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One Cable Special Cable (Shanghai) Co., Ltd
Underwater armored coaxial cable
NegotiableUpdate on 01/31
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Overview
Underwater armored coaxial cables are commonly used in scientific research vessels, CTD surveys, and hoisting applications in China today. Long distance armored coaxial cables are the most commonly used, with a characteristic impedance of generally 50 Ω or 75 Ω. Through signal loading, the central conductor can simultaneously supply power to underwater equipment and transmit signals in both directions; It can be armored with two or three layers of steel wire or supported by Kevlar fiber; Using wrapped woven shielding tape instead of interwoven woven shielding mesh to prevent excessive lateral pressure on the cable when passing through the pulley due to heavy objects being lifted, which may cause the shielding layer to be crushed and break, resulting in a decrease in electrical performance such as characteristic impedance and electromagnetic interference resistance.
Product Details
With the rapid development of communication infrastructure,underwaterArmored coaxial cables are widely used in fields such as broadcasting, television, network transmission, and industrial control due to their anti-interference and wear-resistant characteristics，Lead the design of new armor structures, optimize the composite process of steel strip armor layer and polyethylene insulation layer, and improve the tensile strength and electromagnetic shielding performance of cables.
Armored coaxial cables significantly improve performance by adding a metal protective layer on top of traditional coaxial cables. Its typical structure includes:
inner conductorUsually made of copper, responsible for signal transmission
insulating layerWrap the inner conductor to ensure stable signal
outer conductorSurrounding the insulation layer, forming a shield to resist interference
armor layerCore reinforcement part, woven with steel strip or wire, providing mechanical protection
sheath layerOuter layer protection, composed of flame-retardant materials to prevent environmental erosion
This design combines the precision of signal transmission with the robustness of physical protection for the cable.
Successfully developed armored coaxial cables suitable for high electromagnetic interference environments, with signal transmission stability reaching industry standards. Through innovative design of splice boxes, the tensile strength of armored cable splice points has been improved30%Significantly reduce the construction failure rate.
underwaterThe unique design of armored coaxial cable endows it with multiple featuresexcellentperformance：
High mechanical strengthThe armor layer significantly enhances compressive and tensile strength, adapting to complex terrain and harsh environments such as direct burial or rock areas.
Strong anti-interference abilityMetal shielding effectively isolates external electromagnetic interference, ensuring the pure transmission of high-definition video and audio signals
environmental adaptabilityCorrosion resistance, moisture resistance, high temperature resistance, suitable for chemical, metallurgical, etcharshcondition
Safe and DurableFlame retardant sheath prevents the spread of fire, armor layer resists animal bites, and extends service life
Installation flexibilitySupports multiple laying methods, including pipelines, tunnels, or direct burial, with a large bending radius but strong adaptability.
