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Contact Person : Mr. Lee Youto
Company Name : Haining Haoguang Solar Industrial Co., Ltd.
Tel : 86-573-87888088
Fax : 86-573-87888806
Address : Zhejiang,email us :<hnvacuumtube(at)hotmail.com>,changxiao village, yuanhua town,hainingcity (solartubes At gmail Dot com)
Country/Region : China
Zip : 314416

Haoguang three target all-glass vacuum heat collecting tube

Product Detailed

1)material:borosilicate 3.3 glass 2)Strong heat collection; 3)low emission Min. order:1000 pieces

The three-target all-glass vacuum heat collecting property and specification is as follows

Structure		All-glass double-tube co-axial structure
Glass material		High borosilicate 3.3 glass
External pipe diameter and thickness		Φ=47±0.7mm=1.6mm Φ=58±0.7mm=1.6mm Φ=70±0.7mm=2.0mm
Internal pipe diameter and thickness		Φ=37±0.7mm=1.6mm Φ=47±0.7mm=1.6mm Φ=58±0.7mm=1.6mm
Pipe length		1200mm 1500mm 1600mm 1800mm 1900mm 2000mm 2100mm
Absorptive coating property	Structure	Cu/SS-ALN(H)/SS-ALN(L)/ALN
	Sediment method	3 target magnetron sputtering plating
	Specific absorption	0.93~0.96
	Emission ratio	0.04~0.06
Vacuum tightness		5.0×10-3Pa
Idle sunning property parameters		260~300./KW
Solar irradiation for obtaining a preset water temperature	H≤4.7MJ/(Φ58)	H=3.7~4.2MJ/
	H≤3.7MJ/(Φ47)	H=2.9~3.2MJ/
Average heat loss coefficient		0.4~0.7W/(.)
Resistant Hail		25mm
Life aged		15 years

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