Haining Jixiang Solar Energy Co., Ltd.
Main products:Solar Water Heater
Contact Us
  • Contact Person : Ms. Guo Grace
  • Company Name : Haining Jixiang Solar Energy Co., Ltd.
  • Tel : 86-0573-87882805
  • Fax : 86-0573-87882807
  • Address : Zhejiang,Haining,18th Lianhong road Yuanhua industrial zone
  • Country/Region : China
  • Zip : 314416

Solar Keymark Vacuum Tube Solar Collector

Solar Keymark Vacuum Tube Solar Collector
Product Detailed
Solar Keymark Vacuum Tube Solar Collector 1. SRCC,SOLAR KEYMARK,CE,SGS, 2. PRESSURIZED SOLAR COLLECTORS 3. 24/7

 Solar Keymark Vacuum Tube Solar Collector  


1. Adopts red copper channel, with great performance of heat exchange.

2. Utilize copper heat pipes containing special medium liquid with low boiling point.

3. Work well in all climate, can be function well even in ambient temperature of minus 30 degree


4. Each heat pipe tube works independent and efficiently.

5. No water flows inside the vacuum tube, no risk of freezing.

6. Withstand high water pressure of up to 1.2 Mpa.



1. Manifold: Aluminum alloy

2. Channel: Red copper

3. Heat pipe: Copper

4. Bracket: Aluminum alloy/ Galvanized steel/ Stainless steel

5. Insulation material: Rock wool

Solar Keymark  Vacuum Tube Solar Collector Specification

Three-target Vacuum Tube Performance and Specification:

Tube structure

All-glass double deck co-axial structure

Glass material

High borosilicate 3.3 glass

Outer tube diameter and glass thickness

Ø58±0.7mm; Glass thickness 1.6±0.15mm

Inner tube diameter and glass thickness

Ø47±0.7mm; Glass thickness 1.6±0.15mm

Tube dimension



Coating material


Sediment method

Three Target magnetron sputtering plating


α =0.92~0.96 (AM1.5)

Emission ratio

Emission: ε=0.04~0.06(80°C±5°C)

Vacuum degree


Stagnation temperature

(temperature inside of empty evacuated tubes)

260~300 °C

Average heat loss

ULT 0.4~0.6 W/(m2 *°C)

Hail resistance

Ø25 mm

24mm Premium Heat Pipe Performance and Specification:

Heat pipe material

Oxygen free copper (TU1),Cu=Ag>99.99%(o2<16ppm)

Condenser dimensions

Top: Ø14mm/20mm/22mm/ 24mm, Body: Ø8Length:1750± 10mm


0.3mm/0.0098’’ thick sets of Aluminum fins,1630mm

Starting speed


Max. operation pressure


Max. testing pressure


Stagnation temperature



Manifold Performance and Specification:

Manifold header pipe

TU2 copper

Manifold casing

Anodized aluminum alloy (6063-T5/T6)

Insulation layer

Compressed rock wool.

Bracket Performance and Specification:


Iron spray plastic

(Aluminum-alloy, stainless steel, optional, will quote per request)

Vertical installation angle



Other Components Performance and Specification:

58 dia. Anti dust rubber ring

Cymene ethylene silicon rubber(110)

58 dia. White inner stopper of heat pipe

Cymene ethylene silicon rubber(110)

58 dia. Tube holder

Nylon 1013-(B)

58 dia. Tube holder cover

Nylon 1013-(B)

End cover for manifold

Nylon 1013-(B)

Left sealed ring

Silicon rubber(110)







Solar Keymark Vacuum Tube Solar Collector

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