ISO 11413:2019
Plastics pipes and fittings — Preparation of test piece assemblies between a polyethylene (PE) pipe and an electrofusion fitting
This document specifies a method for the preparation of test pieces assembled from polyethylene (PE) pipes or spigot-ended fittings and electrofusion fittings (e.g. socket fittings such as couplers, or saddles).
The assembly criteria specified include parameters such as ambient temperature, fusion conditions, fitting and pipe dimensions, pipe configuration (coiled or straight pipe), taking into account the limiting service conditions specified by the relevant product standards.
This document can apply to other shapes, e.g. re-rounded pipes, dependent on the manufacturer's instructions.
NOTE For the purpose of this document, PE is understood to be PE, PE-RT or PE-X.
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Foreword
1 Scope
2 Normative references
3 Terms and definitions
4 Symbols
4.1 General symbols (see Figure A.1)
4.2 Clearances
4.2.1 Socket fittings
4.2.2 Saddles
4.3 Ambient temperature
5 Joint assembly
5.1 General
5.2 Procedure
Annex A (normative) Symbols for dimensions of an electrofusion socket
Annex B (normative) Diagrammatic representation of variation in fusion energy with ambient temperature
Annex C (normative) Conditions for the preparation of pipes and fittings
Annex D (normative) Determination of fusion-jointing electrical parameters using energy, voltage and current tolerances from ISO 12176-2
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Foreword
1 Scope
2 Normative references
3 Terms and definitions
4 Symbols
4.1 General symbols (see Figure A.1)
4.2 Clearances
4.2.1 Socket fittings
4.2.2 Saddles
4.3 Ambient temperature
5 Joint assembly
5.1 General
5.2 Procedure
Annex A (normative) Symbols for dimensions of an electrofusion socket
Annex B (normative) Diagrammatic representation of variation in fusion energy with ambient temperature
Annex C (normative) Conditions for the preparation of pipes and fittings
Annex D (normative) Determination of fusion-jointing electrical parameters using energy, voltage and current tolerances from ISO 12176-2