Solar Water Heater
*Vacuum tube solar water heaters with 36tubes
*Be concentrative ,be professional
*Length:58*1800mm
Price Terms:FOB,CIF,EXW
Payment Terms: T/T,Western Union,MoneyGram,L/C
Minimum Order: Negotiatable
Delivery Port: Customized
Contact SupplierPackaging Detail: Carton box
Delivery Detail: 7 working days for sample,15 working days for container
Solar Water Heater
Technical data for solar collector | |||
Model | LQ-47 | LQ-58 | LQ-70 |
Length | 1500mm | 1800mm | 1700mm |
Outer tube diameter | 47mm | 58mm | 70mm |
Inner tube diameter | 37mm | 48mm | 58mm |
Glass thickness | 1.6mm | 1.6mm | 1.6mm |
Glass material | Borosilicate Glass 3.3 | Borosilicate Glass 3.3 | Borosilicate Glass 3.3 |
Absorptive coating | AL/N/AL | AL/N/AL | AL/N/AL |
Absorption coefficient | >92% | >92% | >92% |
Emission coefficient | <10% | <10% | <10% |
Vacuum | P<5*10-2Pa | P<5*10-2Pa | P<5*10-2Pa |
Wind resistance | 30m/s | 30m/s | 30m/s |
Freezing resistance | -35°C | -35°C | -35°C |
Stagnation temperature | >220°C | >220°C | >220°C |
Net weight | 1.53KG | 2.77KG | 2.21KG |
Hot water output (17Mj/m2.dayΔT=35°C) | 5L | 8L | 8.5L |