Tranter HES GmbH engages in the design, development, manufacture, and marketing of spiral heat exchangers. Its spiral heat exchangers are provided for various fluids, such as liquids, suspensions, fiber and particle loaded liquids, viscous and highly viscous fluids, non Newtonian fluids, slurries and sludges, and vapor with/without inert gases. The company's spiral heat exchangers are used for cooling, heating, pre-heating, condensation, evaporation, hygienisation, thermosyphon, reboiler, and heat recovery applications.