| Vacuum tube | Size (mm) | Φ58×1800/Φ47×1500 |
| Tube (pcs) | 10/15/20/30/40/50/60 |
| Glass | Double layer borosilicate 3.3 glass with high vacuum |
| Coating | Three-target selective coating Cu/SS-ALN |
| Distance from tube to tube (mm) | 75 |
| Manifold | Dimension | 1800*1600mm |
| Manifold Inner tank | Food-grade stainless steel SUS304-2B/SS316 |
| Manifold | Stainless steel/Galvanized steel |
| Out Tank |
| Insulation | High-density polyurethane foaming40mm thickness |
| Manifold connections | 3/4" or 1/2" optional |
| Bracket | Stainless steel/Galvanized steel/Aluminum Alloy |
| Nut and bolts are made up of stainless steel |
| Angle | 0°~ 90°,adaptable to flat or slope roof |
| Hail resistance | Φ25mm diameter |
| Model Number | Solar Vacuum Tube | Aperture Area/ m² | Installation |
| Size/mm | Qty/pcs |
| NPC-58-15 | Φ58*1800 | 15 | 1.421 | horizontal |
| NPC-58-20 | 20 | 1.894 | horizontal |
| NPC-58-25 | 25 | 2.369 | horizontal |
| NPC-58-30 | 30 | 2.842 | horizontal |
| NPC-58-40 | 40 | 3.788 | vertical |
| NPC-58-50 | 50 | 4.738 | vertical |
| NPC-58-60 | 60 | 5.684 | vertical |
Complaint
