Steel Guard - Vacuum Tube Solar

Vacuum tube Specification Φ58×1800
Quantity (piece) 50
Tube spacing (mm) 80

Header material/thickness (mm)
Liner material / thickness (mm) 0.5
Insulation material / thickness (mm) 45mm
Total heating collector area (m2) 7.86
Daylighting area (㎡) (m3) 4.9
Pressure bearing capacity （Mpa） 0.06
Angle 30
Boundary dimension (mm) 2180*3800
Net weight kg (20°, for example) 150
Full load weight kg (20°, for example) 300

Sun Absorption Efficiency: 93-96%, Vacuum Rating: Less than 5.0 x 10^3 Pa, Lifespan: 70% @ 15 Years