... 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 ... Acceptable High Vacuum ... Production Flow: 1 ... Heat Exchanger 2011/01/14 Test report China Quality Supervision & Test Centre for Gas Appliances Heat Exchanger ...