Solar Energy Glass Tubes have high-performance absorption ratio, low reflectance ratio and strong heating.
Price Terms:FOB,CIF,EXW
Payment Terms: T/T,Western Union,MoneyGram,L/C
Minimum Order: Negotiatable
Delivery Port: Customized
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The specification of Solar Energy Glass Tubes:
Structure: All-glass double-tube co-axial structure
Glass Material: High borosilicate 3.3 glass
External pipe diameter: D=47±0.7mm
D=58±0.7mm
D=70±0.7mm
Internal pipe diameter: D=37±0.7mm
D=47±0.7mm
D=58±0.7mm
Thickness of vacuum tube: 1.6mm / 1.8mm
Heat loss coefficient: ≤0.90 / ≤0.85 / ≤0.80
Sun exposure temperature: ≥200
Coefficient of thermal expansion of glass: 3.3×10-6
Cover glass tube transmittancy: 0.91
Solar selective surface coating sputtering gradient: Al-N / Al / Cu
Solar absorption ratio(AM1.5): 0.93
Emission ratio: 0.06
Anti-hail capability: No damage from D25mm hail impact
Model No.:
Features: solar panel water
1.EN12975 certificate
2. easy to install
3. five years warranty
4.high efficiency
Model No.: HX-WH11UWAW
Features: 1.20 Years Warranly
2.Solar keymark.CE.ISO.OEM accept products
3.Pressurized solar water heater system
4.Green miracle
Model No.: HX-WH21UWAW
Features: 1.Solar keymark.CE.ISO.OEM accept products
2.20 Years Warranty
3.Pressurized flat pressurized solar water heater
4.4 cold
Model No.: HX-WH21UWAW
Features: 1.Solar keymark.CE.ISO.OEM accept products
2.20 Years Warranty
3.Pressurized pressurized solar water heater system
Model No.: HX-WH21UWAW
Features: 1.Solar keymark.CE.ISO.OEM accept products
2.20 Years Warranty
3.Pressurized pressurized solar water heater
4.4 cold weather
Model No.: HX-WH23CTAW
Features: 1.18 Years Warranty
2.Solar keymark.CE.ISO.OEM.product
3.For Extremely cold weather
4.Solar heater water
5.High efficiently
Model No.: HX-WH11UWAW
Features: 1.20 Years Warranly
2.Solar keymark.CE.ISO.OEM accept products
3.Pressurized pressurized solar water heater
4.Green miracle
Model No.: HX-WH21UWAW
Features: 1.Solar keymark.CE.ISO.OEM accept products
2.20 Years Warranty
3.Pressurized pressurized solar hot water heater
4.For cold
Model No.: HX-WH21UWAW
Features: 1.Solar keymark.CE.ISO.OEM accept products
2.20 Years Warranty
3.Pressurized split and pressurized solar water heater
Model No.: HX-WH21UWAW
Features: 1.Solar keymark.CE.ISO.OEM accept products
2.20 Years Warranty
3.Pressurized heater solar energy water heater
4.For cold
Model No.: HX-FPC23UWCW
Features: 1.Split or One-piece
2.20 Years Warranty
3.OEM approved
4.We have Solar keymark.CE.ISO
Model No.: HX-WH11UWCW
Features: 1.20Year Warranty
2.Solar keymark.CE.ISO.OEM accept products
3.Pressurized solar hot water heater
4.For cold weather