1.CE,CCC,ISO9001 certificated
2.Advanced design,high quality
3.Anti-freeze,high efficient absorption
4.Reasonable price,
Price Terms:FOB,CIF,EXW
Payment Terms: T/T,Western Union,MoneyGram,L/C
Minimum Order: Negotiatable
Delivery Port: Customized
Contact SupplierPackaging Detail: standard export cartons packing or Customer requirements, also samples packing with wooden case.
Delivery Detail: about 10 work days after confirm.
Solar collector specification:
1. Vacuum tubes of solar collector:
* Hail proof: Hail resistance 20-30mm
* Guarantee on vacuum tubes: 3 years
* Vacuum tube size: ø 58X1800mm,
* Thickness: 2.5-3mm
* Coating layers: Structure: A1-N/A1 or CU/SS-ALN(H)/SS- ALN(L)/ALN
* Grade: Normal/Three target
* Heat preservation: 72 hours
* Seal: Silicone rubber polymer
* Absorption rate: ≥ 0.95± 0.02
* Emission rate: ≤ 0.20± 0.02
* Vacuum tightness: P≤ 5.0*0.0001Pa
* Idle sunning property paramerers: Y=220-260. /KW
* Avetage heat loss coefficient: Ult=0.6-0.7W(. )
* It means the temperature in the water tank is rang from 50 to 100 degree.
2. Tank:
* Inner tank, thickness: 0.40mm, material: SUS304-2B stainless steel/Color coated sheet/Mirror sheet/Galvanized sheet.
* Outer tank thickness: 0.40mm, color coated sheet
* Insulation layer: 55-65mm as you want. Computerized pressurizing and foaming of polyurethane.
3. Frame of solar collector:
* Material: Aluminum alloy.
* Thickness: 1.2-1.5mm
* Paint wind resistant: ≤ 30m/s
* Guarantee on system: 5 years
* If you want to know more details, please send us mail, we will be glad to help, thanks!