CEN/TS 16892:2015

This Technical Specification provides guidance for the minimum content of welding procedure specifications for the following welding processes:
-  hot gas welding: round nozzle, high speed nozzle, wedge;
-  extrusion welding;
-  heated tool welding: butt, socket, wedge;
-  solvent welding: socket;
-  electrofusion welding: socket, saddle.
This Technical Specification applies to the welding of the following products and semi-finished products made of thermoplastic materials:
-  sheet;
-  pipe;
-  fittings;
-  lining membrane.