soalr water heaters
3.Delivery time:15 days
Payment Terms: T/T,Western Union,MoneyGram,L/C
Minimum Order: Negotiatable
Delivery Port: CustomizedContact Supplier
Packaging Detail: standard export carton
Delivery Detail: 7days for sample,15 days for container
solar water heaters
Evacuated Tube Specifications
5.Thermal expansion:3.3x10-6 °C
7.Absorptive Coating:Graded Al-N-Al
8.Absorptance: >93% (AM1.5)
9. Emittance: <8% (80°C)
10. Vacuum: P<5x10-3 Pa
11. Stagnation Temperature :>200°C
12. Heat Loss :< 0.8W/ ( m2°C )
13. Maximum Strength: 0.8MPa
14. Start-up temperature:=25°C
15. Anti hail:=Ø 25mm
Tank and Frame specification
1.inner tank material:SS304 2B food grade
2.out tank material:Aluminum alloy with metal coating /stainless steel Dia.460mm/420mm/470mm outer tank.
3.frame material:imported hot galvanized steel folded sheet with powder painting/stainless steel;
4.insulation:50mm polyurethane total forming with pressure and best density of 40kg/m3
5.Available sizes:16,18,20,24,30,36 tubes with capacity 135ltr up to 325ltr
solar water heater advantages:
1. Can he operated completely automatic if connect with intelligent controller.
2. Simple structure, easy plug-in installation, can be installed both on flat and inclined roof, and can be used with an auxiliary electric booster as to provide tot water without sunshine.
3. Superior heat preservation ensured by one-off molding polyurethane foam with thickness 50 65mm.
4. Suitable for camping area, holiday residences.
5. Stable and reliable performance, well wind resistance.
6. Meet the mankind healthy bath standard: The material of inner tank is SUS304-2B stainless steel plate; the silica gel ring sealing has a long life against the erosion and it ie not harmful to health.