BE-15 Pipes and Materials: Welding of Plastic Pipes

Heating element butt welding

Controlling the welding seam

The visual inspection serves to examine butt weldings with regard to the following aspects:

  • The welding beads have to be equally round and clearly visible
  • All beads are supposed to be of equal size approximately
  • The bead surfaces have to be smooth
  • The beads are to be free of notches
  • The displaced joint should not exceed 10% of the pipe wall thickness

 

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