& Heat pipe:anti-freezing > -35 centigreed
& Coating of vacuum tube:ALN/AIN-SS/CU
& Max pressure:12 bar
& Hail resistance:25mm
& Daily efficiency:
Solar collector can withstand high pressure when it works.
| Delivery Time: | 15days |
| Package: | carton |
| Supply Ability: | 6000 Piece/Pieces per Month |
| Payment Terms: | L/C,T/T |
| Connection Type: | Copper |
| Type: | Craft Paper |
| Pipe Material: | Copper |
| Model Number: | SF-1800/58- AC/SC |
| Brand Name: | sunfield |
| Place of Origin: | Jiangsu China (Mainland) |