Immersion & wet locations
Hydrolysis-resistant subsea PUR or HDPE outer sheath and water-blocked core interstices withstand continuous deep-ocean hydrostatic immers
Product
Net Cleaning Robot & ROV Tether Cable featuring optical fiber & 75-ohm coaxial units and subsea / marine outer protective sheath (NS 9415 / DNV-ST-E402, 0.6/1 kV, -40 to +80 °C, min. bend radius 6 × OD).
Typical values for this cable type, based on NS 9415 & DNV Net Cleaning Robot & Aquaculture ROV Tether Specification — confirmed in the datasheet and quotation for your order.
Application fit
Net Cleaning Robot & ROV Tether Cable featuring optical fiber & 75-ohm coaxial units and subsea / marine outer protective sheath (NS 9415 / DNV-ST-E402, 0.6/1 kV, -40 to +80 °C, min. bend radius 6 × OD).
Hydrolysis-resistant subsea PUR or HDPE outer sheath and water-blocked core interstices withstand continuous deep-ocean hydrostatic immers
Contra-helical galvanized steel wire armour or high-modulus aramid/LCP braid supports vertical traction winches, TMS cages and tow sheaves
Torque-balanced armour or neutrally buoyant foamed-PUR jacket prevents hockling and kinking during free-swimming ROV and tether excursions
Resists seawater, marine bio-fouling, hydraulic oil, UV radiation and abrasion across vessel A-frames and launch-and-recovery systems (LAR
Subsea ROV umbilicals and tow cables are optimized for winch deployment and water-column catenaries rather than high-speed factory drag ch
Use Drag-Chain Feeder CableConstruction
Shown: Net Cleaning Robot & ROV Tether (NS 9415 & DNV Net Cleaning Robot & Aquaculture ROV Tether Specification) featuring optical fiber & 75-ohm coaxial units, flexible copper power & control cores and subsea / marine outer protective sheath (4-layer construction).

| # | Layer | Material & reference |
|---|---|---|
| 1 | Optical Fiber & 75-Ohm Coaxial Units | Central stainless-steel optical tube + shielded coaxial video core |
| 2 | Flexible Copper Power & Control Cores | Stranded copper conductors with Cross-linked polyethylene (XLPE) insulation |
| 3 | Aramid / LCP Braided Strength Member | High-tenacity synthetic fiber braid absorbing dynamic tension |
| 4 | Subsea / Marine Outer Protective Sheath | Black hydrolysis- & abrasion-resistant marine Polyurethane (PUR) outer sheath |
Built to NS 9415 & DNV Net Cleaning Robot & Aquaculture ROV Tether Specification with optical fiber & 75-ohm coaxial units and subsea / marine outer protective sheath
Available on continuous export winch drums or factory-terminated with subsea wet-mate / mechanical sockets
Supplied with EN 10204 3.1 routine dielectric, conductor/optical continuity & hydrostatic qualification report
Technical data
Sizes
Manufactured to NS 9415 & DNV Net Cleaning Robot & Aquaculture ROV Tether Specification for subsea robotics, ROV umbilicals, marine aquaculture and offshore sensor applications.
| Order designation | Configuration | Core / stranding | Outer Ø ≈ mm | Net weight ≈ kg/km | Max. pulling kN ≈ | Min. bend R mm | Enquiry |
|---|---|---|---|---|---|---|---|
| Net Cleaning Robot & ROV Tether Construction Schedule (−40…+80 °C) | |||||||
| Net Cleaning Robot Hybrid 4G2.5+FO | 4G2.5 mm² Power + 4×SM + 2×2×0.5 | Class 5 SnCu + Aramid Braid + Subsea PUR | 14.6 | 285 | 18.0 | 90 | |
| Net Cleaning Robot Hybrid 4G6+FO | 4G6.0 mm² Power + 4×SM/MM + 4×2×0.5 | Class 5 SnCu + Aramid Braid + Subsea PUR | 19.2 | 540 | 32.0 | 120 | |
| Net Cleaning Robot Hybrid 4G16+FO | 4G16 mm² Power + 8×SM/MM + 4×2×0.75 | Class 5 SnCu + Heavy Aramid + Subsea PUR | 26.5 | 1,120 | 55.0 | 165 | |
| Configuration | Max. DC R₂₀ Ω/km | Rating / Impedance / Load | Operating temp. |
|---|---|---|---|
| 4G2.5 mm² Power + 4×SM + 2×2×0.5 | 7.98 | 0.6/1 kV · 18 kN Tensile | −40…+80 °C |
| 4G6.0 mm² Power + 4×SM/MM + 4×2×0.5 | 3.30 | 0.6/1 kV · 32 kN Tensile | −40…+80 °C |
| 4G16 mm² Power + 8×SM/MM + 4×2×0.75 | 1.21 | 0.6/1 kV · 55 kN Tensile | −40…+80 °C |
Quality & approvals
Routine tests on every production length, sample and type tests per batch — documented on an EN 10204 3.1 inspection certificate.
| Testing & inspection | Test value / reference | Frequency |
|---|---|---|
| Routine tests | ||
| Conductor DC resistance / OTDR optical & dimensional check (NS 9415 & DNV Net Cleaning Robot & Aquaculture ROV Tether Specification) | DC resistance at 20 °C, optical attenuation and wall thickness within NS 9415 & DNV Net Cleaning Robot & Aquaculture ROV Tether Specification limits | Every manufactured drum length |
| AC high-voltage dielectric & insulation resistance test (NS 9415 & DNV Net Cleaning Robot & Aquaculture ROV Tether Specification) | Zero dielectric breakdown and verified wet insulation resistance for 0.6/1 kV rating | Every manufactured drum length |
| Sample tests | ||
| Hydrostatic pressure, tensile load & seawater immersion qualification (NS 9415 & DNV Net Cleaning Robot & Aquaculture ROV Tether Specification) | Verified hydrostatic pressure integrity, breaking load and flex endurance across −40…+80 °C | Type qualification & periodic lot audit |
Marking & supply
Sheath marking
Technical documents
FAQ
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