PEX-AL-PEX Multilayer Pipes (for Gas)

PEX-AL-PEX Multilayer Pipes (for Gas)
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PEX-AL-PEX multilayer pipes are a revolutionary product for gas market. They are proven to be more cost-effective, easier and faster to install, as well as to have superior characteristics and benefits as compared with traditional gas pipes. The PEX-AL-PEX pipe comes with 5 layers. The inner and outermost layers are PEX and central core layer is overlap-welded aluminum. They are bonded by hot melt adhesives.

    Pipe Colors
    Inner layer: black
    Outer layer: Yellow, gray
    Executive Standard: GB/T 18997.1, ISO 17484-1, AS 4176.8
    Features of our PEX-AL-PEX Multilayer Pipes
    1. A perfect gas piping solution made using high-class crosslinked polyethylene;
    2. Excellent resistance to corrosion and high strength;
    3. Coiled pipe need much less fittings;
    4. Easy installation and connection

    Applications
    Suitable for indoor NG and LPG pipe system with maximum operating pressure of up to 0.4Mpa

    Specifications of PEX-AL-PEX Multilayer Pipes
    Spec. (mm) Wall Thickness (mm) Min ring Strengths (N) Min burst Pressure (Mpa) Package (m/coil)
    1216 2.0 2300 6.00 200
    1620 2.0 2500 5.00 100
    2025 2.5 2500 4.00 100
    2532 3.0 2650 4.00 100
    Properties
    Bending radius ≥5D(D means outside diameter)
    Working temperature 40 ℃ -60℃
    Oxygen - permeability 0
    Coefficient of roughness 0.0004mm
    Hydrostatic Sustained Pressure Test 10h, 60℃, 2.72Mpa, No burst occur
    Delamination No delamination when tested with the adapter tool (1.1ID)
    Fusion Line Test No visible damage when tested with the adapter tool(1.1 ID)
    Resistance to gas group performance Test Medium The maximum rate of change of average quality The average maximum tensile force control loop rate of change of radial
    Mineral Oil 0.5 ± 12
    Tert-butyl Mercaptan -0.5
    Methanol Into Ethylene Glycol 1.0
    Toluene 1.0

    Copper Fittings for Gas Pipe System
    Due to different connection methods, the fittings for our PEX-AL-PEX multilayer pipes come in three types: Slip-on fittings, press fittings and compression fittings.
    Fitting specifications: dn16-dn32

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