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SWEP's double-wall models are designed for applications where high thermal efficiency is required, at the same time as the risk of internal leakage between the two fluids must be minimized.

The DW-line offers thermal efficiency and compactness that is superior to any other double-wall heat exchanger on the market. And the design and production are of the same superlative quality as everything else from SWEP.

The double-wall concept is being used very succesfully in applications with particulary stringent safety requirements, such as in the food and pharmaceuatical industries. It was also quite prevalent in the hydronic floor heating market and the heat recovery market. In the unlikely event of a leak, water seeps out between the vented double walss to the atmosphere. teh water seeping from the CBE gives a visual alarm that something is wrong.