MGV-70mm Vacuum Tube Solar Collectors; Evacuated Tube Collector

Type: pressurized
Application: water heater
Pipe material: copper
Type: pressurized
Application: water heater
Pipe material: copper
Tube: 70mm vacuum tube
Colors: gray/black
Circulation type: indirect/closed loop (active)
Numbers of tubes: 8 to 16
Max working pressure: 6 bar
Absorber coating: SS-ALN-CU
Manifold shell: 2.0mm frosted aluminum alloy
Insulation: PVC/NBR.55mm thickness
Frame: 3.0mm aluminum alloy
Higher efficiency than ordinary heat pipe tube
With characteristic of 30 second heat output and 300°C condenser stagnation temperature
Can provide more water of higher temperature and have wider applications
Dry connection design makes the system workable even though one tube breaks
Insulation enables the collector suitable for any environment all over the world
Recommended installation angle: 15 to 90°
Advantages:
Metal-glass sealed, full vacuum inside single glass wall
Flat absorber and larger area
High vacuum magneto-controlled sputter coating
Instant start-up
Anti-freezing -35°C, stagnation temperature 300°C
6.2mm premium borosilicate glass 3.3mm and hail resistance 35mm
Ultra-low heat loss
Free-angle installation
Certifications: CE/solarkeymark
Warranty: 10 years
Features:
MGV-70 Metal-Glass Vacuum Tube has 15% higher efficiency than ordinary heat pipe tube. With characteristic of 30 second heat output and 300 °C condenser stagnation temperature, it can provide more water of higher temperature and have wider applications. “Dry” connection design makes the system workable even though one tube breaks. Excellent insulation enables the collector suitable for any environment all over the world. Recommended installation angle: 15°~90°.
Technical Data
Model
NSC-70-10 A
NSC-70-20 A
NSC-70-30 A
Number of Tubes
10
20
30
Gross Area
2.27 m
2
4.26 m
2
6.25 m
2
Absorber Area
1.04 m
2
2.08 m
2
3.12 m
2
Weight
45 kg
80 kg
120 kg
Length×Width×Height
1990×1140×180 mm
1990×2140×180 mm
1990×3140×180 mm
Hot Water Production
100 L/d
200 L/d
300 L/d
Fluid Content
1.9 L
3.8 L
5.6 L
Max Working Pressure
6 bar
Max Stagnation Temperature
250°C
Absorber Coating
SS-ALN-CU (σ>0.95 ε<0.05 )
Long-term Vacuum
10
-8
bar
Manifold Shell
2.0mm frosted Aluminum Alloy
Insulation
Rock Wool, 50mm thickness, 180kg/m
3
Frame
Stainless Steel or Aluminum Alloy
Recommended Installation Angle
15°~ 90°
Warranty
10 year