Zhejiang Hurras Solar Energy Technology Co., Ltd. [China]

It's widely use in schools,factories,hotels and armies.

Features:

       Structure: Glass Co-Axial Dual Tubes

       Material: Borosilicate Glass      

       Absorption Rate : 92%

       Emittance Rate : 8%

       Life Time : 15 years

Specifications:

         Manifold: Interior-Copper; Exterior-Aluminum Alloy

         Tube Coating: ALN/AIN-SS/AL

         Tube Dimension : 47mm*1500mm /58mm*1800mm

         Daily Efficiency :≥55%, ≥45% in winter

         Operating Pressure : 6 Bar 

         Anti-Freeze:-35

         Hail Resistance: 25mm

All-Glass Vacuum Solar Collecting Tube