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Cover Story
Finished product , ready for dispatch
We provide enabling technology so that our client base can do things in an efficient way .”
Bespoke products What makes the heat exchangers themselves so unique , besides their customizability , is the use of an innovative welding technique that the company has been perfecting since its inception . With a fully welded plate that eliminates the need for gaskets , Vahterus creates a structurally durable heat exchanger that is both compact and safe . “ The fully welded plate is at the core of everything ; from the plate and shell base model through to our combined product ,” explained Pascoe . “ The main thing that differentiates us from competitors is the welding quality . With our fully welded construction , the essence and the intellectual property of the exchanger is the welding itself , and we continue to improve day-to-day .” The quality of the weld provides process security , and ensures the integrity and durability of the exchangers , which are paramount in all processes . “ Our welding technology is what allows people to use our equipment with confidence .” The company uses a wide range of materials , selected specifically to satisfy customer needs , whether the operating environment is highly corrosive , high or low temperature , or high pressure . The base material is often stainless steels such as 304L through 316L , and , depending on the application , Vahterus can use materials such as 254 SMO , Duplex , Hastelloy , and Titanium . “ We are one of the few manufacturers in the world who can provide a fully welded plate with Duplex ,” revealed Pascoe . “ Duplex is very hard to form and weld . However , we have developed a methodology to provide heat exchangers with Duplex .
Vahterus has also devised a product , that they call ‘ Combined ’. “ It is essentially a chiller with an integrated surge drum . As there are safety concerns with ammonia , we devised a solution that reduces
Plate pack porthole welding machine
10 Heat Exchanger World May 2023 www . heat-exchanger-world . com