Pressuirized Solar energy system with vacuum tube and heat pipe

Specifications:
1) Thickness of bracket: 1.5mm
2) All-glass vacuum heat collection tube: 58mm x 1.8m x 18pcs/21pcs/24pcs
3) Inner tank: SUS304-2B food grade stainless steel
4) Outer tank: spraying painted steel
5) Tank Capacity: 163L/188L/214L
6) Insulating layer: thickness: 50mm
7) Thickness of inner tank: 2.0-2.5mm
8) Tank diameter: 490mm
9) Heat preservation: 72hrs
10) Hail resistance: 25mm
11) Aperture area: 1.839sqm/2.213sqm/2.586sqm/2.960sqm

Features:
1) The vacuum tube adopts three target tube and heat pipe
2) Parabolic surface internal bladder: higher pressure-supportive capability
3) The best angle: a reasonable bracket angle basing on different latitude in order
to gain more heat
4) Convenient installment: available on both horizontal and slanting house roofs
5) 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