Handled materials

Drawing upon its unique diverse technical expertise and wealth of experience, Welders N.V. handles a wide spectrum of high-performance materials, as demonstrated in our reference list.

Heat exchangers

Custom built products

Over 7 decades, Welders N.V. has gained an extensive engineering expertise and fabrication know-how in high-integrity custom-built process equipment in heat- and corrosion resistant alloys used in numerous applications.

Welders’ Design and Engineering Department operates a comprehensive system, using software of international repute for thermal rating, stress analysis, wind load and seismic resistance calculations, as applicable.  Combined with our expertise, it enables Welders’ engineers to optimise the equipment sizing and configuration and to maximize its cost-effectiveness.


Industries served

The equipment constructed by Welders N.V. is used in numerous applications, particularly in the hydrocarbon and downstream industries, but also in other industries featuring aggressive atmospheres or operating in environments calling for heat or corrosion resistant materials.

FCAW welding

Welding techniques

For each project, the most suitable welding method is selected depending upon the type of base material(s), the heat input and as per the customer requirements.

Throughout the years Welders has built-up an extensive experience with the most common welding techniques, such as:
* Flux Cored Arc Welding
* Gas Metal Arc Welding
* Gas Tungsten Arc Welding
* Plasma Arc Welding
* Submerged Arc Welding
* Orbital Welding

Corresponding welding procedures are available and are continuously developed and updated.

Recent case study

See all references
Feed injector (Linde Gas Singapore) 21428

Linde Gas Singapore Pte, Ltd, Singapore

Combustion equipment
Far East
Nickel Alloys

Feed Injector in Nickel based alloys

Working at Welders

Do you want to be part of our team and fulfill our mission with us? Discover here our vacancies.


Working at Welders

About Welders

Welders N.V. specializes in the design and manufacturing of custom built pressure equipment made of heat- and corrosion resistant alloys, mainly destined to the oil, (petro)chemical and fertilizer industry. The production range of Welders N.V. includes heat exchangers, columns, vessels, reactors, burners, pipelines as well as various special parts.