Straight Inner Grooved Copper Tubes
Straight Inner Grooved Copper Tubes
| O.Din (mm) | BWT(mm) | Number of fins | FIN HEIGHT(mm) | Helix Angle | Weight（kg/m） |
| (7.0) | 0.330 | 60 | 0.203 | 12 | 0.0781 |
| 5/16(7.94) | 0.305 | 60 | 0.203 | 18 | 0.0804 |
| 3/8(9.52) | 0.305 | 60 | 0.203 | 18 | 0.967 |
| 3/8(9.52) | 0.330 | 60 | 0.203 | 18 | 0.0989 |
| 3/8(9.52) | 0.356 | 60 | 0.203 | 18 | 0.1027 |
| 3/8(9.52) | 0.381 | 60 | 0.203 | 18 | 0.1205 |
| 3/8(9.52) | 0.406 | 60 | 0.203 | 18 | 0.1176 |
| 1/2(12.7) | 0.381 | 60 | 0.254 | 18 | 0.1622 |
| 1/2(12.7) | 0.406 | 60 | 0.254 | 18 | 0.1711 |
| 1/2(12.7) | 0.432 | 60 | 0.254 | 18 | 0.1792 |
| 1/2(12.7) | 0.456 | 60 | 0.254 | 18 | 0.1887 |
| 1/2(12.7) | 0.483 | 60 | 0.254 | 18 | 0.2064 |
| 5/8(15.88) | 0.498 | 75 | 0.305 | 23 | 0.2695 |
| 5/8(15.88) | 0.510 | 75 | 0.305 | 23 | 0.2695 |
| 5/8(15.88) | 0.510 | 75 | 0.305 | 25 | 0.3049 |
| 5/8(15.88) | 0.584 | 75 | 0.305 | 25 | 0.3240 |
| 5/8(15.88) | 0.635 | 60 | 0.305 | 27 | 0.3503 |
| 5/8(15.88) | 0.715 | 60 | 0.305 | 27 | 0.3726 |
Specification:
The continuous or discontinuous spiral groove on inner surface of copper tube can increase contract area., change the flow type of refrigerant in the tube. The outer surface of copper tube can also be processed with corrugate spiral groove to expand range of use. It is suitable for heat exchange in home air conditioner or dry evaporator in central conditioner.
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Refrigeration Access Valves
Refrigeration Access ValvesAlso named Filling Valves,Refrigeration Charging Valves,Refrigeration Service Access Valves,Braze Refrigeration Air Conditioning,Service Access Valve, Refrigeration Charge Port,Air conditioning Copper Extension Tube access port,Needle Refrigerant Freon HVAC Check Charging Valves.refrigeration access valves and accessories for your commercial refrigeration and air conditioning systems,it is used to vacuum or charge refrigerant during maintenance of air conditioning system of R22, R407c or R410a. Made with top quality copper pipe, with brass needle, and welding T2 copper tube. Standing Pressure 3.5 MPA .It is widely used to charge various refrigeration and air conditioning refrigerant. It is a fine-tuning valve needle valve plug is mainly used to adjust the refrigeration flow. Trim valves require valve port open gradually increases from off to on the maximum continuous finely adjusted.
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