evacuated tube

Features:
1) The heat-pipes are made of advanced superconductive oxygen-free copper
2) No water in
Features:
1) The heat-pipes are made of advanced superconductive oxygen-free copper
2) No water inside, can protect against freezing and hail, safer and more reliable
3) Starts up fast and collects solar energy fully
4) Converting solar energy into thermal energy that is transferred through oxygen
free copper heat pipes
5) Graceful appearance, long service life and non-polluting
6) The evacuated tube with superconductive heat-pipe is the most advanced product
in the world
7) Dimensions: dia. 28 x 1,200mm, dia. 28 x 1,500mm, dia. 47 x 1,500mm, dia. 58 x 1,800mm, dia. 70 x 2,000mm
Product Description
Solar vacuum tube
Material: High borosilicate 3.3 glass
Size: 47/58 solar vacuum tube
MOQ: ONE FULL CONTAINER
Solar vacuum tube
Iterms Size Capacity(L) Absorb area(m2) 20GP/40GP loading qty(PC)
Solar vacuum tube 47*1200 1.29 0.07 4200 / 8960
47*1450 1.56 0.08 3360 / 7280
47*1500 1.61 0.09 3360 / 7140
47*1600 1.72 0.09 3220 / 6860
47*1800 1.93 0.10 2940 / 6020
58*1200 2.17 0.90 3000 / 6480
58*1500 2.71 0.11 2400 / 5280
58*1600 2.89 0.12 2280 / 5040
58*1650 2.98 0.12 2280 / 4800
58*1700 3.07 0.13 2280 / 4680
58*1750 3.17 0.13 2160 / 4560
58*1800 3.26 0.14 2160 / 4440
58*1900 3.44 0.14 1920 / 4200
58*2000 3.62 0.15 1920 / 4080
58*2100 3.80 0.16 1920 / 3960
70*1800 5.09 0.17 1500 / 3000
70*2000 5.65 0.19 1300 / 2800
70*2100 5.93 0.20 1300 / 2800
Glass material: High borosilicate 3.3 glass
Abosorbing coating property
Structure: CU/SS-ALN(H)/SS-ALN(L)/ALN
Sedment method: 3 high magnertron sputtering plation
Specific absorption: As=0.93-0.96(AM1.5)
Emission ratio: ξ H=0.04-0.06(80`± 5)
Vacuum tightness: P≤ 5.0*10-3Pa
Package: Carton