EN-12975 Domestic Solar Collector

1.SRCC,Solar Keymark.SGS,
2.100000Btu/day based on 1000watt/M2
3.15 years warantee for vacuum tube
Solar collector,pressurized solar collector,soalr hotwater collector.

Solar collector specification:
1. Manifold (interior): 0.8mm thickness Red copper
2. Manifold (exterior): 2. Mm thickness Aluminum alloy
3. Glass tube dimensions: 58mm x 1.800mm / 47mm x 1.500mm
4. Tube no: 10/12/15/18/20/22/24/25/28/30tube
5. Insulation layer: 35mm thickness glass firber /polyurethane layer
6. Heat preservation: 72 hrs
7. Hail resistance: 25mm
8. Max pressure: 6 bar
9. Coating of vacuum tube: Ss-c/cu
10. Frame: 2.0mm thickness Aluminum Alloy

Tube structure: All glass double deck co-axial structure

Glass material: High borosilicate 3.3 glass

Outer tube diameter and glass thickness Φ=58±0.7mm&=1.6mm ± 0.15mm
Inner tube diameter and glass thickness Φ= 47±0.7mm&=1.6mm ± 0.15mm
Tube Length:1800mm



Absorption coating property:


Coating material: AL/AL-ALN(H)/AL-ALN(L)/ALN

Sediment Method: Three target Magnetron sputtering plating

Absorptivity: As=0.92~0.96(AM1.5)


Emission ratio: ∑h=0.04~0.06(80°C±5°C)

vacuum degree : P≤5.0*10-3(Pa)


Stagnation temperature (temperature inside of empty evacuated tubes):260 -300 °C
Average heat loss: U(LT)=0.4~0.6W/(m2.°C)

Hail resistance:Φ25mm



Pressure-endure: 1 Mpa








Outer manifold thickness: 2.5mm


Manifold (exterior): aluminum alloy


Insulation layer : 60mm thickness


Max pressure: 12 bar













Inner thickness of copper header: 1.0mm

Manifold ( interior ): Red Copper