360-Degree Anti-Twist Underwater ROV Cable – Core Breakage-Proof
360-Degree Anti-Twist Underwater ROV Cable – Core Breakage-Proof
Introduction
This specialized ROV tether cable for underwater robots is engineered with a 360-degree anti-twist design, ensuring the core remains intact even under continuous torsion, making it the ideal torsion-resistant underwater cable for dynamic subsea operations. As a high-quality marine exploration cable, it withstands seawater submersion for 5 to 7 years, offering exceptional durability in harsh ocean environments.
The ocean environment demands not only high resistance to torsion, bending, and abrasion but also exceptional corrosion resistance—features this flexible underwater manipulator cable delivers. Do not compromise on quality to cut costs by selecting unsuitable products, as this will increase the frequency of cable replacement and raise overall operational expenses. Invest in our long-lasting subsea robot tether to minimize downtime and reduce total cost of ownership."
Features
Abrasion Resistant & Flex Resistant
Tear Resistant
Capable of withstanding significant mechanical stress
Specifications
Conductor
Material: Bare copper, Class 5 flexibility (meets IEC60228)
Stranded diameter: approx. 0.5 mm
Insulation
Material: Polyvinyl Chloride (PVC)
Strength Layer
Kevlar
Inner Layer
Torsion-resistant layer: Polyester yarn to enhance mechanical stability during underwater flexing and deployment
Outer Sheath
Polyether-based waterproofing, featuring abrasion resistance, tensile strength, corrosion resistance, and anti-aging properties.
Color: (specify as required)
Mechanical Characteristics
Minimum bending radius: 4 × cable diameter (during installation and operation)
suitable for ROV tether management systems and underwater manipulators
Environmental Resistance
Submersion: Continuous operation in fresh and seawater
Pressure resistance: Suitable for moderate depths (specify depth rating if available, otherwise note tested pressure)
Operating temperature:
-40°C to +70°C
Fluid resistance: Excellent resistance to seawater, mineral oils, hydraulic fluids, and dilute chemicals
UV resistance: Suitable for above-water exposure during deployment
Biofouling: Smooth sheath surface reduces marine growth adhesion
Electrical Characteristics
Characteristic impedance: 100 Ω ±15 Ω (stable under pressure and temperature variations)
Conductor resistance: meets Class 5 requirements (IEC60228)
Insulation resistance: (specify if available)
Test Voltage
2500V
Standards Compliance
RoHS compliant
Designed to meet Category 5e / 6 performance (depending on specific construction)
Installation Notes
For underwater installation of the robot cable, it is best to use conduit threading for waterproofing. If the cable is installed directly, the cable's filling and wrapping must use water-blocking tape, and a PE (Polyethylene) material is recommended for the outer sheath.
Waterproofing Methods for Cable Penetrations - Click for details

Applications
ROV (Remotely Operated Vehicle) tethers
Subsea sensors and instrumentation
Underwater cameras and communication systems
Marine robotics and autonomous underwater vehicles (AUVs)
Offshore and oceanographic research equipment
See also:






