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AS 4176.8-2010
$213.50
Multilayer pipes for pressure applications, Part 8: Multilayer pipe systems for consumer gas installations with a maximum operating pressure up to and including 5 bar (500 kPa) — Specifications for systems (ISO 17484-1:2006, MOD)
Adopts ISO 17484-1:2006 to specify general requirements and performance requirements for pipes and joints made of multilayer construction intended to be used for consumer gas installations with a maximum operating pressure up to and including 5 bar (500 kPa).
Table of contents
Header
About this publication
Preface
Introduction
1 Scope
2 Normative references
3 Terms, definitions and symbols
3.1 Structural definitions
3.2 Geometrical definitions
3.3 Definitions related to pressure
3.4 Materials definitions
3.5 Definitions related to material characteristics
3.6 Terms related to service conditions
4 Requirements for the system
4.1 Pressure drop
4.2 Bending
4.3 Corrosive conditions
5 Pipes
5.1 Material
5.1.1 General
5.1.2 Reprocessable materials
5.1.3 Metallic materials
5.1.4 Product classification and construction group
5.2 General characteristics
5.2.1 General
5.2.2 Multilayer pipe construction
5.2.3 Minimum overall service (design) coefficient
5.3 Dimensions of pipes
5.4 Mechanical properties
5.4.1 Long-term pressure strength
5.4.1.1 General
5.4.1.2 Procedure I — Calculation method
5.4.1.3 Procedure II — Testing method
5.4.1.4 Pressure strength of all diameters
5.4.1.5 Calculation of the control points
5.4.1.5.1 Procedure I for P-pipes
5.4.1.5.2 Procedure II for P-pipes and M-pipes
5.4.2 Strength of the joint line of M-pipe
5.4.3 Resistance to slow crack growth of the outer layer (cone test) for M-pipes
5.5 Physical properties
5.5.1 General
5.5.2 Additional requirements
6 Fittings
6.1 General
6.1.1 Fitting reference standards
6.1.2 Installation
6.2 Materials
6.3 Dimensions
6.4 Transition fittings
6.5 Rubber rings
7 Fitness for purpose
7.1 Diameter classes
7.2 Relation between maximum operating pressure and qualification test pressure
