What are the principal characteristics of the Valsir multi-layer pipes?
The multi-layer pipes produced by Valsir offer, on one side, the advantages of plastic pipes (in PEX) in that they are non toxic, lightweight, there are no incrustations, low pressure loss, and there are no corrosive effects. On the other hand we have the benefits of metal pipes such as it acting as a barrier to gas, low thermal expansion, dimensional stability, flexibility.