Rectangular duct fans used for supplying or extracting air in ventilation and air conditioning systems. Mounted on rectangular ducts. They can be installed in all positions. With hinged doors, with easy access to the rotor to clean the impeller.
Rotor: with backward curved blades with artificial or steel
galvanized
Engine: with moving stator, with built-in thermal protection
or led contacts from the windings and maintenance-free bearings.
Housing: galvanized steel.
WARNING! The fans are not designed to work with polluted air, aggressive or explosive gases.
| Type | Sizes [mm] | ||||||
| B | B1 | B2 | H | H1 | H2 | L1 | |
| VKSB 300×150 | 300 | 320 | 340 | 150 | 170 | 190 | 400 |
| VKSB 400×200 | 400 | 420 | 440 | 200 | 220 | 240 | 445 |
| VKSB 500×250 | 500 | 520 | 540 | 250 | 270 | 290 | 530 |
| VKSB 500×300 | 500 | 520 | 540 | 300 | 320 | 340 | 560 |
| VKSB 600×300 | 600 | 620 | 640 | 300 | 320 | 340 | 640 |
| VKSB 600×350 | 600 | 620 | 640 | 350 | 370 | 390 | 700 |
| VKSB 700×400 | 700 | 720 | 740 | 400 | 420 | 440 | 780 |
| VKSB 800×500 | 800 | 820 | 840 | 500 | 520 | 540 | 880 |
| VKSB 1000×500 | 1000 | 1020 | 1040 | 500 | 520 | 540 | 980 |