General solar collector tube is 1)higher absorptance ,lower emittance 2)reliable quality,reasonalbe price 3)warranty 15 year
We do business on the basis of honesty, responsibility!And we accept small orders with an eye to our future business.
Solar Vacuum Collector Tube technology:
Material apply for high 3.3 borosilicate glass
Models Φ47/Φ58/Φ70
Structure all-glass-coaxial double-layer tubes
outer tube diameter 47±0.7mm &=1.8mm
58±0.7mm &=1.8mm
70±0.7mm &=2.0mm
inner tube diameter 37±0.7mm &=1.8mm
47±0.7mm &=1.8mm
58±0.7mm &=2.0mm
Length: 800/1200/1500/1600/1800/1900/2000/2100mm.
Absorptance 0.93~0.96
Emittance 0.04~0.06(80°C ±1.5°C)
Transmittance of outer tube 0.91
Stagnation temperature(height) 280~300°C
Pressure-endure 1Mpa
Stable advanced coating up to 380
solar collector tube
