PVC-U

A high-speed multi-extrusion line was recently delivered by Sica to a processor of PVC-U pipes for cable conduits and the protection of electrical cables. The line has been designed to perform pipe pulling, cutting, belling and packaging operations and is able to handle quadruple-extruded pipes with external diameter from 16 to 63 mm...

A Rieber type belling process specific for PVC-O pipes (i.e. polymer pipes with oriented molecules) has been developed by Sica, an Italian manufacturer of plastic pipe processing equipment. These pipes have wall thicknesses approximately 35-40% lower than those made of PVC-U with the same operating pressure and make it possible to...