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The HYSF IL4M is a heavy-duty standard 4-pin male inline watertight connector designed for reliable multi-channel power and signal transmission in demanding offshore and deep-sea applications. Ideal for ROV umbilicals, subsea power distribution, underwater sensors, marine robotics, and offshore equipment requiring robust waterproof cable connections. Precision-engineered with gold-plated contacts, marine-grade materials, and superior sealing, it provides exceptional IP68 protection and high pressure resistance for full ocean depth operations. As a leading China underwater connector manufacturer, HYSF delivers high-quality standard subsea watertight connectors and reliable underwater electrical solutions for offshore oil & gas, marine engineering, and deep-water projects worldwide.
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Cable Length (Standard): 1.0m (Inline) / 0.3m (Bulkhead)
Customization: Cable length, mounting threads, and electrical ratings available upon request.
✅ ROVs & AUVs: Thruster connections and tether management.
✅ Underwater Cameras: Video signal transmission.
✅ Sensors & Instrumentation: CTD, Sonar, and Hydrophones.
✅ Diving Equipment: Diver communication systems.
✅ Offshore Energy: Oil & Gas subsea control modules.
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Explore high-resolution photos of actual production units. These images highlight our precision machining, quality overmolding, and attention to detail in every connector we ship.
Looking for bulk pricing or specific cable lengths (e.g., 0.3m, 1m, or custom)? Fill out the form below, and our sales team will send you a formal quotation within 12 hours.
