Solar Energy Vacuum Tube has 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 Vacuum Tube:
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
Solar absorption ratio(AM1.5): 0.93
Emission ratio: 0.06
Anti-hail capability: No damage from D25mm hail impact
Model No.: SLB
Features: 1.CE,SRCC,Solar Keymark,SABS
2. Anti-freezen & pressurized
3. 10 years warrantee
4. 10-15 days delivery
5. OEM available...
Model No.: SLB
Features: 1.CE,SRCC,Solar Keymark,SABS
2. Anti-freezen & pressurized
3. 10 years warrantee
4. 10-15 days delivery
5. OEM available...
Model No.: GTSS
Features: bracket
1.5mm Aluminium alloy
Model No.: SLB
Features: 1.CE,SRCC,Solar Keymark,SABS
2. Anti-freezen & pressurized
3. 10 years warrantee
4. 10-15 days delivery
5. OEM available...
Model No.: SLB
Features: 1.CE,SRCC,Solar Keymark,SABS
2. Anti-freezen & pressurized
3. 10 years warrantee
4. 10-15 days delivery
5. OEM available...
Model No.: CN-58*1800
Features: solar vacuum tube
1.Guarantee:15years
2.Deliver time:7days
3.certification of CCC,CE&ISO9001
4.Manufacturer more than 8years
Model No.: HX-EWT120L
Features: 1.Solar keymark.CE.ISO.product
2.18 Years Warranty
3.Extremely cold weather
4.Solar energy water tank
5.OEM approved
Model No.: 58/1800mm
Features: All glass evacuated solar collector tubes are the key component of the Solar Collectors and Solar Water Heater.
Model No.: BXHS-20M
Features: Factory
1.DN20(3/4")thermostatic mixing valve
2.Flow:26.67L/min
3.Setting Range:35-60C
4.+/-2C accuracy
Model No.: solar heat pipe
Features: solar heat pipe vacuum tubes
1. with certificate of ISO 9001:2000, CE,CCC
2. OEM
3. life time: 15 years
4.USD1.35-6.85/pc
Model No.: 100L-500L
Features: split pressurized solar water heater
low heat loss
quick temprising
reliable quality
resistance of high and low temperature
Model No.: THT-1
Features: 1) Latest technology
2) High quality and reasonable price
3) Personalized design
4) Convenient And Practical