... heat interchanger 3,Price has competive KHB12-80 Orbit tube/tube plate welding machinefunctionUsed for welding of flush, protruding, ... copper alloy, titanium alloy, etcApplication1,KHB12-80 Orbit tube/tube plate welding machine.2,Used for welding of flush, protruding ... recessed tubes or welding behind the tube plate.3,Standard welding head for tube-to-tube plate welds with the automatic TIG process, ...