The secondary side heat exchange unit CDU is mainly used for heat ...
The Coolant Distribution Unit (CDU) is the central component of the ...
Features 1. Compressor: adopt international brand semi-closed ...
| 
					 Item  | 
				
					 Heat exchangerType  | 
				
					 Operation medium  | 
				
					 Operation pressure (MPa)  | 
				
					 Application  | 
			
| 
					 1  | 
				
					 Φ16/Φ9.52/Φ12.7 Copper tube with aluminium fin  | 
				
					 Cold/hot water  | 
				
					 ≤1.6  | 
				
					 Used for combined air handling unit, fan coil etc air conditioning devices  | 
			
| 
					 2  | 
				
					 Φ18/Φ20 Steel pipe winding with steel sheet  | 
				
					 Steam  | 
				
					 ≤0.2  | 
				
					 Used for combined air handling unit, fan coil etc air conditioning devices  | 
			
| 
					 3  | 
				
					 Φ16/Φ9.52/Φ12.7 Copper tube with aluminium fin  | 
				
					 Brine  | 
				
					 ≤1.6  | 
				
					 Used for heat transfer in cold storage and all kinds of low temperature systems  | 
			
| 
					 4  | 
				
					 Φ9.52/Φ7.94/Φ7 Copper tube with aluminium fin  | 
				
					 Ethylene glycol  | 
				
					 ≤1.6  | 
				
					 Used of energy recovery and low temperature system devices  | 
			
| 
					 5  | 
				
					 Φ16 Copper tube with aluminium fin  | 
				
					 Ice mud  | 
				
					 ≤1.6  | 
				
					 Used for dry operation condition, fresh air dehumidification etc systems  | 
			
| 
					 6  | 
				
					 Φ9.52/Φ7.94/Φ7 Copper tube with aluminium fin  | 
				
					 R22  | 
				
					 ≤1.9  | 
				
					 Used for industry and commerce air conditioning system  | 
			
| 
					 7  | 
				
					 Φ9.52/Φ7.94/Φ7 Copper tube with aluminium fin  | 
				
					 R407C  | 
				
					 ≤1.9  | 
				
					 Used for industry and commerce air conditioning system  | 
			
| 
					 8  | 
				
					 Φ9.52/Φ7.94/Φ7 Copper tube with aluminium fin  | 
				
					 R134a  | 
				
					 ≤3.1  | 
				
					 Used for vehicle and vessel etc transportation devices  | 
			
	
 
	
Fin mold for copper tube heat exchanger
| 
				 Fin Pattern  | 
			
				 Copper Tube O.D.(mm)  | 
			
				 Row Space(mm)  | 
			
				 Hole Space(mm)  | 
			
				 Common copper tube thickness(mm)  | 
			
				 Fin Space(mm)  | 
		
| 
				 A  | 
			
				 7  | 
			
				 12.7  | 
			
				 21  | 
			
				 0.28~0.3  | 
			
				 1.3  | 
		
| 
				 B  | 
			
				 7.94  | 
			
				 15.88  | 
			
				 25.4  | 
			
				 0.3~0.35  | 
			
				 1.8~3.0  | 
		
| 
				 C  | 
			
				 7.94  | 
			
				 19.05  | 
			
				 22  | 
			
				 0.3~0.35  | 
			
				 1.4~3.0  | 
		
| 
				 D  | 
			
				 9.52  | 
			
				 22  | 
			
				 25.4  | 
			
				 0.3~0.35  | 
			
				 1.6~3.2  | 
		
| 
				 E  | 
			
				 9.52  | 
			
				 22  | 
			
				 25.4  | 
			
				 0.3~0.35  | 
			
				 3.5~6.35  | 
		
| 
				 F  | 
			
				 9.52  | 
			
				 15.88  | 
			
				 25.4  | 
			
				 0.3~0.35  | 
			
				 1.6-2.6  | 
		
| 
				 G  | 
			
				 9.52  | 
			
				 12.7  | 
			
				 25.4  | 
			
				 0.3~0.35  | 
			
				 1.6-2.5  | 
		
| 
				 H  | 
			
				 9.52  | 
			
				 21.65  | 
			
				 25  | 
			
				 0.3~0.35  | 
			
				 1.6~3.2  | 
		
| 
				 I  | 
			
				 9.52  | 
			
				 21.65  | 
			
				 25  | 
			
				 0.3~0.35  | 
			
				 3.2~6.35  | 
		
| 
				 J  | 
			
				 12.75  | 
			
				 27.5  | 
			
				 31.75  | 
			
				 0.4-0.5  | 
			
				 1.5~3.5  | 
		
| 
				 K  | 
			
				 15.88  | 
			
				 33  | 
			
				 38.1  | 
			
				 0.4-0.6  | 
			
				 1.5~4.0  | 
		
| 
				 L  | 
			
				 15.88  | 
			
				 34.64  | 
			
				 40  | 
			
				 0.4-0.6  | 
			
				 2.6~3.5 
  | 
		
	
	
Fin mold for aluminum tube heat exchanger
| 
				 Fin Pattern  | 
			
				 Al Tube O.D.(mm)  | 
			
				 Row Space(mm)  | 
			
				 Hole Space(mm)  | 
			
				 Common Al tube thickness(mm)  | 
			
				 Fin Space(mm)  | 
		
| 
				 A  | 
			
				 7  | 
			
				 12.7  | 
			
				 21  | 
			
				 0.5~0.71  | 
			
				 1.3~2.5  | 
		
| 
				 B  | 
			
				 7.94  | 
			
				 17.05  | 
			
				 20.05  | 
			
				 0.5~0.71  | 
			
				 1.8~3.0  | 
		
| 
				 C  | 
			
				 7.94  | 
			
				 15.88  | 
			
				 25.4  | 
			
				 0.5~0.71  | 
			
				 1.8~3.0  | 
		
| 
				 D  | 
			
				 9.52  | 
			
				 15.88  | 
			
				 25.4  | 
			
				 0.5~0.71  | 
			
				 1.6-2.6  | 
		
| 
				 E  | 
			
				 9.52  | 
			
				 12.7  | 
			
				 25.4  | 
			
				 0.5~0.71  | 
			
				 1.6-2.5  | 
		
| 
				 F  | 
			
				 9.52  | 
			
				 21.65  | 
			
				 25  | 
			
				 0.5~0.71  | 
			
				 1.6~5  | 
		
| 
				 G  | 
			
				 12.75  | 
			
				 27.5  | 
			
				 31.75  | 
			
				 0.7-1.2  | 
			
				 2.5~5  | 
		
| 
				 H  | 
			
				 15.88  | 
			
				 33  | 
			
				 38.1  | 
			
				 0.7-1.2  | 
			
				 2.5~5  |