Access All HYSF SUBSEA Technical Resources
Download detailed specifications, dimensional drawings, and catalogs for our full range of underwater connectors, watertight connectors, and subsea connection solutions.
Micro Circular Series (MCBH/MCIL)
Compact miniature circular watertight connectors ranging from 2 to 25 cores, including L-shaped and right-angle versions (2-16 cores). Fully compatible with Subconn, Seacon, and Impulse. Ideal for ROVs, sensors, and space-limited subsea applications.
Gigabit Ethernet Series(MCDIL/MCDBH)
High-speed Gigabit Ethernet watertight cable assemblies designed for underwater high-bandwidth data transmission up to 1000Mbps. Available in 8-core to 16-core configurations with miniature and standard options. Ideal for underwater high-definition cameras, ROV remote control, seabed monitoring networks, and other real-time data transmission applications.
Standard Circular Series (BH/IL)
Robust standard circular watertight connectors available in 2 to 16 cores, with L-shaped and right-angle options from 2 to 12 cores. Fully compatible with Subconn, Seacon, and Impulse. Engineered for reliable performance in oil & gas, ROVs, marine research, and other demanding subsea applications.
Flat Watertight Connectors(LP)
Low-profile flat watertight connectors designed for installations with limited height and special cable routing needs. Available in Miniature Flat (7-9 cores) and Standard Flat series (2-13 cores). Ideal for ROVs, underwater cameras, thrusters, and other compact subsea equipment
Ultra Small Series（Highly recommended）
Ultra-compact miniature underwater connectors with robust metal housing and dry-mate functionality. Available from 2 to 28 cores, including L-shaped right-angle options. Our star product series engineered for tight spaces and high-reliability subsea performance
Round Small Series
Extremely compact round small watertight connectors, even smaller than our miniature series. Available in 2-4 cores and 5-6 cores. Featuring wet-mate capability, these connectors are ideal for ultra-tight spaces and demanding underwater applications.
High Current & High Power Sries
High current and high voltage underwater connectors designed for demanding power transmission applications. Available in 2-core to 6-core configurations, including various thread sizes, single-core, and L-shaped options. Fully customizable to meet your specific subsea power requirements.
Split Series
High-density split watertight connectors with multi-petal design, supporting up to 48 cores. Available in various configurations such as 8 cores (4 petals), 16 cores (8 petals), 24 cores, 36 cores, and 42-48 cores. Ideal for complex underwater systems requiring multiple cable outlets and high core count connectivity
Coaxial Series
High-performance coaxial watertight connectors for 50-3, 50-5, and 70-3 cables. Includes miniature, high-frequency, and hybrid (6 optical + coaxial) options. Ideal for underwater video, data transmission, and RF applications.
Y-Type Splitter Series
Robust Y-type watertight branching connectors for distributing power and signals from one main cable to multiple devices. Available in 1-to-2 and 1-to-3 splitters. Perfect replacement for traditional junction boxes in marine research, underwater monitoring, and subsea distribution systems.
Bulkhead Penetrator Series
High-pressure bulkhead watertight connectors for cable penetration through equipment housings and pressure vessels. Available in miniature to standard sizes with various core configurations. Engineered for reliable electrical and signal transmission in submarines, underwater vehicles, and subsea structures.
Metal Hybrid Optoelectronic Series
High-performance metal optoelectronic underwater connectors combining electrical and optical signals in a single robust housing. Available in single-mode and multi-mode configurations, supporting 1 to 8 fibers with various hybrid options (e.g. 2 fiber + 4 electric, 4 fiber + 2 electric, 2 fiber + 6 electric, etc.). Designed for extreme high-pressure and high-corrosion environments.
Metal Power Series
High-reliability metal power connectors offering excellent load-bearing capacity and durability across wide depth ranges. Available in 2 to 61 cores. Designed to provide safe and stable power supply for underwater lighting, sonar equipment, subsea mining machinery, and other demanding marine applications.
Underwater Light Series
Professional deep-sea LED searchlights and floodlights designed to provide powerful, wide-area illumination in dark underwater environments. Featuring high-brightness LEDs, robust corrosion-resistant metal housings, and excellent watertight performance. Available in various power levels from 30W to 100W, ideal for underwater cameras, ROVs, marine observation, search & rescue, and subsea operations.
Underwater Camera Series
High-performance underwater cameras designed for deep-sea monitoring and inspection. Including USB, Ethernet Network, Coaxial, and Integrated Lighting models. Featuring high-resolution imaging (up to 4K), robust watertight construction, and reliable performance in high-pressure marine environments. Ideal for ROVs, AUVs, marine observation, underwater inspection, and subsea surveillance.
Pressure Vessel & Junction Box Series
High-pressure sealed enclosures and junction boxes designed to protect sensitive electronics, battery packs, and wiring terminals in deep-sea environments. Built with high-strength materials such as titanium alloy, 316L stainless steel, or engineering plastics, featuring precision machining and reliable O-ring sealing technology. They provide a dry, safe internal environment for underwater electronic systems.
Cable Fixings Series
Heavy-duty cable fixing devices specially engineered for demanding lifting and vertical cable installation in subsea and marine environments. Capable of withstanding up to 2 tons (20kN) of tensile force while ensuring zero damage to cable conductors and insulation. Provides secure, anti-slip, and anti-rotation performance for safe and reliable cable deployment.
Buoyancy Ball Series
High-performance buoyancy balls engineered for deep-sea and complex marine environments. Made from high-strength, lightweight engineering plastics with excellent pressure resistance, corrosion resistance, and UV stability. Optimized hydrodynamic design reduces drag and vortex-induced vibration while providing reliable buoyancy support.
ODM Projects
Proven Solutions in the Field
A showcase of our successful collaborations with global marine robotics, energy, and research partners. Every project reflects our commitment to zero-leak integrity and operational reliability.
Start Your Subsea Project with HYSF
Whether you need a quick quote for standard connectors or a complex custom cable assembly, our engineering team is ready to assist. Expect a technical response within 12 hours.
John Zhang
CEO
- info@hysfsubsea.com
- +86 13942853869
- Our team will answer your inquiries within 12 hours.
- Your information will be kept strictly confidential.
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