手机版链接:https://m.trustexporter.com/cz763408.htm
结构Structure
全玻璃双管同轴结构
Entire glass double barrel coaxial structures
材料Material
高硼硅3.3特硬玻璃
Glass tube material: borosilicate glass 3.3
外观直径
Outside diameter
Φ47±0.7mm &=1.6mm Φ58±0.7mm &=1.6mm
内管直径
Internal diameter
Φ37±0.7mm &=1.6mm Φ47±0.7mm &=1.6mm
规格长度
Specification length
47-1500mm/1600mm/1800mm
58-1500mm/1600mm/1800mm/2000mm/2100mm
吸收涂层性能材质
Selective absorber coating material
SS-ALNX/CU
吸收率Solar absorption efficiency 0.91~0.93(AM1.5)
发射比Launch ratio 0..04~0.06(80℃±5℃)
真空度
Vacuum tube vacuum degree
P≤2.0×10-3(Pa)
空晒性能参数
Maximum stagnation temperature
Y=250㎡C/KM
平均热损系数
Average heat loss coefficient
ULT= 0.4~0.6w/(㎡.℃)
抗冰雹性能
Resistance performance
≤ 25mm