... Heat Exchanger, Double Wall Plate Heat Exchanger, Dual Wall Heat Exchanger, CE, UL, TUV,ISO9001:2000 Technical parameterProduct nameDouble Wall Brazed Plate Heat Exchanger, Double Wall Plate Heat Exchanger, Dual Wall Heat Exchanger ... ,CE, UL, TUV,ISO9001:2000Product modelB3-14DWUnit heat exchanging area0. ...