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AS ISO 6993.1-2007
[Current]Buried, high-impact poly(vinyl chloride) (PVC-HI) piping systems for the supply of gaseous fuels, Part 1: Pipes for a maximum operating pressure of 1 bar (100 kPa) (ISO 6993-1:2006, MOD)
Adopts ISO 6993-1:2006, with modification, to specify the requirements for pipes made of high-impact poly(vinyl chloride) (PVC-HI) intended to be used for the supply of gaseous fuels through buried pipelines having an operating temperature range of 0 degrees Celsius up to and including +30 degrees Celsius and a maximum operating pressure of 1 bar (100 kPa).
Published: 12/07/2007
Pages: 22
Table of contents
Cited references
Content history
Table of contents
Header
About this publication
Preface
1 Scope
2 Normative references
3 Terms and definitions
3.1 Geometrical definitions
3.2 Material definitions
3.3 Definitions related to service conditions
4 Symbols and abbreviated terms
4.1 Symbols
4.2 Abbreviated terms
5 Material
5.1 Composition
5.2 Long-term strength
5.3 Vicat softening temperature
5.4 K-value
5.5 UV stability
5.6 Resistance to gas constituents
6 General characteristics
6.1 Contaminants
6.2 Appearance and finish
7 Geometrical characteristics
7.1 Measurements
7.2 Nominal outside diameter
7.3 Mean outside diameter
7.4 Out-of-roundness
7.5 Wall thickness
8 Physical characteristics
8.1 Degree of gelation
8.2 Longitudinal reversion
9 Mechanical characteristics
9.1 Resistance to internal hydrostatic pressure
9.2 Resistance to external blows at 0 °C
9.3 Ring stiffness for pipes dn ≥ 63
10 General requirements for pipes
11 Test methods
11.1 General
11.2 Determination of the particle size of contaminants
11.3 Determination of resistance to weathering
11.4 Determination of the resistance to internal hydrostatic pressure of pipes
12 Marking
Annex A
A.1 Principle
A.2 Apparatus
A.2.1
A.2.2
A.2.3
A.2.4
A.2.5
A.2.6
A.2.7
A.2.8
A.3 Gas medium
A.4 Contact liquid
A.5 Test pieces
A.6 Test procedure
A.7 Requirement
Annex B
B.1 Principle
B.2 Testing and conditioning
B.3 Interpretation of results
Bibliography
Annex ZZ
ZZ1 Introduction
ZZ2 Variations to ISO 6993-1
Cited references in this standard
Content history
[Current]
[Superseded]
[Superseded]
[Superseded]
[Superseded]
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