Pipe, Valve & Fitting Products are available from Professional Plastics in a full-range of materials from general purpose materials such as ABS, PVC & Polyproplylene to high-performance materials such as CPVC, PVDF, & Flame-Resistant materials. Plastic pipes offer corrosion-resistant performance in appplications ranging from high-purity fluid handling, to commercial and residential wastewater treatment and sewer systems.