Made of stress crack-resistant PE resin, Chem Prolok™ is certified to NSF/ANSI 61-G as safe for drinking water and will safely convey liquid chemical with pH range from 1–14. Thermoplastic double wall piping system, available in pipe and fitting sizes from 1 x 3 in. to 12 x 16 in., is UV resistant and suitable for above and in-ground applications. Joined primarily using simultaneous butt fusion, chemical-resistant system helps meet EPA requirements for underground chemical transfer.
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