XB12 is copper brazed heat exchanger, designed and configured for District Heating, District Cooling and other Heating applications.Heat exchanger XB12 will be available in plate corrugation H, M and L. It will be available in 1-pass (with 4 connections) and 2-pass version (with 6 connections). Heat exchangers can be dimensioned in Danfoss calculation software “Hexact” which can be downloaded from hexact.danfoss.com.Micro Plate Heat Exchangers - a revolutionary technology from Danfoss. Characterized by their unique plate pattern, MPHEs enable heat to be transferred more efficient than any previous model of heat exchangers.