WRW Multilayer Pipes – A brochure to its 25th anniversary for download
WRW, Westfäliche Rohrwerke Rohrwerke /Germany presents a brochure to its 25th anniversary of overlapped welded Multilayer Pipes. It can be downloaded either in german or english language: http://www.wrw-ahlen.com/en.innovation.html.
The History in brief: 1983: The development of the first multi-layer pipe ready to go into production in line with the Nadia technique.
The team got its baptism of fire with the first production stage of multi-layer pipes in line with the Nadia patent. In the following years the competences in production have been consistently developed.
1987: The development of the first lap-welded multi-layer pipe made of plastic material cross-linked by irradiation.
The production of a pipe made of PE-Xc, the first plastic material cross-linked by irradiation in lap-welded multi-layer pipes, began.
1997: The first use of PE-RT in the production of multi-layer pipes.
The material was changed to PE-RT, which today can be considered as the standard material for multi-layer pipes.