*Working Principle:

This solar collector applies the dual borosilicate glass vacuum tube as the heat absorber, It has a high heat efficiency, low price. It is suitable for regions with good sunshine conditions and winter temperature above -20 ^oC.
All-glass Vacuum Tube Solar Collector KD-SC-AG

*Material:
A) Vacuum tube: borosilicate glass
B) Manifold: red copper
C) Joint box: aluminum alloy/stainless steel

D) Bracket: aluminum alloy / galvanized steel 

* Insulation:
A) Material: rock wool or foam polyurethane
B) Thickness: 55mm (Max. preserving time: 72 hours)

*Working pressure: 0.6 MPa

*Testing pressure: 1.2MPa

*Hail resistance: Ø 25mm
* 3 years international quality guarantee
* Packaging: vacuum tube / carton, manifold / carton, joint box / carton, bracket / carton

Technical Data of All-glass Vacuum Tube Solar Collector :

 Certification: