R-flex Single, 40mm (1.5 in.) x 160mm OD Jacket, by the foot

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    R-flex Single, 40mm (1.5 in.) x 160mm OD Jacket, by the foot

    Technical Information:

    Nominal ID40 mm (1-1/2 in.)
    PEX ID32.6 mm (1.28 in.)
    PEX OD40 mm (1.57 in.)
    Jacket OD160 mm (6.30 in.)
    Bend Radius13.8 in.
    Volume gal/100 ft.6.69 gal.
    Insulation Thickness1.88 in.
    Casubg R-value6.79
    Tubing MaterialOxygen Barrier Pex
    Jacket MaterialDouble Wall HDPE
    ManufacturerWatts Radiant
    Operating Temperature & Pressure200 deg F @ 80 psi
    Operating Temperature & Pressure180 deg F @ 100 psi
    Operating Temperature & Pressure73 deg F @ 160 psi

    R-flex Insulated Piping System

    R-flex is a flexible pre-insulated PEX with a corrugated, double-wall HDPE cover suitable for direct burial. R-flex is manufactured in accordance with DIN 16892/16893, with a DIN 4726 oxygen barrier.


    • Hydronic heating
    • Hydronic snow melting
    • District heating
    • Commercial and process piping
    • Geothermal
    • Agricultural piping
    • Biomass heat sources
    • Wood-fired boilers
    • Solar
    • Cooling towers & chilled water systems
    Note: A cut charge will be incurred with custom cut lengths. Cut Charge Standard is for cuts in 25 foot increments (i.e. 25', 75', 150'). Cut Charge Non-Standard is for any other length increment,(i.e. 80', 105', 170').

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