collector tube
1.structure: two concentric borosilicate
2.stable and aging resistant coating
3.Long lifetime
Ripple Layer of collector tube :
Specification: | ||
Structure | All-glass double-tube co-axial structure | |
Glass material | High borosilicate 3.3 glass | |
External pipe diameter and thickness | dia.=47±0.7mm &=1.6mm dia.=58±0.7mm &=1.6mm | |
dia.=70±0.7mm &=2.0mm | ||
Internal pipe diameter and thickness | dia.=37±0.7mm &=1.6mm dia.=47±0.7mm &=1.6mm | |
dia.=58±0.7mm &=1.6mm | ||
Pipe length | 1500mm 1600mm 1800mm1900mm 2100mm | |
Absorptive coating property | Structure | copper/aluminum/steel |
Sediment method | Single target magnetron sputtering plating | |
Specific absorption | as=0.88~0.92(AM1.5) | |
Emission ratio | 0.05~0.075(80°C±5°C) | |
Vacuum tightness | P≤5.0×10-³Pa | |
Idle sunning property parameters | Y= 220 ~ 260m²°C/KW | |
Average heat loss coefficient | Ult=0.86W/m2 |