PVC schedule 40 NSF fitting from 1/2" to 6". PVC fittings never rust, scale, or pit. PVC can handle fluids up to 140°F. Lower material costs, lighter weight and ease of installation, can reduce costs by as much as 60% over metal systems. Smooth interior walls result in lower pressure loss and higher volume than conventional metal fittings. PVC Valve products are available for total system compatibility and uniformity;