Welding & Surface Preparation
Correct use of equipment and competence among users are key factors to safe welding. Safety must always be of the highest priority - for the protection of crew, ship and cargo.
With the Unitor™ range, every welding application on board has an effective solution. Safe welding, we believe, is effective welding, and effective welding leads to greater cost control - keeping downtime for repairs to an absolute minimum, and reducing the risks to crew, cargo and vessel.
All Unitor™ equipment is designed in full compliance with current safety regulations at sea and we make technical information accessible to end users, helping to ensure that equipment is always used properly and safely.
Designed specifically for the maritime industry
These are the only welding machines in the market designed specifically for the maritime industry. Some of its groundbreaking features include a Total Protection (TP) function that automatically shuts down the machine to prevent damage caused by voltage peaks or electricity supply failures. Furthermore, the machine's Voltage Reduction Device (VRD) function limits open circuit voltage to a range of 9-13V, preventing accidents due to electric shock. Both these new enhancements promote safe welding on the vessel.
Fully compliant with approvals from major classification societies
Manufactured in full compliance with current regulations for maritime use, we constantly look ahead towards changes in regulations to make sure that our equipment remains compliant always. The Unitor™ range of consumables is comprehensive and production is done in accordance to the four big class societies (DNV GL, ABS, LR, BV).
Global availability in 2,200 ports
It is impossible to predict when or where the need for maintenance or repair will arise. But one thing is certain: when it does, you need the right equipment at hand in order to get the job done effectively, with minimum downtime. Our standardised welding products can be delivered through one of the 2,200 ports we service through our global network.
Structured training programs for the crew
On-board welding takes place under varied, daunting and even unpredictable conditions, and the range of base materials that require cutting or welding is typically very wide. We help you to prepare for this range of challenges through our dedicated training programs in cooperation with our partners around the world, bringing the best quality training to your crew.
Documentation - a prerequisite for safe welding.
At every opportunity, we offer support to ascertain that Unitor™ products are used properly and safely. While the equipment is standardised and easy to use, it is also backed up by detailed documentation - user manuals, welding handbooks, consumable selectors, product data sheets, safety data sheets, problem solver wall charts and specialist literature.
Featured Offers
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Welding Safety Inspection
We offer you a yearly safety inspection survey of the welding equipment onboard. The welding safety inspection service is a confidential assessment of the safety and operational conditions of electric arc and gas equipment onboard your vessel.
Our Solutions
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Air Tools & Workshop Equipment
The Unitor range of Air Tools and Workshop Equipment offers you a complete range of power tools you need on board your vessel for the everyday maintenance and repair tasks. We offer a range of Low Vibration Air Tools for the operator's safety when performing needle and chisel scaling, reducing the risk of developing HAV’s (Hand Arm Vibration Syndrome) due to exposure to High Vibration levels.
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Cold Repair System
Our Unitor range of cold repair compounds and stop leak products are absolute necessities on board your vessel for emergency repairs. This allows you to make necessary repairs even when the base material is not weldable in areas you cannot perform hot work, or when you simply do not have the possibilities for rigging up in traditional welding.
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Arc Welding Consumables
Unitor offers you a complete range of welding consumables you need for the everyday maintenance welding on board your vessel. The Unitor storing cabinets ensure you have good control of your welding consumables and electrodes. In addition, we offer heating cabinets to prevent moister absorption in your electrodes and a mini drier to dry your moister exposed electrodes.
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Arc Welding Equipment
The range of Unitor welding and plasma cutting machines are specially designed and made for the maritime environment. With the Total Protection device on the welding and plasma cutters, you have reduced the risk of a machine breakdown due to voltage peaks on board the vessel, and the low open circuit voltage (OCV) ensures the safety of your crew. We also offer the complete range of safety equipment and consumables for welding.
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Gas Welding, Brazing & Cutting
Our Unitor regulators and flashback arrestors provide you the comfort of a steady gas flow while delivering the safety you need. Our lifting-certified transportation solutions and its range of accessories for gas cylinders, gas welding and cutting equipment ensures you a safe transportation of cylinders all over the vessel.
Wilhelmsen insights
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Top 10 Tips For Using Air Tools Onboard Safely
Air tools are vital to maintenance operations on board a vessel. However, they can be dangerous – and considering how often we use them, it is all the more important to ensure that we exercise safety precautions. Check out these top 10 tips on using these air tools safely!
Wilhelmsen insights |
Chris Teoh , Global Product Manager – Welding & Tools Solution -
New Maintenance Standards: Pressure Regulators and Flashback Arrestors
With new standards for vessels with flammable cargoes, compliance is important to minimize the risk of fires and explosions on board. This article serves as a guide on the importance of pressure regulators and flashback arrestors.
Wilhelmsen insights |
Eddy Scheepers , Senior Technical Product Manager, Gases and Cylinders -
Electric Arc Welding Onboard: Essential Safety Checks and Precautions
It is crucial that welding equipment and gases are handled in a safe and secure way - safety in operation must always be a priority. Take note of these safety checks and precautions that crew should adhere to before and during electric arc welding onboard.
Wilhelmsen insights |
Chris Teoh , Global Product Manager – Welding & Tools Solution
Technical Updates
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Understanding the danger of Adiabatic Compression
Safety measures when connecting oxygen cylinders to freestanding regulators or high pressure slings in Gas Distribution Systems (GDS)
Customer Tools
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Unitor Welding Handbook
One of the important skills required onboard is a good command of modern welding techniques. The Unitor Welding Handbook provides guidance in modern welding and related processes and to provide the maritime welder with a source of practical information on the right solution to specific onboard welding problems.
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Gas Welding & Cutting Solutions Poster
Safety measures are crucial for all use of oxygen and acetylene onboard a ship – get to know our various tools, accessories and safety equipment related to gas and cutting solutions onboard.
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Safety Checklist for Welding & Thermal Processes
Do not operate equipment for welding or related thermal processes unless you are thoroughly familiar with the process, the equipment, rules and regulations related to the process and equipment; including proper use of accessories. Preparation for hot-work onboard should include, without being limited to, the points in this checklist to ensure safe operation.
Need advice?
With offices in 75 countries supporting our non-stop operations in 2 200 port locations across the globe, you can be assured that we have the local knowledge and industry expertise to find the best solution to cater for your needs.
Contact us