 - B2 FITNESS FOR PURPOSE OF OUTLET CONNECTIONS
60 - B3 METAL-TO-METAL SEALING CONNECTIONS
60 - B4 WASHER SEALING CONNECTIONS
60 - B5 O-RING SEALING CONNECTIONS
61 - B6 METHOD OF ACTUATION OF THE TIGHTENING NUT
62 - APPENDIX C - SOFT SEALING CONNECTIONS FOR LEISURE APPLICATION LP GAS APPLIANCES

Specifies requirements for valve outlet connections (threaded) and stem (inlet) threads for use with gas cylinders in general applications.

Committee
ME-002
DocumentType
Standard
ISBN
0 7337 8469 0
Pages
56
PublisherName
Standards Australia
Status
Superseded
SupersededBy
Supersedes
UnderRevision

This Standard specifies cylinder valve outlet connections (threaded). These connections are intended to be used with a nominated range of gases and within defined cylinder filling pressure ranges in order to minimize the possibility of hazardous misconnections and the use of downstream equipment at incorrect pressures.Dimensional details of the outlet connecting parts are included so that each connection, designated by its Type number, is fully defined and complete.The Standard also specifies some stem (inlet) and cylinder neck threads suitable to connect cylinders valves with cylinders, as well as gauging systems to ensure the accuracy of these threads.Although the main purpose in standardizing cylinder valve outlet connections is to prevent interconnection with incompatible gases or cylinder pressures, relying only on the valve outlet connection to prevent such interconnections is neither possible nor advisable. The primary means for identifying the contents of compressed gas cylinders is the cylinder markings, including labels.WARNING: THE CYLINDER VALVE OUTLET CONNECTION IS NOT THE ONLY SAFEGUARD AGAINST ACCIDENTAL MISUSE. THE GAS CYLINDER MARKINGS SHOULD BE CHECKED BEFORE EVERY USE.NOTES:1 Specifications of the outlet connections for medical gases applications are given in AS 2473.3.2 Specifications for outlet connections for use with SCUBA and SCBA applications are not given at this time. ISO 12209 Parts 1 to 3 specifies one such system.

Originated as part of AS B240-1966.
Previous edition part of AS 2473-1996.
Revised in part and redesignated as AS 2473.2-2007.

AS 4955.1-2003 Transportable gas cylinders - Compatibility of cylinder and valve materials with gas contents Metallic materials
AS 2473.3-2007 Valves for compressed gas cylinders Outlet connections for medical gases (including pin-indexed yoke connections) (Reconfirmed 2017)
AS 4484-2004
AS 4955.2-2003 Transportable gas cylinders - Compatibility of cylinder and valve materials with gas contents Non-metallic materials (ISO 11114-2:2000, MOD)
AS 2473.1-2006 Valves for compressed gas cylinders Specifications, type testing, and manufacturing tests and inspections (Reconfirmed 2017)
AS 1722.2-1992 Pipe threads of Whitworth form Fastening pipe threads (Reconfirmed 2017)
AS 2030.1-1999 The verification, filling, inspection, testing and maintenance of cylinders for storage and transport of compressed gases Cylinders for compressed gases other than acetylene
AS 1722.1-1975 Pipe threads of Whitworth form Sealing pipe threads (metric units)

AS/NZS 1425:2013 LP Gas fuel systems for vehicle engines
AS 2473.3-2007 Valves for compressed gas cylinders Outlet connections for medical gases (including pin-indexed yoke connections) (Reconfirmed 2017)
AS/NZS 2739:2009 Natural gas (NG) fuel systems for vehicle engines
AS 2030.1-2009 Gas cylinders General requirements
AS/NZS 1596:2008 The storage and handling of LP Gas
AS 4983-2010 Gas fuel systems for forklifts and industrial engines
AS 2030.5-2009 Gas cylinders Filling, inspection and testing of refillable cylinders
AS/NZS 1596:2014 The storage and handling of LP Gas

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