Anti Freezing Three Target Vacuum Tube Direct Plug Compact Non Pressure Solar Water Heater ST15-180
1. Designed for South Africa
2. Inner tank: SUS304 Stainless Steel
3. Outer tank: PVDF / Color steel /stainless steel
4. Frame: Aluminum alloy / Galvanized steel
5. Capacity: 150-360L
6. Heat preservation: 60-72h
7. Hail resistance: 25mm
Storage Tank |
Inner Tank | SUS304-2B food grade stainless steel |
Inner Tank Thickness | 0.4mm |
Outer Tank | PVDF 0.4mm which is good at anti corrosion |
Insulating Layer | Polyurethance Foam 50mm |
Vacuum Tube |
Material of the glass tube | Borosilicate glass |
Absorptive Coating | Grade ALN/AIN-SS/CU |
Length of Outer Tube | 1800mm |
Length of Inner Tube | 1755mm |
Outer Tube Diameter | 58mm |
Inner Tube Diameter | 47mm |
Glass Thickness | 1.6mm |
Distance between two tubes | 75mm |
Thermal Expension | 3.3*10-6/ºC |
Absorption coefficient | 95± 1 % |
Thermal emsision coefficient | 5 ± 1 % |
Vacuum | P≤5.0*10-3 Pa |
Stagnation Temperature | >200°C |
Average heat loss | <0.8w/ m2.°C |
Maximum strength | 0.8Mpa |
Resist hailstone | Φ25mm |
Resist wind | 30m/s |
Support Frame |
Material | Galvanized Steel |
Thickness | 1.5mm |
Angle | 45°/38°/25° |
Lifetime | 15 years |
Super Anti-erode outer tank: Outer tank is made by PVDF. Best anti-erode material. Especially for the seaside area, such as East South Asia etc.
Feeding water automatic: With special design, feeding water automatic,
and ensure the outlet water as stable temperature.
Suntask Fairs: