солнечный водонагреватель под давлением

pressurized solar water heater Features: 1) The vacuum tube adopts the three-layer heat 2) It can withstand the pressure from tap water (0.6Mpa-0.8Mpa) 3) higher pressure-supportive capability 4) The best angle: A reasonable bracket angle basing on different latitude in order To gain more heat 5) Convenient installment: Available on both horizontal and slanting house roofs Super and strong heat preservation: Using the world's advanced hydraulic pressure Technology to make it with higher heat preservation 6) Meeting the demand of all kinds of families 7) Economical goods with high quality 8) Huge aperture area and water capacity Specifications: 1) Thickness of bracket: 1.5mm 2) All-glass vacuum heat collection tube: 58mm x 1.8m x 15/18/20/24pcs 3) Inner tank: 2.0mm porcelain enamel 4) Outer tank: Galvanized steel 5) Insulating layer: Thickness: 55mm 6) Thickness of inner tank: 0.4 +- 0.02mm 7) Tank diameter: 470mm 8) Capacity: 100L-300L 9) Heat preservation: 72hrs 10) Hail resistance: 25mm 11) Aperture area: 1.923/2.315/2.575/3.097