Solar Keymark Approved Non Freeze Vacuum Heat Pipe Solar Collector for Solar Energy Heater

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Haining Qiruite Photoelectric Co., Ltd.

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Contact:Mr. Alex Yang(Mr.)  







Product details

Solar Keymark Approved Non Freeze Vacuum Heat Pipe Solar Collector for Solar Energy Heater 

1,high efficiency solar collector

2,rock wool/glass firber insulation
3,KEYMARK,CE certified solar collector
4,Factory price

Heat Pipe Vacuum Tube Solar Collector Features
1) Can be matched with any low pressure, high pressure hot water system.
2) Use heat pipe for the heat conduction and can get a high heat absorbtion efficiency and rapid heat transfer.
3) Easy plug-in design and installation.
4) Corrosion-resist Aluminium manifold and frame.
5) Optional 38° /45° Frame can resists wind with a velocity of 36m/s.
6) Can supply hot water to large amount water needer.
7) Economical for hotel, school, domitory, hospital and tall high-buildings.
8) No freezing

Material of Heat Pipe Vacuum Tube solar collector
1. Manifold Channel: 0.8mm thickness Red copper
2. Manifold Outer: 2.0 mm thickness Aluminum Alloy
3. Tube Size: 58mm x 1.800mm
4. Insulation layer: 40-45mm thickness Rock Wool /Polyurethane foaming
5. Hail resistance: 25mm
6. Max pressure: 6 bar
7. Frame: 1.5-2.0mm thickness Aluminum Alloy
8. Connections: 1/2", 3/4", 1" male thread

Heat Pipe Vacuum Tube solar collector Package: bubble film wrapped and carton box

Heat Pipe Vacuum Tube solar collector test report: Summery of EN12975 Test Results
Model Tube Specification Capacity Loading quantity
20'GP 40'GP 40'HQ
(Liter) (Sets) (Sets) (Sets)
QR58-12 Φ58mm*1800mm 120 143 297 348
QR58-15 Φ58mm*1800mm 150 125 258 303
QR58-18 Φ58mm*1800mm 180 106 220 258
QR58-20 Φ58mm*1800mm 200 98 204 240
QR58-24 Φ58mm*1800mm 240 80 166 195
QR58-30 Φ58mm*1800mm 300 68 142 167
Technical Data of heat pipe solar collector
Description vacuum solar collector
Numbers of tube(pcs) 12
Absorber area approx.(m2) 1.387
Hydraulic Connections 1/2", G3/4" male thread
Fluid volume(L) 1
Maximum operation pressure(Bar) 6
Test pressure(Bar) 9
Heat transfer fluid Anti-freeze Fluid (Water-Glycol)
Max.working temp. 250°C
hot water(L/Day) 200L
ΔT 35°C(Radiation>=800w/
Collector efficiency 0.764
Medium Pure water
Start-up Temperature of heat pipe <=30°C
warranty 5 years
Flow type Heat pipe
Heat pipe material TU1 copper
Heat pipe size Top: Ø14* 1mm; Body: Ø8* 0.6mm thickness
Tube diameter φ47/1500mm or φ58/1800mm
SOLAR VACUUM GLASS TUBE High boron-silicon
Coating of absorber on glass tube CU/SS-ALN/ALN(three target)
fins around heat pipe single long Aluminum(1.68m)
Manifold pipe material TU1 copper (Ø35x0.8mm)
Manifold casing material Aluminum alloy (2.0mm)
Insulation material in manifold casing Glass fiber
Thickness of insulation(mm) 45
Density of insulation (kg/m3) 90
Frame material Aluminum alloy frame (2.0mm)
Sealing Materials EPDM
Item Measured value 
Heat conduction coefficient >99% 
Axial heat transition auantity 0.93-2.49kw/cm² 
Heat conduction speed  >200mm/s 
Axial temperature difference 1-2°C/m
Starting temperature 20°C
Starting speed 2min 
Working temperature range  30°C~300°C
Resistance to high temperature No deformation in 48hours under 250°C high temp condition
Resistance to low temperature (-35°C)
Life time  >10years