Gold Member Since 2011
Audited Supplier
Jiaxing Carrefour New Energy Co., Ltd.

Vacuum Tube, Solar Vacuum Tube, Evacuated Tube manufacturer / supplier in China, offering 58*1800mm Vacuum Tube for Solar Water Heater, Low Pressure Solar Water Heater (Solar System Hot Collector), Pressurized Solar Water Heater (etc Solar Collector) and so on.

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Supplier Homepage Product Accessories of Solar Water Heater 58*1800mm Vacuum Tube for Solar Water Heater

58*1800mm Vacuum Tube for Solar Water Heater

FOB Price: US $28-39 / pcs
Min. Order: 10 pcs
Min. Order FOB Price
10 pcs US $28-39/ pcs
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Production Capacity: 36000PCS/Year
Transport Package: Standard Export Package
Payment Terms: L/C, T/T, Western Union

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Basic Info
  • Model NO.: JJL-vacuum tube
  • Type: Three Target Vacuum Tube
  • Application: Water Heater, Solar Thermal, Heat Pipe Tube
  • Pressurized: Non-Pressure
  • Material: Tri-Target Glass
  • Trademark: JJL solar energy Or Optional
  • Origin: Zhejiang, China
  • Condition: New
  • Certification: ISO, CE
  • Pipe Material: Glass
  • Size: 58*1800mm/47*1500mm
  • Be Used for: Non Pressure System
  • Specification: 58mm*1800mm
  • HS Code: 8419191000
Product Description
58*1800mm Tri-target vacuum tube for solar water heater solar collector tube

1>5 years warranty, long life span
2>Most competitive price and high quality
3>Quality assurance comply with ISO 9001-2008
4>Product quality in compliancee with CE
5>Fast delivery and rich export experience
6>OEM and ODM service

Technical Parameters:
Tube structureAll-glass double tube co-axial structure
Glass materialBorosilicate 3.3 glass
Absorber coatingCoating materialCU/SS-AL/N
Sediment methodTri-Targets magnetron sputtering plating
Emittanceε≤6 % (80°C±5°C)
Vacuum degreeP ≤5.0×10-3 Pa
Transmittance of glass tubeT ≥0.89(AM1.5 ISO9806-1:1994)
Stagnation parameterY ≥250 m²°C/kw
Average heat lossULT:0.55~0.65W/(m²*°C)
Hail resistanceΦ25 mm
Pressure-endure0.6 Mpa

Tri-element tubes consist of two glass tubes which are fused together at one end. The inner tube is coated with a selective coating with 12 layers of spattering deposition technology that absorbs solar energy well. The coating is  ALN/AIN-SS/CU  by gradual change techniques,  which has better heating efficiency.
The air is withdrawn ("evacuated") from the space between the two glass tubes to form a vacuum, which eliminates conductive and convective heat loss. Therefore, evacuated tubes could achieve up to 380 degree from theoretical condition, and act as the key component of solar water heater

Packaging:standard export cartons
1. Loading port:Shanghai, Ningbo
2. Sea transport for bulk order, Air transport and Courier Service for sample order
3. EXW,FOB,CIF all accepted

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