Home > Products > All-glass solar heat pipe > all glass double-target solar collector tube
all glass double-target solar collector tube
- 30000 Piece / Pieces per Month
- Qingdao
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Product Details
Place of Origin: | Shandong, China | Brand Name: | guangpu | Model Number: | 47*1200 47*1500 47*1800 58*1500 58*1800 58*2000 |
Type: | Vacuum Solar Collector | Application: | Water Heater | Pipe Material: | Glass |
Product Description
Specifications
Superior thermal conductivity: this tube transfers heat energy through the phase transition of the transfer fluid.Material: Borosilicate glass 3.3
We only source from good manufacturers the best borosilicate glass 3.3 that is produced in China. It should have the ability to withstand high temperature and high pressure,as well as high sunlight transparancy which is above 0.91. The best material is the first step to produce products with highest quality. We are always paying not only more money but also great attention to this.
Selective coating: SS-C/Cu
The out surface of the ineer tube is double coated with stainless steel and copper when adopting the newest magnetron sputtering coating technology. This type of selective coating (SS-C/Cu) can endure very high temperature. This is important because the tube is exposed in high temperature to evacuate the jacket between the inner tube and the outer tube. The solar energy absorption ability should be above 0.88.
Vacuum jacket
The inner and the outer tube been sealed together, the tube is exposed in high temperature to evacuate the gas from the jacket between the inner and the outer tube. The vacuum degree should be lower than 3.0×10-3(Pa). The vacuum jacket is an ideal insullation protecting the heat energy in the tube.
Technical specification
Length: 1500mm
Outer Tube Diameter: 47mm
Inner Tube Diameter: 37mm
Glass Thickness: 1.6mm
Structure: two concentric borosilicate glass 3.3
Transparancy: 0.91
Thermal Expansion: 3.3 × 10-6°C
Selective Coating: SS-C/Cu
Absorptance: 0.88-0.90 (AM1.5)
Heat Loss: 0.4~0.6W/m2°C)
Vacuum Degree: P≤3×10-3 (Pa)
Emittance: 0.04-0.06(80°C±5°C)
Stagnation Temperature: 260-300°C
Hail Resisteance: hail diameter ≤Φ25mm
Max Strength: 0.8MPa
Certification: ISO9001:2008
Warranty: over 10 years
Specification | |
Structure | Two concentric borosilicate glass tubes |
Material | Borosilicate glass 3.3 |
Outer tube diameter | Φ47±0.7mm &=1.6mm |
Φ58±0.7mm &=1.6mm | |
Inner tube diameter | Φ37±0.7mm &=1.6mm |
Φ47±0.7mm &=1.6mm | |
Length | 47-1500mm/1600mm/1800mm |
58-1500mm/1600mm/1800mm/2000mm/2100mm | |
Coating | SS-C/Cu |
Solar absorption efficiency | 0.88-0.90(AM1.5) |
Launch ratio | 0..04~0.06(80°C±5°C) |
Vacuum degree | P≤5.0×10-3 (Pa) |
Max stagnation temperature | 260~300°C |
Average heat loss coefficient | ULT= 0.4~0.6w/(m2.°C) |
Resistance performance | Hail diameter≤ 25mm |
Solar irradiation for obtaining a preset water temperature rise in an all-glass evacuated solar collector tube under stagnation | H=3.7~4.2 MJ/m2(58mm) |
H=2.9~3.2MJ/m2(47mm) |
Contact Us
- Shandong Guangpu Solar Energy Project Co., Ltd.
- Contact namexinjiang chi
- Phone86-632-5665199
- AddressNo. 156, Shanguo South Road, Tengzhou
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