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Product Details

Solar Water Heater Vacuum Tubes

   
Packing:  Canton Box With Foam
Model NO.:  Lucky
Productivity:  1000000PCS/Month
HS Code:  84191910
Trademark:  Lucky
Origin:  China
Use:  Bathroom
Pressure:  Unpressurized
Circulation Type:  Direct / Open Loop (Activezh)
Heating System:  Thermosyphon (Passive)
Certification:  Srcc, Solar Keymark, SGS, CE, ISO
Connection Type:  Direct-Plug
Application:  Solar Thermal
Type:  Vacuum Solar Collector
Pipe Material:  Glass
Tube Type:  Triple Target or Single Target
Export Markets:  North America, South America, Eastern Europe, Southeast Asia, Africa, Oceania, Mid East, Eastern Asia, Western Europe
Product Description

JIXIANG heat pipe has a low thermal capacity, and has rapid heat exchange (it is 1000 times of copper heat exchange speed, so it is an available fast heat exchanger.

Heat exchange rate is up to 99 percent. The startup is fast, collect solar
Energy fully, at 25degree, 5 seconds can startup heat. At the same time, it has heat Exchange unilateralism diode function system, for example: Heat energy exchange Is a direct progress from heat absorber to water. But it will not back up or reversal in the water. Because of matter physics effect in the heat tube and especial Construction of condenser, the biggest work temperature of this system will Be controlled; This particular characteristic ensures the stability under special Conditions.

The solar collector tubes have especially excellent ability of absorbing solar energy, and the high vacuum they had formed can reduce the heat loss to the lowest degree, because the selective coating can transfer the perpendicular incidence radiation and diffuse radiation to the super conducting heat pipes.

The solar collector tubes take on the available absorb solar energy and heat preservation adiabatic function, even if it located in disadvantage condition, it also can arrest drain of heat. The heat pipe takes on the transfer solar energy function rapidly. These optimize combination is superior to any other ones even if it is located in the uncommon conditions.

Specification of basic vacuum tubes
 
Tube Standard Tube (Normal tubes) Tri-tuble (Three high tube)
Specification Model 47*15 Model 58*18 Model 47*15 Model 58*18
Length 1500mm 1800mm 1800mm 1800mm
Outer tube diameter 47mm 58mm 47mm 58mm
Inner tube diameter 37mm 47mm 37mm 47mm
Weight 1.3kg 2.2kg 1.3kg 2.2kg
Glass thicknes
(Inner Tube)
1.6mm 1.6mm 1.6mm 1.6mm
Glass thicknes
(outer Tube)
1.6-2.0mm 1.6-2.0mm 1.6-2.0mm 1.6-2.0mm
Glass material Borosilicate
Glass 3.3
Borosilicate
Glass 3.3
Borosilicate
Glass 3.3
Borosilicate
Glass 3.3
Coating material AI-A-AI AI-A-AI AIN-SS-Cu AIN-SS-Cu
Coating position Outer surface of
inner tube
Outer surface of
inner tube
Outer surface of
inner tube
Outer surface of inner tube
Deposition Method DC reactive
sputtering
DC reactive
sputtering
DC reactive
sputtering
DC reactive
sputtering
Absorption ratio ≥91% ≥91% ≥94% ≥94%
Reflection ratio ≤7% ≤7% ≤6% ≤6%
Vacuum degree 3.0T2-3Pa 3.0T2-3Pa 8.0T2-4Pa 8.0T2-4Pa
Thermal expansion 3.3*10-6/0C 3.3*10-6/0C 3.3*10-6/0C 3.3*10-6/0C
Stagnation parameter 220m2°C/KW 220m2°C/KW 220m2°C/KW 220m2°C/KW
Solar rediamce exposure
 for obtaining a present water temperature
4.6MJ/m2 4.4MJ/m2 3.9MJ/m2 3.6MJ/m2
Average heat loss
 coefficient
0.75w/(m2.°C) 0.73w/(m2.°C) 0.67w/(m2.°C) 0.62w/(m2.°C)
Max pressure 0.6MPa 0.6MPa 0.6MPa 0.6MPa
Minimum temperature
 endurable
–35°C –35°C –40°C –40°C
Hailstone endurable
 (diameter)
Less than D25mm Less than D25mm Less than D25mm Less than D25mm
Maximum temperature
 endurable
270°C 270°C 300°C 300°C
Lifetime 15 years 15 years 15 years 15 years
 
 

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