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  • Prysmian and Draka Cable PEST-Duct Cable(PolyEthylene Steel Tape)

    Design Parameters:
    Innerduct: Black high density polyethylene (HDPE) meeting ASTM 3350 requirements with TC-7 wall thickness.

    Armor: 6 mil steel with adhesive polymer applied to one side. The minimum bond strength of the steel to the outer jacket is 4 lbs. per square inch.

    Jacket:
    • 660 mil thick HDPE meeting ASTM 3350, nominally orange or black but can be colored to your specifications. Ratings
    • The duct is composed of black (other colors available), highdensity polyethylene meeting the requirements (Class C, Grade PE33) of ASTM 3350 — Standard Specification for Polyethylene Plastics Pipe and Fittings Material.

    Applications:
    • PEST-Duct® is a specially manufactured HPDE duct that is used where additional mechanical protection of cable is of primary importance. Suitable for both aerial and buried installation, this construction combines the protection of a metal armor with the low cable pulling friction and and low dielectric constant of HDPE. It is shipped with sealed ends to prevent entry of moisture and other contaminants.
    • PEST-Duct can be supplied empty, with a pull line, or with Draka cables preinstalled. Conductors available include THHN/THWN, EPRUSE, XHHW-2, RHH/RHW-2, XLP-USE, L-824B or C airport lighting cable, fiber optic cable, paired communication/coax cables, aluminum conductors and medium voltage cables. Tests have shown that the average lightning resistivity of PEST-Duct is up to 140kV.

    Specifications and Ratings:
    • ASTM D3485 – Standard specification for smooth wall coilable polyethylene (PE) conduit (duct) for preassembled wire and cable
    • HDPE meets the requirements (Class C, Grade PE33) of ASTM D3350 – Standard specification for polyethylene plastics pipe and fittings material

    duct
    trade size
    in (mm)
    inner
    diameter
    nominal
    in (mm)
    wall
    thickness
    minimum
    in (mm)
    wall
    thickness
    tolerance +/-
    in (mm)
    outside
    diameter
    nominal
    in (mm)
    outside
    diameter
    tolerance +/-
    in (mm)
    weight
    nominal
    lbs/mft
    (kg/km)
    crush force
    to 50%
    diameter
    mlbs/mft
    bend
    radius
    nominal
    in
    pulling
    tension
    lbs
    .75 (19.1) .910 (23.1) .06 (1.5) .02 (.51) .06 (1.5) 1.24 (34.5) 281 n/a 15 n/a
    1.00 (25.4) 1.15 (29.2) .075 (1.9) .02 (.51) .06 (1.5) 1.51 (38.4) 408 640 16.75 1120
    1.25 (31.8) 1.44 (36.6) .10 (2.5) .02 (.51) .06 (1.5) 1.65 (41.9) 548 700 20.5 1395
    1.50 (38.1) 1.65 (41.8) .115 (2.9) .02 (.51) .06 (1.5) 2.10 (53.3) 656 707 23.25 1588
    2.00 (50.8) 2.07 (52.6) .145 (3.7) .02 (.51) .06 (1.5) 2.57 (65.3) 904 750 28.5 1754

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