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Home » Product List » Vacuum Tube » Solar Vacuum Tube (JS-SVT)
Product Details
Solar Vacuum Tube (JS-SVT)
| Packing: | Standard Cartons |
|---|---|
| Model NO.: | JS-SVT |
| Productivity: | 100000PCS/Month |
| Unit Price: | US $ 1.45-2/ Piece |
| Shipment Terms: | by Sea,by Air,or by Land |
| HS Code: | 8419191000 |
| Trademark: | Jishen |
| Origin: | China |
| Use: | Bath, Warming, Washing, etc... |
| Pressure: | Pressurized |
| Circulation Type: | Indirect / Closed Loop (Active) |
| Heating System: | Thermosyphon (Passive) |
| Certification: | CE, RoHS, ISO9001: 2000, CCC, SGS |
| Connection Type: | Split |
| Application: | Water Heater |
| Type: | Evacuated Tube |
| Pipe Material: | Glass |
| Material: | Ss-C/Cu&Al-N/Al |
| Export Markets: | North America, South America, Eastern Europe, Southeast Asia, Africa, Oceania, Mid East, Eastern Asia, Western Europe |
Product Description
Specification:
The marerial of glass tube: Hard borosilicate: 3.3
The thickness of inner and outer tube of: 1.7mm and 1.8mm
Absorption coefficient: 93%
Absorptive coating: High efficient heat absorptive selective sputtering coating:
SS-C/CU&AL-N/AL
Emission coefficient: 10%(8%)
Evacuated: 5*10-3pa
Stagnation temperature: 220 degree celsius
Hail resistance: 25m
Freezing resistance: -35degree celsius
| Structure | Dual concentric geometry tube | |
| Material of glass | hard borosilicate: 3.3 | |
| Diameter and thickness of outer tube | Ø 58± 0.5mm& 1.6mm | |
| Diameter and thickness of inner tube | Ø 47± 0.5mm& 1.6mm | |
| Length of vacuum tube | 1800mm(± mm) | |
| Properties of absorptive coating | Coating method |
selective absorptive sputtering coating: SS-C/cu & AL/N |
| Transmissivity t≥ 0.89(AM1.5) | 0.913 | |
| Absorptance α ≥ 0.86(AM1.5) | 0.930 | |
| Emissivity ε h≤ 0.080(30degree± 5degree) | 0.026 | |
| Pressure of vacuum tube p≤ 5× 10-2 Pa | 5× 10-3Pa | |
| Stagnation parameter Y> 250sqm· degree/kW | 246.3 | |
| Solar radiance H< 4.7MJ/sqm | 4.59 | |
| Average heat loss coefficient: ULT< 0.8W(sqm· degree) | 0.721 | |
| Lifetime | 15 years | |
