Series 3000 Adjustable Blade Louvres
Features:
- Designed for either single louvre use in small openings or multiple louvre applications in larger openings where the vertical mullions are to be features.
- Can be stacked in banks with the proper supporting steelwork to provide a large louvre opening area.
- Ruggedly and accurately made
- Wide variety of materials and finishes enables the designer to blend or contrast the louvres with the surrounding materials to achieve the desired architectural effect.
Coefficient of Discharge:
- Series 3000 Standard Blade Types 3140 & 3160: 0.63
- Series 3000 Weather Resistant Blade Types 3540 & 3560: 0.68
- Robertson Series 3000 Operating louvers are factory assembled units available in a wide variety of materials.
| Standard blade | Weather resistant blade | |||
| No. of Inter. Blades | Type 3140 100 Deep | Type 31 60 150 Deep | Type 3540 100 Deep | Type 3560 150 Deep |
| 2 | 500 | 710 | 639 | 846 |
| 3 | 635 | 875 | 779 | 1036 |
| 4 | 750 | 1040 | 919 | 1226 |
| 5 | 865 | 1205 | 1059 | 1416 |
| 6 | 980 | 1370 | 1199 | 1606 |
| 7 | 1095 | 1535 | 13399 | 1796 |
| 8 | 1210 | 1700 | 1479 | 1986 |
| 9 | 1325 | 1865 | 1619 | 2176 |
| 10 | 1440 | 2030 | 1759 | 2366 |
| 11 | 1555 | 2195 | 1899 | 2556 |
| 12 | 1670 | 2360 | 2039 | 2746 |
| 13 | 1785 | 2525 | 2179 | 2936 |
| 14 | 1900 | 2690 | 2319 | 3126 |
