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   SOLAR WATER HEATER
　


    

　

　

　

　

　

　

　

　

　

　

　

　

　

　

　

　

　

　

Solar Water Heater
  
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Big heat-pipe technical data
Model 　　　　　　　Glass vacuum tube
Glass material　　　Hign-quality borosilicate glass
Glass tube diameter　　Φ70mm
Thickness of vacuum　　Φ10mm
Wall thickness　　　　  2mm
Single tube weight 　　 2kg
High vacuum,long-term stability　5〜10-3Pa
Absorber material　　　aAluminum
Coating　　　　　　　　aAluminum Nitride Absorption coefficient　α−0.94
Wind resistance　　　　　30m/s
Freezing tolerance　　　　-30
Hail resistance　　　　　Φ35mm hail
Insolation temperature　　250
Start-up temperature　　　＋25
　
　 　 　
　 1.Polyethylene insulation with a fabric casing can be used if polyurethane insulation is not suitable.
2.Tanks are designed for high pressure that direct connection to mains pressure water supply is permitted.
3.Direct connection of copper coil HE to mains pressure water supply is permitted.
4.In most regions,only locally approved heating elements can be used.The heating element port can be custom made as required to suit any sized element.(Female thread-located in top of tank).A sample of the heating element will need to be provided before tanks are manufactured in order to confirm thread.		 　
　 　 　
　
Tank Specifications
Tank Capacity
150L
200L
250L
300L
Overall Tank Height(mm)
1060m
1370m
1680m
1990m
Net Weight(Empty no Coil HE)
23kg
29kg
34kg
40kg
Inner Tank Diameter
450mm outside diameter
Outer Casing Diameter
510mm outside diameter
Standard Ports
3/4≦female BPP thread
Temperature Sensor Ports
8mm ID-total 80mm depth
Insulation Material
30mm CFC free polyurethane insulation
Inner Tank Material
2mm porcelain enamel
Outer Tank Casing1
0.4mm 304 2B SS or Waterproof Canvas(indoor use only)
Tank Max Pressure Rating2
6 bar
　
Copper Coil Heat Exchanger Specifications
HE Material
10mm OD〜1.0mm copper pipe
HE Surface Area(large/small)
1.25m2/0.6252
HE Max Pressure3
8 bar
HE net weight4(large/small)
8kg/4.2kg
Inlet & Outlet
3/4≦male BSP thread
　
Accessories
Sacrificial Magnesium Anode
20mm〜400mm(replaceable)
Heating Element Port5
Female thread(top of tank,1≦-21/2≦)