| 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 | 180*160mm | ||
| 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 | |
