Nipex Laser > Laser Cutting Head > Fully Submersible Underwater Laser Head

Fully Submersible Underwater Laser Head

The JX-ULH Submersible Underwater Laser Cutting & Welding Head is engineered for reliable laser processing in submerged industrial environments. Designed for underwater operation up to 35 meters, the fully sealed structure ensures dependable waterproof performance and long-term durability.

Equipped with a pneumatic mechanical isolation valve, the system prevents water backflow when the laser is inactive, protecting internal optical components. The head supports both underwater laser cutting and welding applications, offering flexible operation across marine repair, offshore engineering, and hydropower maintenance.

Compatible with QBH, QD, LOE, Q+, and QP fiber interfaces, and integrated with a high-definition CCD monitoring system, it enables precise and controlled underwater laser processing with real-time visual feedback.

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Fully submersible underwater laser cutting and welding head with integrated CCD monitoring system

  • Fully submersible underwater laser head rated for operation at depths up to 50 meters

  • Absolute waterproof and high-integrity sealing structure for maximum reliability

  • Built-in mechanical isolation valve to prevent water backflow when laser output is inactive

  • Dual-mode capability supporting both underwater laser cutting and welding

  • Compatible with QBH, LLK-D, and Q+ fiber interfaces for flexible laser integration

  • Integrated high-definition CCD camera system for real-time visual monitoring

  • Pressure-resistant housing designed for harsh marine and offshore environments

  • Corrosion-resistant construction for long-term underwater durability

  • Optimized thermal management for stable performance during submerged operation

  • Fiber Interface: QBH / QD / LOE / Q+ / QP

  • Collimation Focal Length: F = 100 mm

  • Focusing Focal Length: F = 115 mm

  • Maximum Laser Power: ≤ 20 kW

  • Protective Lens (Lower): Ø37 × 7.0 mm

  • Focal Spot Size: Circular spot 2.5–5 mm

  • Clear Aperture: 35 mm

  • Laser Head Weight: ~8.5 kg

  • Underwater Operating Depth: ≤ 35 m

  • Monitoring System: CCD camera with display

  • Mechanical Valve: Pneumatic cylinder controlled

  • Shielding Gas Interface: D8

  • Laser Wavelength: 1080 nm

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