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Preformed Guard Wires (SHL) (4).jpg
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China Suppliers for Preformed Guard Wires (SHL) - Reliable Factory Solutions for Conductor Protection

Overview of Preformed Guard Wires

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Preformed guard wires (SHL) are essential components used to safeguard conductors against vibration, clamp pressure, abrasion, arcing, and various external damages. Manufactured in China by leading suppliers, these guard wires efficiently protect conductors, ensuring their longevity and performance.

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In instances of mild abrasion, these preformed guard wires serve as a protective barrier, preventing further arcing and damage to affected conductor sections. They also function as repair strips, effectively restoring the mechanical strength and electrical conductivity of damaged conductors.

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Moreover, preformed guard wires provide valuable protection for branch clamps, mitigating risks associated with bending and abrasion at conductor branch points. Designed and produced in factories in China, the structure of these guard wires is straightforward: a series of preformed wires assemble into a hollow tube that creates a gripping force when wrapped around the conductor, delivering optimal protection.

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    Product Details

    Selection Table of Preformed Armor Rods for Steel - Reinforced Aluminum Stranded Wire

    Company Product Model Industry Standard Model Applicable Conductor Type (GB1179 - 83)
    Steel - Reinforced Aluminum Stranded Wire LGJ/LGJF    		 Reference Length (mm) Wire Diameter (mm) Wire Weight (Kg) Color Code
    Conductor Model Outer Diameter
    HL - 35/6 HL - 35/6 Jun-35 8.16 1100 3 0.22 Red
    HL - 50/8 HL - 50/8 Aug-50 9.36 1270 3 0.3 Black
    HL - 95/15 HL - 95/15 95/15 13.37 1400 3.6 0.55 Yellow
    HL - 95/20 HL - 95/20 95/20 13.57 0.58 Yellow - green
    HL - 95/55 HL - 95/55 95/55 16.8 1500 3.6 0.7 Red
    HL - 120/7 HL - 120/7 120/7 14.5 1400 3.6 0.58 White
    HL - 120/20 HL - 120/20 120/20 15.07 0.63 Blue - white
    HL - 120/25 HL - 120/25 120/25 15.74 4.6 0.63 Brown
    HL - 150/8 HL - 150/8 150/8 16 1800 3.6 0.75 Red
    HL - 150/20 HL - 150/20 150/20 16.67 1500 0.7 Red
    HL - 150/25 HL - 150/25 150/25 17.1 3.6 0.75 Blue
    HL - 150/35 HL - 150/35 150/35 17.9 Blue - green
    HL - 185/10 HL - 185/10 185/10 18.5 1.28 Yellow
    HL - 185/25 HL - 185/25 185/25 18.8 1800 1.31 White
    HL - 185/30 HL - 185/30 185/30 19.38 1.3 Blue - green
    HL - 185/45 HL - 185/45 185/45 19.4 4.6 White
    HL - 210/10 HL - 210/10 210/10 19.9 1.3 White
    HL - 210/25 HL - 210/25 210/25 20.38 1.31 Brown
    HL - 210/50 HL - 210/50 210/50 20.86 Purple
    HL - 240/30 HL - 240/30 240/30 21.6 1900 4.6 1.53 Blue
    HL - 240/55 HL - 240/55 240/55 22.6 Blue - green
    HL - 300/15 HL - 300/15 300/15 23.01 2000 6.3 2.26 Black
    HL - 300/20 HL - 300/20 300/20 23.43 2.44 White
    HL - 300/25 HL - 300/25 300/25 23.76
    HL - 300/50 HL - 300/50 300/50 24.26 2.46 Brown
    HL - 300/70 HL - 300/70 300/70 25.2 2.48 Blue
    HL - 400/20 HL - 400/20 400/20 26.91 2200 6.3 2.98 Blue - green
    HL - 400/35 HL - 400/35 400/35 26.73 3 Green
    HL - 400/50 HL - 400/50 400/50 27.82 Yellow
    HL - 400/95 HL - 400/95 400/95 28.14 3.1 White
    HL - 500/35 HL - 500/35 500/35 30 2500 6.3 3.77 Brown
    HL - 500/45 HL - 500/45 500/45 30.3 Orange
    HL - 500/65 HL - 500/65 500/65 30.6 Purple
    HL - 630/45 HL - 630/45 630/45 33.4 7.8 5.1 Yellow - green
    HL - 630/80 HL - 630/80 630/80 34.32 5.4 Black
    HL - 630/100 HL - 630/100 630/100 35.42 6 Red
    HL - 800/55 HL - 800/55 800/55 38.4 7.8 6 Red
    HL - 800/70 HL - 800/70 800/70 38.58 6.1 Blue
    HL - 800/100 HL - 800/100 800/100 38.98 6.2 Blue - green

    Frequently Asked Questions (FAQ)

    What are preformed armor rods used for?

    Preformed armor rods are designed to protect overhead conductors against damage caused by bending, compression, abrasion at the support point, and to protect against arc-over. They also help reduce wind-induced vibration.

    How do I select the right model of armor rods for my conductor?

    You should match the applicable conductor model (such as LGJ/LGJF stranded wire) and its outer diameter with the specifications shown in our selection table. Ensure the outer diameter matches the range of the corresponding armor rod model.

    What does the color code on the armor rods indicate?

    The color code is used for quick identification and verification on site. It ensures that installers can easily match the correct set of armor rods with the designated conductor size, preventing installation errors.

    Are these armor rods compatible with the GB1179-83 standard?

    Yes, all the models listed in our selection table are specifically designed to fit Steel-Reinforced Aluminum Stranded Wire (LGJ/LGJF) manufactured according to the GB1179-83 national standard.

    Can preformed armor rods be reused after removal?

    It is generally recommended not to reuse preformed armor rods once they have been fully installed and subjected to service tension. Reinstallation may compromise their grip strength and vibration-damping performance.

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