1.CE,ISO9001certificate 2.production capacity of 8000-10000pcs/day 3.more than 15years warranty
vacuum tubes
Can tested and certified as Solar keymark European standard, high efficient, stable performance
1)Good material :using high--borosilicate 3.3 glass ,the thickness of blank tube and the tube diameter are reached the national standard.
2)Thick film :coating time is up to 45 minues or more ,it has more than 12 coating .
3)High vacuum :advanced vacuum suction technology ,450 centigrade high temperature for up to 60 minutes of the strict exhaust .degree of vacuum pu to 5x10--Pa.
4)High performance :absorption ration :0.90--0.93 ,emission ration :0.05--0.075
.fast thermal collecting efficiency ,It is widely used in domestic
all glass vacuum tube
Solar vacuum tube: high solar-thermal conversion and low heat loss. High lever vacuum ensure operation under cold weather.
Specification:
Material: apply for high 3.3 borosilicate glass
Models: Φ47/58/70
Structure: all-glass-coaxial double-layer tubes
Outer tube diameter: 47(58,70)±0.7mm
Inner tube diameter: 37(47,58) ± 0.7mm
Tube thickness: 1.6(1.8) ± 0.15mm
Absorptance: 0.930.96(AM1.5)Emittance: 0.040.06(80±5)
Pressure-endure: 1MPa
Stable advanced coating up to 380.
Starts up fast and collects solar energy fully.
Can resist impact of hail and is suitable for cold weather in winter.
High level vacuum ensure operation under cold weather.
Long time warranty to 15 years.
Size | Capacity(L) | Absorb area(m2) | 20GP/40GP loading qty(pc) | |
Solar 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 |
vacuum tube/solar water heater energy collector withCE
