both sides open solar tube

both sides open solar tube Be able to heat ;water ,air,oil ,etc FOB 5-6 usd Export to Israel ,turkey ,Thailand,et

both sides open  solar  tube

1. product description :

This is not usual solar tube .Tt is open on both sides. It is coated on the inner tube .The evacuation point is in the middle of the tube.

It is double tube structure , there is vacuum between the outer and inner tube . So this tube will absorb the soalr ,then heat the fluid in the tube ,and resist the heat loss.

 This tube is be able to heat oil ,water ,air,and other fluid .

no coating  both ends open tube

 There is no coating on the inner tube . It is totally transparent. There is vacuum between the two tubes , so it can also be able to resist the heat loss.

 2.

Specification

Specifications (both sides open solar vacuum tube)
Structure		All-glass double-tube structure
Glass material		Borosilicate glass 3.3(Li nuo)
thickness		2.0 mm/1.6mm
diameter	Outer tube	58mm
	Inner tube	47mm
Length	1700mm
Solar absorbing layer	Structure	Cu-Stainless Steel-ALN
	Coating method	3 target magnetron sputtering coating
	Absorption ratio	0.93~0.96
	Emission ratio	0.04~0.06
Vacuum tightness		5.0×10-3Pa
heat loss		0.4~0.6W/(m².°C)
Resist Hail		Φ25mm
Resist cold		-15°C
Resist pressure		0.6 Mpa
Resist high temperature		230 °C
Life		10 years
Warranty		3 years
Certificates		CE& ISO9001:2008

3. Use area

This is soalr power generation project.

This is the solar desalination of sea water project.

4.How to send you the tubes and avoid breaking in Freight.

We put foam in the carton.

If you need small quanity , we would pack the carton with special wood box to avoid breaking in the frieght .

This is 40HQ container , we sell 2 containers of tubes each month  to Turkey . We also sell a lot tubes  to Israel ,India ,Thailand,czech republic,etc.

5.Company certificate

ISO9001:2008

CE

6.How to contact us ?

Contact person :  Tony  (sales manager of Hanning Chaoda Solar Collector Tubes Co ,Ltd) Telephone: +86 0573 87859001      cell phone : +86 13757348845

Fax: +86 0573 87859009

Skype  tonyliao1987

Trade manager:  cn205095001 

Company Website:  www.hnchaoda.com.cn

Company adress:  34 yujie group, xintang village,maqiao street ,Haining city,Zhe jiang,China

Thanks for your time , have great day . Welcome to chat with me on trade manager.

both sides open solar tube