Standard
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AS 2809.6:2019
[Current]Road tank vehicles for dangerous goods, Part 6: Tankers for cryogenic liquids
This Standard specifies requirements for the design and construction of road tankers for the transport of certain listed cryogenic liquids. It provides for vehicles which are specifically designed and constructed as road tankers, or which are conventional trucks provided with transportable tanks for use as tankers.
Published: 04/03/2019
Pages: 20
Table of contents
Cited references
Content history
Table of contents
Header
About this publication
Preface
1 Scope and general
1.1 Scope and application
1.1.1 Scope
1.1.2 Application
1.2 Normative references
1.3 Terms and definitions
2 Common requirements
2.1 General
2.1.1 Tank design
2.1.2 Insulation
2.1.3 Outer shell
2.1.4 Components required
2.1.5 Materials and component design
2.1.6 Cleaning
2.2 Protection against escape of cargo
2.2.1 Accident protection
2.2.2 Valving
2.2.3 Outlet protection
2.3 Relief and blow-off provisions
2.3.1 Safety valves
2.3.2 Reserve safety valves
2.3.3 Hydrostatic relief valves
2.3.4 Overpressure protection for the vacuum insulation space
2.4 Contents gauge
2.4.1 General
2.4.2 Location
2.4.3 Marking
2.5 Gauges
2.5.1 Pressure gauge
2.5.2 Vacuum gauge
2.6 Pressure build coil
2.7 Piping, valves and accessories
2.7.1 Design
2.7.2 Joints
2.7.3 Testing of pipework
2.7.4 Flexible pipe connections
2.7.5 Bleed valves
2.7.6 Manual shut-off valve
2.8 Pumps and compressors
2.8.1 Suitability
2.8.2 Pumps
2.8.3 Compressors
2.8.4 Location of controls
2.9 Transfer hoses and hose couplings
2.9.1 Transfer hoses
2.9.2 Connections
2.9.3 Assembly testing
2.9.4 Protection of hoses
3 Flammable and toxic cargo
3.1 Tank materials
3.2 Valves
3.3 Bleed valves
3.4 Cargo transfer controls
3.4.1 Protection of openings
3.4.2 Operational flow control
3.4.3 Openings for gauges
3.4.4 Vapour pressure gauges
3.4.5 Location of emergency stop buttons
3.4.6 Installation of excess-flow valves
3.5 Electric pump motors
4 Inspection and maintenance
4.1 General
4.2 Inspection and testing hoses
Appendix A
A.1 Introduction
A.2 General basis of tables
A.3 Hydrogen and helium
A.4 Carbon dioxide and nitrous oxide
A.5 Interpolation
A.6 Staged relief valves
A.7 Calculation for other conditions
A.8 References used in the preparation of the tables
A.9 Bibliography for table data
Bibliography
Cited references in this standard