Description

All-glass vacuum tube solar because of its good insulation properties, coating solar absorption ratio, emission than the small, high efficiency heat widely used, mainly by vacuum tubes, set header, tail planes, seals and other components, mainly single risers and non-shaped forms. But there are also disadvantages to be solved: all-glass vacuum tube, such as the mouth and associated header inner ring directly connected with the hole, resulting in vacuum tube resistance to thermal shock performance is poor, if a vacuum tube broken, a serious leakage , followed by high temperature vacuum tube guitar scale water easily affect the performance. Features: 1. All-glass vacuum tube solar collectors have a certain ability to antifreeze for the winter temperature of 0 � to **0 � in the regions. 2. No pressure, water can not use air drying, or easy to burst the glass tube. 3. Specifications: There are many specifications to choose from, cloudless sunny *5 � hot water capacity :*****0kg / sqm. 4. High absorption rate: αs � *0%, low-emissivity: εh � 8%, daily average thermal efficiency ηd � *0%.