BN

Low-pressure, radial, direct-driven fans. Housing is made of welded steel sheet. The impeller with welded, backward-tilted blades is made of steel . Other materials on request.
 

Application

The fans are designed for transporting clean and slightly dusted air. They are used as elements of various ventilation systems and to generate air blast in numerous industrial processes.

Construction

Low-pressure, centrifugal, direct-driven fans. The rotor with welded, backward-tilted blades is made of steel sheet. The housing is made of welded steel sheet, reinforced with steel angle bars and connected to the base of the electric motor. The whole set is painted with powder paint.

Electric motor

Asynchronous, three phase 400V, 50Hz, IE3. The motors are manufactured in accordance with the IEC 60034-1 standard. Insulation class F, degree of protection IP 55. On request, we can supply motors driven by another voltage or frequency, and/or with an increased level of protection.

Additional accessories

Inlet and outlet adaptors, noise suppressor, noise dampening housing for motors, vibration dampeners, etc.
Fans and accessories are selected on request.
Name Speed
[r.p.m.]
P max
[W]
Q max
[m3/h]
P
static [Pa]
Weight
[kg]
Temp.
min.
[oC]
Temp.
max.
[oC]
BN-2-355/220T 2890 2200 6880 1670 45 -20 40
BN-2-400/400T 2870 4000 9780 2090 60 -20 40
BN-2-450/750T 2930 7500 14210 2750 80 -20 40
BN-2-500/1500T 2940 15000 19560 3420 120 -20 40
BN-4-450/110T 1425 1100 6910 660 80 -20 40
BN-4-500/150T 1440 1500 9580 820 120 -20 40
BN-4-560/300T 1445 3000 13500 1040 145 -20 40
BN-4-630/550T 1455 5500 19360 1330 180 -20 40
BN-4-710/1100T 1475 11000 28100 1740 240 -20 40
BN-4-800/1850T 1475 18500 40200 2210 345 -20 40
BN-4-900/3000T 1470 30000 57020 2770 450 -20 40
BN-4-1000/5500T 1475 55000 78480 3450 560 -20 40
BN-6-630/150T 930 1500 12380 550 180 -20 40
BN-6-710/300T 965 3000 18380 750 240 -20 40
BN-6-800/550T 950 5500 25880 920 345 -20 40
BN-6-900/1100T 980 11000 38010 1240 450 -20 40
BN-6-1000/1500T 980 15000 52150 1520 560 -20 40
BN-6-1120/3000T 985 30000 73630 1930 680 -20 40
BN-6-1250/4500T 990 45000 102900 2430 820 -20 40

Performance curves