Seawater Resistant Control Cable
Seawater Resistant Control Cable
Seawater-Resistant Signal & Control Cable is a specialized cable designed for harsh marine corrosive environments such as high salinity, salt fog, seawater immersion, and tidal cycles. Its core design features include superior seawater corrosion resistance, complete waterproof sealing, low signal attenuation, and high electromagnetic interference (EMI) immunity.
Key Features
Seawater Corrosion Resistance: Withstands long-term seawater immersion and salt fog exposure. Conductor, insulation, and sheath show no significant corrosion or aging. Insulation resistance degradation≤10%. Service life designed for 5-8 years.
Complete Waterproof Sealing: Waterproof rating IP68 and above. Withstands hydrostatic pressure from 10 to 1000 bar. Longitudinal water-blocking effectiveness≥99.9%.
Signal Stability: Shielding effectiveness≥85dB. Control signal attenuation≤0.5dB/100m. Compatible with RS485, CAN Bus, Ethernet, and other signal protocols.
Mechanical Reliability: Minimum dynamic bending radius of 5D~8D. Withstands over 5 million flexing cycles. Suitable for dynamic applications such as reel winding/unwinding and moving equipment.
Construction & Characteristics
Conductor: Stranded ultra-fine tinned/silver-plated oxygen-free copper wires (0.08mm-0.12mm), multi-layer bunching/short lay length construction, anti-torsion. Compliant with IEC 60228 Class 6.
Insulation: Polyether-based TPU, Modified XLPE, or TPE Fluoropolymer Elastomer.
Water-Blocking Layer: Triple-seal construction: water-blocking yarn + longitudinally applied laminated aluminum-plastic tape + hot-melt adhesive. Overlap ratio ≥40%.
Shielding: Individual Pair/Unit Shielding (aluminum foil + copper braid) + Overall Shielding (copper braid). Shielding coverage density ≥85%.
Strength Member: Aramid fibers (e.g., Kevlar®) distributed concentrically, or galvanized steel wire rope.
Outer Sheath: Abrasion-resistant, tear-resistant, hydrolysis-resistant, weather-resistant, low-friction surface material.
| Number of cores x cross section | Conductor Diameter mm | Outer Diameter mm | Cable Weight kg/km | Minimum Breaking Load N |
|---|---|---|---|---|
| 4×4 | 0.31 | 17 | 330 | 240 |
| 4×6 | 0.31 | 20 | 440 | 360 |
| 4×10 | 0.41 | 23 | 660 | 600 |
| 4×16 | 0.41 | 26 | 940 | 900 |
| 4×25 | 0.41 | 31 | 1420 | 1500 |
| 4×35 | 0.41 | 34 | 1870 | 2100 |
| 4×50 | 0.41 | 39 | 2620 | 3000 |
| 4×70 | 0.51 | 44 | 3500 | 4200 |
| 4×95 | 0.51 | 50 | 4660 | 5700 |
| 12×1.5 | 0.26 | 25 | 480 | 270 |
| 18×1.5 | 0.26 | 30 | 700 | 405 |
| 24×1.5 | 0.26 | 32 | 900 | 540 |
| 30×1.5 | 0.26 | 36 | 1150 | 675 |
| 36×1.5 | 0.26 | 39 | 1280 | 810 |
| 12×2.5 | 0.26 | 27 | 650 | 450 |
| 18×2.5 | 0.26 | 32 | 950 | 675 |
| 24×2.5 | 0.26 | 36 | 1220 | 900 |
| 30×2.5 | 0.26 | 39 | 1450 | 1125 |
| 36×2.5 | 0.26 | 43 | 1750 | 1350 |
We offer solutions tailored to specific customer requirements. Contact Us for Details.
Applications
Marine Survey Equipment: Signal transmission for underwater sonar and side-scan sonar. Corrosion resistance ensures stable data transmission during towing and deployment.
ROV/AUV Systems: Control signal cores within umbilical cables. Full waterproofing and high shielding ensure reliable transmission of control commands and video data. Neutral buoyancy design reduces equipment load.
Ships & Offshore Platforms: Control links for engine room and deck equipment. Resists salt fog, oil, vibration, and frequent flexing.
Offshore Wind Power: Subsea foundation inspection, wind turbine control system connections. Withstands salt fog, wave action, and dynamic vibrations.
Port & Marine Engineering: Control cables for cranes and underwater construction machinery. Resists seawater immersion and dragging, ensuring precise control.
See also:
• Related Subsea/Underwater cables
