solar vacuum tube

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solar vacuum tube
Posting date : May 18, 2010
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70-
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Features: High solar-thermal conversion and low heat loss Stable advanced coating up to 380 centigrade Long time warranty to 15 years High level vacuum ensure operation under cold weather Data sheet of solar vacuum tube Material borosilicate glass 3.3 Structure All glass coaxial double-layer tubes Material of coating AlN/AIN-SS/Cu Absorptance 0.94 to 0.96 Emittance 0.04 to 0.06 Vacuum less than 5×10-4pa Stagnation temperature 270 to 300 centigrade Heat-loss coefficient less than 0.6w/ ㎡ *℃) Bearing hailstone ability Hailstone diameter Ф25mm Pressure-endure ability 1Mpa

ECROBOT CO., Ltd, Business Registration Number : 220-88-71747, CEO J.W.Park, TEL : +82-2-552-7676, E-mail : E-mail : Contact us
Address : (Hwanghwa B/D 11F, Yeoksam-dong)320, Gangnam-daero, Gangnam-gu, Seoul, South Korea
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