Standard
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AS 2337.1-2004
[Current]Gas cylinder test stations, Part 1: General requirements, inspection and tests — Gas cylinders
Specifies requirements and procedures for a gas cylinder test station to carry out initial and periodic inspection of gas cylinders covered by AS 2030.1 and test stations to obtain a certificate of conformity.
Published: 30/08/2004
Pages: 54
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 Test station compliance
2 Classification of test station operations
2.1 General
2.2 Types of cylinders and contents
2.3 Modes of operation
2.4 Equipment requirements
3 Personnel, procedures and basic equipment
3.1 Management and personnel
3.1.1 General
3.1.2 Test station manager
3.1.3 Nominated signatory(ies)
3.1.4 Inspector(s)
3.1.5 Other personnel
3.1.6 Mobile test stations
3.2 Operations and procedures
3.3 Workplace and equipment
3.3.1 Workplace
3.3.2 Basic equipment
4 Inspections and tests to be performed
4.1 Identification of cylinder and preparation for inspection and tests
4.2 Cylinders already stamped with a certificated test station mark
4.3 Inspection of cylinders without a certificated test station mark
4.4 Inspection where the cylinder shows evidence of a defect prior to filling
4.5 Repaired cylinders
4.6 Change of gas traffic
5 Preparation for inspection and test
5.1 Initial certificated test station mark
5.1.1 General
5.1.2 Re-inspection of new cylinders
5.2 Identification of gas contents
5.2.1 Hydrogen or embrittling gases
5.2.2 Toxic or flammable gases
5.2.3 Non-conforming cylinders
5.3 Depressurization and valve removal
5.3.1 General
5.3.2 Obstructed valves
5.3.3 Release of gas from an obstructed valve
6 Visual inspections
6.1 General
6.2 External examination
6.2.1 Preparation for examination
6.2.2 External inspection procedure
6.2.3 Heat damaged aluminium and stainless steel cylinders
6.3 Internal examination
6.3.1 Internal cleaning
6.3.2 Inspection procedure
6.4 Inspection of cylinder neck
6.4.1 General
6.4.2 Cylinder to valve thread
6.4.3 Re-tapping damaged internal neck threads
6.4.4 O-ring groove
6.4.5 Other neck surfaces
6.4.6 Neck ring and collar attachment
6.4.7 Non-pressure retaining attachments
6.5 Defects and action
7 Pressure test or ultrasonic examination
7.1 General
7.2 Hydraulic pressure tests
7.2.1 General
7.2.2 Test equipment
7.2.3 Hydraulic stretch test (default test method)
7.2.3.1 General
7.2.3.2 Stretch test rejection criteria
7.2.4 Hydraulic proof test
7.2.4.1 General
7.2.4.2 Test criteria
7.2.4.3 Proof test rejection criteria
7.2.5 Drying
7.3 Ultrasonic examination
7.3.1 Introduction
7.3.2 Acceptance criteria
7.4 Acoustic emission test
7.4.1 Introduction
7.4.2 Acceptance criteria and records
8 Tare mass testing
8.1 General
8.2 Equipment
8.3 Accuracy of equipment
8.4 Calibration period
8.5 Rejection criteria
9 Procedures for cylinders which have failed an inspection or test
9.1 General
9.2 Rejected cylinders
9.3 Condemned cylinders
9.4 Re-heat treatment (steel cylinders only)
10 Procedures for cylinders which have passed an inspection or test
10.1 Stamping
10.2 Valve installation
10.2.1 General
10.2.2 Valve inspection
10.2.2.1 General
10.2.2.2 Cleaning
10.2.2.3 External examination
10.2.2.4 Acceptance criteria for inspected valves
10.2.3 Safety devices
11 Records and test report
11.1 Records
11.1.1 Cylinder records
11.1.2 Test equipment records
11.1.3 Electronic data
11.2 Test report
Appendix A
A1 General
A2 Accuracy of equipment
A3 Calibration period
A3.1 Static stations
A3.2 Transportable stations
A3.3 Equipment
A3.3.1 Non-water-jacket apparatus
A3.3.2 Water-jacket apparatus
A3.4 Test procedure
A3.4.1 General
A3.4.2 Non-water-jacket apparatus
A3.4.3 Water-jacket apparatus
A3.4.4 Calculation of results
Appendix B
B1 General
B2 Apparatus
B3 Procedure
Appendix C
C1 Application
C2 General precautions
C3 Test temperature
C4 Test pressure
C5 Test procedure
C5.1 General
C5.2 Fittings
C5.3 Application of pressure
C5.4 Acceptance criteria
C6 Reporting of results
Appendix D
Appendix E
E1 Introduction
E2 Duties
Appendix F
Appendix G
Appendix H
H1 General
H2 Inspection procedure
H3 Inspection of cylinders with a machined area
H4 Inspection of cylinders without a machined area
H5 Periods between inspections
Appendix I
Cited references in this standard
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