Gold Member Since 2008
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Changzhou Imposol New Energy Co., Ltd.

Rooftop Solar Water Heater, Flat Plate Solar Collector, Flat Plate Solar Heater manufacturer / supplier in China, offering Roof Top Flat Panel Solar Water Heater, Excellent 300L Solar Swimming Pool Heater, Thermosyphon 300L Vacuum Tube Solar Geyser and so on.

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Supplier Homepage Product Solar Vacuum Tube Roof Top Flat Panel Solar Water Heater

Roof Top Flat Panel Solar Water Heater

FOB Price: US $250 / Piece
Min. Order: 1 Piece
Min. Order FOB Price
1 Piece US $250/ Piece
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Production Capacity: 1000 PCS / Week
Transport Package: Carton and Wooden Box
Payment Terms: L/C, T/T, D/P

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Basic Info
  • Model NO.: XinCheng series
  • Tube Size: 58*1800
  • Brand: Imposol
  • Condition: New
  • Pipe Material: Copper
  • Specification: SRCC Solar Keymark CE ISO9001
  • HS Code: 8419901000
  • Insulation Material: Polyurethane
  • Tube No.: 25
  • Warranty: 8years
  • Application: Solar Thermal, Water Heater
  • Trademark: Imposol
  • Origin: China
Product Description
All glass evacuated tubes are the key component of solar collectors. The evacuated tube is similar to a conventional Dewar flask and consists of two borosilicate glass tubes, a glass with high chemical and thermal shock resistance. The outer side of the inner tube is coated with a sputtered solar selective surface. This coated inner tube is closed at one end and sealed at the other end to the outer tube. The annular space between the outer tube and inner tube is evacuated to virtually eliminate heat loss by conduction and convection. Imposol successfully developed the innovative Advanced Solar Selective Coatings in commercial scale, which achieve the highest thermal efficiency and good thermal stability. Solar selective coatings absorb most solar radiation while simultaneously suppressing the thermal emittance loss from coating surfaces. They vary mainly in their optical property and thermal stability. Excellent results have been obtained by using DC magnetron sputtering technology. A solar absorptance of 0.94 - 0.96 with an emittance of 0.04 - 0.06 at 100 oC has been achieved.

1. High solar-thermal conversion and low heat loss.
2. Stable advanced coating up to 380 degree
3. Long time warranty to 15 years
4. High level vacuum ensure operation under cold weather
Advanced solar selective coatings
Advanced solar selective coatings employ two patent technologies:
(1) double cermet film structure with the highest photothermal efficiency
(2) Metal-Aluminum nitride cermet (M-AlN) materials deposited by a novel sputtering

Certificate: SRCC Solar Keymark CE ISO9001
Dimension LxWxT2000 × 1000 × 90(mm)
Gross Area (m ² )2.0
Efficiency Area(m ² )1.82
Cover Material4mm  Glass/Low-iron Glass
Absorber MaterialRed Copper
Surface TreatmentSputtering coating
Header MaterialCopper TP2 
Rise MaterialCopper TP2 
Plate – Tube JointLaser welding
Insulation Material60K Fiber glass (back)  Polyurethane (side)

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