Vacuum Solar Tube

Vacuum Solar Tube  Please check the whole page carefully of the solar tube manufacturing process gallery.  The solar tubes 47-1500, 47-1800, 58-1800 are available for your order. Other models, 58-2000, 58-2100, 100/110-2000, we can make according to your quantity orders.
Description Place of Origin China Model Number VST-CTNO Price Terms FOB,CNF,CIF Brand Name CTNO or OEM Payment Terms T/T, L/C Minimum Order 1 x 40' FCL Supply Ability 350,000pcs/month Delivery Lead Time 7 days Features: Technical Specifications The solar tubes 47-1500, 47-1800, 58-1800 are available for your order. Other models, 58-2000, 58-2100, 100/110-2000, we can make according to your quantity orders.  Length 1500mm 1800mm Outer tube diameter 47mm 58mm Inner tube diameter 37mm 47mm Weight 1.3kg 2.2kg Glass thickness 1.6mm 1.6mm Material Borosilicate Glass 3.3 Borosilicate Glass 3.3 Absorptive coating Graded A1/N/A1 Graded A1/N/A1 Vacuum degree P<5*10 -3 Pa P<5*10 -3 Pa Thermal expansion 3.3*10 -6 /°C 3.3*10 -6 /°C Insolation Temperature >200°C >200°C Absorptance >93% >93% Emittance <8% <8% Heat loss <0.8W/(m2°C) <0.8W/(m2°C) Maximum strength 0.8Mpa 0.8Mpa Resist cold -35 °C -35 °C Resist hailstone Ø25mm Ø25mm Resist wind 30m/s 30m/s Start-up temperature <=25°C <=25°C Item No. Specification Effective collector area m2 Diameter of solar tube Length of solar tube VST-TF-4715 Ø47mm 1.5M 0.0966 VST-TF5818 Ø58mm 1.8M 0.1350
Producting Process for vacuum solar tubes in our factory.-- The real manufacturer of solar tubes Cutting Tubes and Seal Sealing for Solar Tubes Outer tube     Coating of Solar Tubes Laser to print Logo     Solar Vacuum Tube Testing Vacuum Solar Tube Inspection     Packing and Warehouse for solar tubes Loading containers of Solar Vacuum Tubes
The solar tubes 47-1500, 47-1800, 58-1800 are available for your order. Other models, 58-2000, 58-2100, 100/110-2000, we can make according to your quantity orders.
Certificate No: 06911Q10642R0M Valid till: Mar 31, 2014  ISO Certificate  Registration No: 011-7S1957 R  Valid till: July 31, 2017  Din Certco Solar keymark Certificate