Installation, Mating & Maintenance Guide
Maximize equipment lifespan and prevent field failures. Access step-by-step operational procedures, torque values, and essential maintenance protocols for technicians.
Operational Procedures & Troubleshooting
What causes intermittent signal loss (flickering video)?
Copper work-hardens and breaks over time.
How do I treat corroded or tarnished contacts?
Gold doesn’t corrode, but the metal underneath might.
What should I do if the Insulation Resistance (IR) reading is low?
Don’t panic; it’s often just dirt.
How often should I inspect and replace the O-rings?
O-rings are cheap; electronics are expensive.
When and why should I use Dummy Plugs?
Think of a Dummy Plug as a “Helmet” for your connector.
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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.