Advantages of PVC fittings

Attempts to create valves PVC began almost from the beginning of its industrial production. By its scale commercial production of polypropylene pipes impressive. Technology polypropylene PVC fittings required the complete refurbishment works, but switching to PEX tubing was predetermined – in fact if not for PVC fittings, replacement of valves made of metal, as before, would be produced every 10-15 years.