GW 335-A6 Technical Requirements 12/2015
Plastics Piping Systems for Gas and Water Supply; Requirements and Testing; Part A6: PA-U 160 and PA-U 180 Pipes and their Joints and Connections ++ PDF file ++
- Herausgeber/Verlag: DVGW
- Format: 24 pages
- Material: available as PDF only
- Ausgabe: 1st edition 2015
- Hinweis: German version GW 335-A6
- Verkaufseinheit: 1
- Mindestabnahme: 1
- Artikel-Nr.: 510103
62,03 €*
Testing and Approval of Devices have been prepared by the project group Plastics in Gas and Water Supply Systems on behalf of the Technical Committees on Gas Distribution, Gas Transmission Lines and Water Supply System Components.
Foreword
1 Scope
2 Normative references
3 Requirements and testing
3.1 Quality management, test samples, scope of testing / monitoring, product groups
3.2 Colour
3.3 Density
3.4 Water content (including volatile components)
3.5 Solution viscosity
3.6 Thermal analysis (DSC)
3.7 Weathering resistance
3.8 Fast crack propagation
3.9 Slow crack growth
3.10 Weldability
3.11 Resistance to chemicals (gas only)
3.12 Hygiene (water only)
3.13 Condition (including storage and delivery form)
3.14 Dimensions
3.15 Heat ageing (pipes)
3.16 Homogeneity
3.17 Elongation at break (pipes)
3.18 Electrical properties (electrofusion fittings)
3.19 Internal pressure fatigue strength (pipes)
3.20 Burst pressure (pipes)
3.21 Internal pressure fatigue strength (welds)
3.22 Tensile fatigue test (electrofusion welds)
3.23 Peeling resistance (electrofusion sockets)
3.24 Impact resistance (electrofusion saddle joints)
3.25 Tensile strength (buttweldings)
3.26 Labelling
Annex A (normative) ? Preparation for weld testing
1 Scope
2 Normative references
3 Requirements and testing
3.1 Quality management, test samples, scope of testing / monitoring, product groups
3.2 Colour
3.3 Density
3.4 Water content (including volatile components)
3.5 Solution viscosity
3.6 Thermal analysis (DSC)
3.7 Weathering resistance
3.8 Fast crack propagation
3.9 Slow crack growth
3.10 Weldability
3.11 Resistance to chemicals (gas only)
3.12 Hygiene (water only)
3.13 Condition (including storage and delivery form)
3.14 Dimensions
3.15 Heat ageing (pipes)
3.16 Homogeneity
3.17 Elongation at break (pipes)
3.18 Electrical properties (electrofusion fittings)
3.19 Internal pressure fatigue strength (pipes)
3.20 Burst pressure (pipes)
3.21 Internal pressure fatigue strength (welds)
3.22 Tensile fatigue test (electrofusion welds)
3.23 Peeling resistance (electrofusion sockets)
3.24 Impact resistance (electrofusion saddle joints)
3.25 Tensile strength (buttweldings)
3.26 Labelling
Annex A (normative) ? Preparation for weld testing