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Preformed Tension Clamps Suppliers in China - Factory Offering High-Quality Conductor & Ground Wire Solutions

Utility Model Patent No.: ZL 2012 0507136.3

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Our preformed tension clamps are available in various types, including preformed conductor tension clamps, preformed ground wire tension clamps, and preformed tension clamps for pull lines. These clamps are designed to replace commonly used types in China, such as NY-type, NLL-type, and N-type clamps for securing conductors on poles and towers, as well as F-type and NXG-type clamps used with OPGW. As a leading manufacturer and supplier in the industry, our factory ensures high-quality products that meet your needs.

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The innovative structure of our preformed tension clamps consists of a double-helix twisting process that forms a hollow tube, complete with preformed twist loops at the ends. When these clamps are spirally wound around conductors or ground wires, they create a strong gripping force. The twist loops can easily attach to insulators, poles, towers, or ground anchors. Our unique design and manufacturing process provide distinct performance characteristics, making our clamps a reliable choice for suppliers and customers in China.

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    Product Details

    Catalogue Number Conductors GB/T1179-83 LGJ/LGJF Section (mm²) O.D (mm) Length Pieces
    LNL-16/3 45658 45732 5.55 444 3
    LNL-25/4 45772 45772 6.86 546 3
    LNL-35/6 12936 12936 8.18 622 3
    LNL-50/8 18476 18476 9.6 685 3
    LNL-70/10 25842 25842 11.4 738 3
    LNL-95/15 95/15 95/15 13.61 876 4
    LNL-95/20 95/20 95/20 13.87 876 4
    LNL-120/7 120/7 120/7 14.5 876 4
    LNL-120/20 120/20 120/20 15.07 889 4
    LNL-120/25 120/25 120/25 15.74 889 4
    LNL-150/8 150/8 150/8 16 889 4
    LNL-150/20 150/20 150/20 16.87 1016 5
    LNL-150/25 150/28 150/28 17.1 1016 5
    LNL-150/35 150/35 150/35 17.6 1016 5
    LNL-185/10 185/10 185/10 18 1016 5
    LNL-185/25 185/25 185/25 18.88 1155 6
    LNL-185/30 185/30 185/30 19.9 1155 6
    LNL-185/45 185/45 185/45 19.6 1155 6
    LNL-210/10 210/10 210/10 19.6 1155 6
    LNL-210/25 210/25 210/25 19.98 1155 6
    LNL-210/35 210/35 210/35 20.88 1155 6
    LNL-210/50 210/50 210/50 20.38 1155 6
    LNL-240/30 240/30 240/30 21.6 1270 8
    LNL-240/40 240/40 240/40 21.66 1270 8
    LNL-300/15 300/15 300/15 23.04 1270 8
    LNL-300/20 300/20 300/20 23.43 1270 8
    LNL-300/25 300/25 300/25 23.76 1442 10
    LNL-300/40 300/40 300/40 26.94 1442 10
    LNL-300/50 300/50 300/50 24.26 1442 10
    Frequently Asked Questions (FAQ)
    What standard does the LGJ/LGJF conductor follow?
    These conductors are manufactured in accordance with the GB/T1179-83 standard, which specifies the technical requirements for round wire concentric lay overhead electrical stranded conductors.
    What is the meaning of the nominal section values like 95/15 or 120/20?
    The values indicate the nominal cross-sectional area of the conductor. The first number represents the cross-sectional area of the aluminum part, while the second number represents the area of the steel core (in mm²).
    Why is the Outer Diameter (O.D.) measurement important?
    The Outer Diameter (O.D.) is critical for selecting compatible line fittings, tension clamps, and suspensions, as well as calculating wind load and ice load stresses on overhead transmission lines.
    How do length and piece specifications affect shipment and installation?
    The length and pieces are pre-calculated to fit standard shipping reels and optimized for standard transmission span installations to minimize structural joints and reduce line loss.
    What are the application environments for LGJ/LGJF conductors?
    These conductors are primarily used for overhead power transmission and distribution lines. The steel core provides additional tensile strength, making them ideal for long-span installations.

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