Foreword
1 Scope
2 Normative references
3 Requirements
3.1 General requirements
3.1.1 Marking
3.1.2 Documentation
3.1.3 Accessories - Nozzles
3.2 Hot gas welding requirements
3.2.1 Manual welding equipment
3.2.2 Continuous liner welding machines
3.3 Extrusion welding requirements
3.3.1 General
3.3.2 Automatic shut down
3.3.3 Requirements for the plastification system
3.3.4 Requirements for the preheating system
3.3.5 Requirements for the welding head
3.3.6 Requirements for the welding shoe
3.3.7 Requirements for pressing tools