The Poly-Flo co-extruded double-containment piping system from Asahi/America is available in black PE and euro grey PP-R. It is ideal for installations with space constraints and systems where thermal expansion and contraction are present. The system includes full pressure, drainage and machined fittings. This SDR-designed system is available in 1- by 1 1/2-, 2- by 3- and 4- by 6-inch sizes, and operates up to 150 psi at 68 degrees F. Black PE is suited for outside, above-ground applications because of its UV resistance, and it performs well in underground installations because of its resistance to crack propagation. Euro grey PP-R is ideal for applications running at higher temperatures due to its high pressure rating. The system is available with manual and low-point leak detection sensors. 800/343-3618;

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