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Subsea Watertight Plug | Underwater Circular Connector for ROV

Published on:2026-05-24 Click:15

Subsea Watertight Plug | Underwater Circular Connector for ROV

Subsea watertight plug connector for ROV and underwater instrument applications. PUR over-moulded, depth-rated, available in multiple pin counts and configurations.

Product introduction

Subsea Watertight Plug Connector for ROV and Underwater Instruments

Our subsea watertight plug connector is a versatile, depth-rated circular connector with polyurethane over-moulded sealing, suitable for ROV tether terminations, subsea instrument pods, sensor interfaces, and underwater junction boxes. Available in multiple pin count and depth rating configurations, this connector is engineered to maintain a reliable, pressure-proof electrical connection throughout its operational life.

Parameter Specification
Sealing Method Polyurethane over-moulding
Shell Material 316L Stainless Steel or Acetal
Depth Rating Up to 6,000 m (model dependent)
Pin Count 2--16 (standard), custom available
Contact Rating 5A per contact
Voltage Rating 300V DC
Mating Interface Push-pull or screw lock
Temperature Range -10°C to +60°C

Key Applications

  • ROV umbilical and tether connector terminations
  • Subsea camera and lighting connections
  • Underwater sensor pod interfaces
  • Subsea junction box and distribution points
  • Ocean observatory node connections

Discuss depth rating and pin count requirements: sales@rovcable.com -- Shanghai Kabel Intelligence Technology Co., Ltd.

Frequently Asked Questions

Can the connector be supplied with a cable pre-attached?

Yes. We supply complete cable assemblies with the watertight plug factory-moulded onto the cable, pressure-tested to the rated depth. Specify the cable type, length, pin count, and depth rating when ordering.

Are mating sockets (bulkhead versions) available?

Yes. Panel-mount bulkhead sockets are available for all plug models, enabling installation in instrument housings, ROV chassis, and subsea junction boxes. Contact us for flange dimensions and mounting details.

Applications

  • Quick-connect underwater systems requiring aviation-style push-pull coupling
  • Marine instrumentation, underwater sensor networks and portable field equipment
  • LEMO-compatible connector replacements for existing subsea installations
  • Underwater camera systems, ROV control panels and deck equipment connectivity
  • Bench testing, workshop equipment and temporary subsea sensor deployments

Customization Options

  • Custom cable assemblies with specified connector-cable termination method
  • Alternative shell plating and contact plating materials available
  • Customer-specified pin configurations and cable entry orientations
  • Custom branding, labeling and packaging options for OEM customers
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