split pressurized solar water heater with CE
all glass vacuum tube high quality and reasonable price easy install and long life time
| Structure | All-glass double-tube co-axial structure | ||||||||
| Glass material | High borosilicate 3.3 glass | ||||||||
| External pipe diameter and thickness | Φ=47±0.7mm &=1.6mm Φ=58±0.7mm &=1.6mmΦ=70±0.7mm &=2.0mm | ||||||||
| Internal pipe diameter and thickness | Φ=37±0.7mm &=1.6mm Φ=47±0.7mm &=1.6mm Φ=58±0.7mm &=2.0mm | ||||||||
| Pipe length | 800mm 1200mm 1500mm 1600mm 1800mm 1900mm 2000mm 2100mm | ||||||||
| Absorbing coating property | structure | Cu/SS-ALN(H)/SS-ALN(L)/ALN | |||||||
| sediment method | Single target magnertron sputtering plating | ||||||||
| Absorption ratio | a=0.90~0.93(AM1.5) | ||||||||
| Emmision ratio | ε=0.05~0.075(80±5) | ||||||||
| Vacuum tightness | P≤5.0X10-3Pa | ||||||||
| Average heat loss coefficient | ULT=0.6~0.7W/(m2.) | ||||||||
| Hail resistance | Φ=25mm | ||||||||
split pressurized solar water heater with CE
