Underwater Cutting and Welding

Reliable Tools for Marine Fabrication and Repair

Unique Group supplies a range of underwater cutting and welding equipment sourced from globally recognised manufacturers—trusted for subsea construction, repair, and marine maintenance applications. These systems are built for operational reliability in harsh offshore environments and are widely used by commercial diving professionals across industries.

Our offering includes robust gas-cutting torches and diesel-powered welding generators that support both wet and dry welding techniques. Products such as the PVL Underwater Cutting Torch (90°) and the Ranger 305 D Welding Generator provide consistent performance, extended fuel efficiency, and compatibility with standard commercial diving fleets.

Whether you’re conducting subsea repairs, marine fabrication, or structural maintenance, our cutting and welding tools deliver the safety, durability, and ease of use required for critical underwater operations.

Key Features and Benefits:

• Reliable & Field-Tested: Sourced from proven brands with a history of subsea deployment in commercial diving projects.

• Versatile Applications: Ideal for marine construction, rope cutting, thermal lance operations, and wet welding tasks.

• Built for Harsh Conditions: Corrosion-resistant materials and rugged build quality ensure long-term performance in offshore environments.

• Operator Safety: Designed with safety mechanisms and easy-to-use interfaces for reliable use in challenging underwater conditions.

Looking for the right underwater cutting and welding system? Contact our diving specialists or submit a product enquiry—we’ll help match you with a solution tailored to your marine project needs.

Frequently Asked Questions

What are the methods of underwater cutting?

The main underwater cutting methods are oxy-arc cutting, which uses oxygen and electricity to melt metal; abrasive water-jet cutting, which employs high-pressure water mixed with abrasives; and diamond-wire cutting, which saws through structures with a diamond-coated wire.

What do you use to cut steel underwater?

Steel is usually cut underwater using hydraulic shears, abrasive water-jet cutters, or underwater plasma cutters.
Hydraulic shears handle thick steel efficiently, water-jet cutters provide precision without heat distortion, and plasma cutters deliver high-speed metal cutting for varied thicknesses.

What tools are used in underwater welding?

Underwater welding uses specialised electrodes, electrode holders, and welding shields built for subsea environments.
Divers also employ oxy-arc or Broco torches, along with hydraulic or pneumatic grinders, to prepare and cut metal before welding.