Detailed Product Description

solar vacuum tube of Gtc-solar:

Certificates:CE ISO ROHS

2,glass material:  high borosilicate 3.3glass

3,extermal pipe diameter and thickness:  Φ47+/-0.7mm 1.6mm   Φ58+/-0.7mm 2mm

4.internal pipe diameter and thickness: Φ37+/-0.7mm 1.6mm 

Φ47+/-0.7mm 1.6mm

5,strucure:  AL-N/AL(AL-N/AL selective absorptive coating)

6,sediment method: direct-current reaction splash-jetting

7,specific absorption: s090-0.94

8,vacuum tightness: P≤2*10-3(Pa)

9,ldle sunning property parameters: 250C/KW

10,Immersed sunning auxiliary volume: 2.8MJ/

11,average heat loss coefficient:  Ult 0.6W(.)

12,life:   10 years(at least)

13, oxygen free copper is used as raw material. first quality

14, With super conducting working liquid in copper heat pipe

15, It can bear high temprature and low temprature

       Optional size: 47mm x 1500mm / 58mm x 1800mm