Chem Prolok™ is a thermoplastic double wall piping system that meets EPA requirements for underground chemical transfer. It has been certified by NSF to NSF/ANSI 61-G to be safe for drinking water. Made of the highest stress crack resistant PE resin, it offers broad chemical resistance, low installed cost and safe long-term, maintenance-free service. Typical applications include water and wastewater treatment, process piping, pressure or drainage. Available in pipe and fitting sizes from 1" x 3" through 12" x 16", the system is designed to safety convey liquid chemical applications with a pH range from 1 to 14.
Asahi/America, Inc., www.asahi-america.com