WL Plastics Fusion Procedures

a_w_WL_101

Joining & Field Procedures

For Pipe

PE3608/PE3408

PE4710/PE3408

PE2606/PE2406

PE2708/PE2406

Table of Contents

Pipe Unloading and Handling 5
Unloading Guidelines 5
Jobsite Pipe Storage, Unpacking, and Handling 5
Pipe Weight 6 6
Subfreezing and Inclement Weather Conditions 6
Field Bending 6
Hazardous Environments 6
Static Electric Discharge 6
Underground Excavation 7
Confined Spaces 7
Fusion and Joining 7
Liquid Hydrocarbon Permeated Pipe 8
Butt Fusion 8
Butt Fusion Procedure 9
Secure the Components in the Butt Fusion Equipment 9
Face the Component Ends 9
Align the Faced Component Ends 10
Melt the Component Ends 10
Join, Apply and Hold Fusion Joining Force, Cooling 11
Visually Inspect Fusion Bead Appearance 12
Approximate Butt Fusion Joining Rates 12
Bead Removal 13
Saddle (Sidewall) Fusion 13
Required Equipment 14
Optional Equipment 14
Saddle Fusion Terms 14
Heating Tool Temperature 15
Saddle Fusion Procedure 15
Preparation 16
Heating 16
Fusion and Cooling 16
Visually Inspect Fusion Bead Appearance 17
Socket Fusion and Electrofusion 17
Fusion Training and Proficiency 18
Data Logging 19
Electrofusion 19
Extrusion and Hot-Air (Hot-Gas) Welding 19
Tapered Pipe Threads 19
Mechanical Connections 19
Testing 20
Field Leak Testing 20
Pneumatic Tests 21
Field Pressure Testing21 21
Installation 21
Repair 21
Operating Procedures 22
Disinfecting Potable Water Piping 22
Squeeze-Off 22
Cleaning 22
References 23

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Joining and field procedures for pipe