Our products & services
Örnalp Unozon designs, engineers and produces advanced equipment for industry. Our main products are heat exchangers, pressure vessels and process equipment. We also carry out installation and maintenance of the products.
Broad technical expertise
Örnalp Unozon is characterized by broad technical expertise with its own department for design, thermal calculations and product development. The expertise also extends to application knowledge in our customers’ industries. We also have a solid knowledge of materials and are licensed to work in virtually all materials.



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We specialize in titanium welding.
Titanium welding! Most of the time we work with homogeneous material, which is often both the best and most economically advantageous. Sometimes, however, other solutions are required, such as explosive bonding or loose lining, where a vessel is lined with a thin sheet of titanium. Titanium is difficult to weld and requires special skills and protected environments as the material changes if it comes into contact with oxygen during welding.
We weld according to standard EN ISO 3834-2 and all Örnalp Unozon welders are licensed to ensure a high and consistent quality of work.