... Double Wall Brazed Plate 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 ... 2.0 Acceptable Production Flow: 1.Metal Parts Punching 2.Ultrasonic Washing 3.Assembly 1 4 ...