solar vacuum tube

solar vacuum tube
solar vacuum tube range:single target tubes,three target tubes,Tri-element tube,three cavity tubes,heat pipe
solar vacuum tube
1.High absorption effeciency ,widely applicant to family solar system and commercial solar water system.

2.Inner glass tube diameter: 37mm/47mm/58mm
3.Glass tube length:available from 1200mm to 2100mm
4.Wall thickness:1.6mm
5.High vacuum ,long-term stability:5*103 Pa
6.Absorptive Coating:Al/N/Al or CU/SS-ALN
7.Absorption coefficient: more than 93%
8.Emission coefficient : less than 6
9.Wind resistance:30m/s
10.Freezing tolerance:minus 35Celsiur
11.Hail resistance:25mm
12.Life time:more than 15years

We have
8 automatic production line
of solar vacuum tubes.Evacuated glass vacuum tube production capacity is
8000pcs/day,
and
solar water heater 100sets/day
.
solar vacuum tube range:
single target tubes,three target tubes,Tri-element tube,three cavity tubes,heat pipe tubes,double glass vacuum tubes.