solar vacuum tube collector

solar vaccum tube collector

7) solar collector.

Features:
1) Collector size: 130mm x 130mm
2) Vacuum tube: 1,500mm / dia. 47, 12pcs/sector 24 tubes/set
3) Vacuum tube: 1,800mm / dia. 58, 15pcs/set, 20pcs/set or 30pcs/set
4) Collector housing: 0.8mm stainless steel, frame 1.5mm stainless steel,
insulation material, rock wool or polyurethane
5) Can be series at random, forming super-big solar project
6) Works normally if  one tube damaged