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High quality 58mm*1800mm both sides open solar vacuum tube( Manufacturer)
Specifications( solar glass tube)
1)all glass hard borosilicate :3.3
2)high efficient selective absorption coating: SS-C/CU &AL/N
3)size of vacuum tube:47*1500mm ,47*1800mm,58*1500mm,58*1800mm,70*2100mm
the concrete specification as follows:
Model:SFV-T47/1500,SFV-T47/1800, SFV-T58/1500,SFV-T58/2000 SFV-T70/2100
Specification:
1) Glass material: Borosillicate glass 3.3
2) Glass thickness:1.6mm
3) Absorption coefficient more than90%(92%)
4) Aborbtive coating:SS-C/CU&A;/N
5) Emission coefficient :less10%(8%)
6) Vacuum:less than 5*10-2 Pa
7) Stagnation temperature: mor than220 Celsius
8) Hail resistance:25mm
9) Freezing resistance:-35 Celsius
Structure |
|
Dual concentric geometry tube |
Material of glass |
hard borosilicate:3.3 |
|
Diameter and thickness of outer tube |
Ø58±0.7mm&1.6mm |
|
Diameter and thickness of inner tube |
Ø47±0.7mm&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 εh≤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 |
20 years |
|
Fast response: Your inquiry will be replied within 8 hours via e-mail or online messenger;
Technical support: You have more than 17 years experience from BAOGUANG SOLAR for product suggestion, installation guidance, market analysis, etc.
OEM & ODM: We welcome OEM & ODM requirements for solar collector, storage tank,
installation frame, and even for some outsourcing equipments;
Sample checking: In spite of quality control in production, samples will be selected and
installed to check prior to delivery;
Minimum order quantity: We offer sample sample manufacturing for customers to check
quality and service;
Shipping service: BAOGUANG company offers to arrange goods shipment to abroad ocean port
or inland site, and if necessary to make goods insurance, customs clearance, etc;
Import certificates: BAOGUANG company offers to make Certificate Origin CO, FORM A, FORM E, FORM F, customs certification, etc
1.Lead-time: 7-15 working days after receiving payment
2.Payment Term: T/T, L/C, Western Union
3. Warranty: 5 Years for the full system, 15 Years for the vacuum tube, and 1 year for accessories
4. Trade Term: FOB, CFR and CIF
1.High quality &Factory Price
2.Different sizes and power can be customized
3.Raw material at direct factory price with high quality
4.Discount is offered based on order quantities.
Send Inquiry to This Supplier
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