Shandong CTNO New Energy Co.,Ltd
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  You are here: 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: 011-7S331 R
Valid till: Jan 31, 2013
Din Certco Solar keymark Certificate
 
Shandong CTNO New Energy Co.,Ltd
Solar water heaters, solar collectors.
21# Dongsi Road, Dongying,P.R.China
 
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Vacuum Solar Tubes, Solar Water Heaters, Solar-Thermal-Collector.
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