heat pipe solar collector
high cold resistence
high heat resistence
fast thermal
low emission
Price Terms:FOB,CIF,EXW
Payment Terms: T/T,Western Union,MoneyGram,L/C
Minimum Order: Negotiatable
Delivery Port: Customized
Contact SupplierPackaging Detail: export carton with foam
Delivery Detail: 7 days
heat pipe solar collector
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 &=1.6mm Φ=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 &=1.6mm | ||
Pipe length | 1200mm 1500mm 1600mm 1800mm 2000mm 2100mm | ||
Absorption coating property | Structure | Cu/SS-ALN(H)/SS-ALN(L)/ALN | |
Sediment method | 3 target magnetron sputtering plating | ||
Specific absorption | 0.93~0.96 | ||
Emission ratio | 0.04~0.06 | ||
Vacuum tightness | 5.0*10–³Pa | ||
Idle sunning property parameters | 260-300m2°c/kw | ||
Solar irradiation for obtaining a preset water tempereture | H≤4.7MJ/m2 | Φ=58 | H=3.7-4.2ML/m2 |
H≤3.7MJ/m2 | Φ=47 | H=2.9-3.2MJ/m2 | |
Average heat loss coefficient | 0.4-0.7W/m2°c | ||
Resist hailstone | Φ=25mm | ||
Resist cold | minus 30 degree | ||
Resist wind | 30m/s |