US$49.00-300.00 | 1 Piece (MOQ) |
Regular models specification | |||||
Model/Capacity | 25 | 50 | 100 | 150 | 200 |
Vacuum tube | Φ58*1800 high efficiency collector vacuum tubes | ||||
Vacuum tubes quantity | 25PCS | 50PCS | 100PCS | 150PCS | 200PCS |
Mounted direction | Vertical | Horizontal | |||
Installation size need for ground | 2X1.65 | 3.8X1.85 | 3.8X4.2 | 3.8X6.2 | 3.8X8.2 |
Manifold inside material | SUS304 2B / 316L (Optional) | ||||
Manifold Outer cover | Stainless steel / Colorful painted steel | ||||
Insulation | High density polyurethane foam (Non-CFC) | ||||
Ground stand | All stainless steel stand |
Specification of vacuum tube | |
Structure | All-glass double-tube co-axial structure |
Glass Material | High borosilicate glass 3.3 |
External Pipe Diameter & Thickness | Ø=58±0.7mm&=1.6mm, |
Internal Pipe Diameter & Thickness | Ø=47±0.7mm &=1.6mm, |
Pipe Length | 1800mm |
Coating Layers | Cu/SS-ALN (H)/SS-ALN (L)/ALN |
Coating Method | Three target magnetron sputtering plation |
Specific Absorption | as=0.93~0.96(AM1.5) |
Emission Ratio | Σh=0.04~0.06(80°C±5°C) |
Vacuum Tightness | P≤5.0×10-3Pa |
Idle Sunning Property Parameters | Y= 260 ~ 300m². °C/KW |
Solar Radiation for Obtaining a | H≤3.7 MJ/ m²(Ø47), H=2.9~3.2 MJ/ m²; |
Preset Water Temperature | H≤4.7 MJ/ m²(Ø58), H=3.7~4.2 MJ/ m². |
Average Heat Loss Coefficient | ULT=0.4~0.6W/ (m². °C) |