Products

Contact Person : Mr. gu norman
Company Name : Haining Aojin Solar Energy Industry Co., Ltd.
Tel : 86-573-87872010
Fax : 86-573-87888686
Address : Zhejiang,haining city,No.3 chang yi road, yuanhua town, haining city
Country/Region : China
Zip : 314416

triple target solar vacuum tube

Product Detailed

1)high efficient absorptive 2)triple target: SS-c/cu & AL/N 3)solar tube 4)solar keymark

Specification of all glass solar vacuum tube:

The marerial of glass tube: hard borosilicate :3.3

The thickness of inner and outer tube of:1.6mm

Absorption coefficient: more than 92%

Absorptive coating :high efficient heat absorptive selective sputtering coating::

SS-C/CU&AL/AN

Emission coefficient:less than (8%)

Evacuated :less5*10-3pa

Stagnation temperature: more 220 degrees celsius

Hail resistance: 25mm

Freezing resistance:-35 celsius degrees

Structure		Dual concentric geometry tube
Material of glass		hard borosilicate:3.3
Diameter and thickness of outer tube		Ø58±0.5mm&1.6mm
Diameter and thickness of inner tube		Ø47± 0.5mm&1.6mm
Length of vacuum tube		1800/2000mm(±10mm)
Properties of absorptive coating	Coating method	selective sputtering absoptive coating :AL-N/AL
	Transmissivity t≥ 0.89(AM1.5)	0.920
	Absorptanceα≥ 0.86(AM1.5)	0.80
	Emissivity εh≤0.080(30°C±5°C)	0.041
Pressure of vacuum tube: p≤5×10-2 Pa		5×10-3 Pa
Stagnation parameter: Y>190sqm·°C/kW		223.8
Solar radiance: H<4.7MJ/sqm		4.61
Average heat loss coefficient: ULT<0.8Wsqm·°C)		0.792
Lifetime :		10-15 years

triple target solar vacuum tube

Other products