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AS 2809.4:2022
[Current]Road tank vehicles for dangerous goods, Part 4: Road tank vehicles for toxic, corrosive or ammonium nitrate emulsion, suspension or gel cargoes
This document specifies requirements for the design, construction, inspection and testing of road tank vehicles for the transport of Class 5.1, 6.1 or 8 as defined in the ADG Code covering oxidising, toxic or corrosive cargo, as defined in the ADG Code. This document is complementary to AS 2809.1. For cargo which is a compressed liquefied gas, refer to AS 2809.3 in addition to this document.
Published: 27/05/2022
Pages: 12
Table of contents
Cited references
Content history
Table of contents
Header
About this publication
Preface
Introduction
1 Scope and general
1.1 Scope
1.2 Application
1.3 New designs and innovations
1.4 Normative references
1.5 Terms and definitions
1.6 Tank type classification
2 Pressure tanks of Types 1, 2 and 3
2.1 Application
2.2 Pressure tank design and construction
2.2.1 Design criteria
2.2.2 Design pressure
2.3 Valves and fittings
2.3.1 Shut-off valves
2.3.2 Pressure relief devices
2.3.3 Outlet connection
2.3.4 Piping
2.3.5 Location of tank openings
2.4 Additional requirements for higher hazards type 1 tanks
2.4.1 Piping
2.4.2 Pumping equipment
2.4.3 Tank openings
3 Tanks of types 4 and 5
3.1 Application
3.2 Materials
3.2.1 Standards
3.2.2 Material grades
3.2.3 Chemical resistance
3.3 Tank design and construction
3.3.1 Type 4 tank design and construction
3.3.2 Type 5 tank design and construction
3.3.3 Baffles
3.4 Compartment openings, valves and vents
3.4.1 General
3.4.2 Compartment openings
3.4.3 Valves
3.4.4 Provision of vents
3.4.5 Top openings
3.5 Pipework and pipe fittings
3.5.1 Suitability
3.5.2 Provisions for movement
3.6 Pumps
3.6.1 Suitability
3.6.2 Prevention of overpressure
3.7 Pump drives
3.7.1 Protection
3.7.2 Shielding of pump shaft
3.7.3 Location of controls
3.8 Testing
3.8.1 Tanks
3.8.2 Hatch assembly
3.8.3 Piping
3.8.4 Inspection and testing of hoses
4 Tanks of Type 6
4.1 Application
4.2 Materials
4.3 Chemical resistance
4.4 Enclosed air spaces
4.5 Tank design and construction
4.6 Compartment openings
4.7 Valves
4.8 Vents
4.8.1 Free venting
4.8.2 Emergency venting
4.8.2.1 General
4.8.2.2 Aluminium tanks
4.8.2.3 Steel and stainless-steel tanks
4.8.3 Fire
4.8.4 Security
4.8.5 Ullage
Bibliography
Cited references in this standard
[Current]
Road tank vehicles for dangerous goods, Part 1: General requirements for all road tank vehicles
[Current]
Road tank vehicles for dangerous goods, Part 2: Road tank vehicles for flammable liquids
[Obsolescent]
Chemical plant equipment made from glass-fibre reinforced plastics (GRP) based on thermosetting resins
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