KBFN
Table of contents:
Product description
Axial fans, reversible (bi-directional), for continuous operation in high temperatures, i.e. up to + 105°C and high humidity. Equipped with flanges of larger external diameters and larger pitch diameters of the connection openings in comparison with “KSN” type fans. Equipped with modern cup-shaped blades ensuring the same flow in both directions.
- Standard diameter range: 500 – 1250mm
- Capacity range: 5400 – 81300m3/h
- Operating temperatures: -20 to +105°C
- Impeller material: blades and hub – die-cast aluminium
- Installed motor powers: 5.5 – 11kW
- Motor speeds: 1500, 1000 min-1
- Motors fitted with maintenance-free bearings
- Motors adapted as standard for speed control by a frequency converter
- Housings made of aluminum
Optional executions
- High-temperature temp. max: 120°C,
- Housing made of stainless steel
- Motors fitted with grease nipples
- Flow parameters other than standard
- Installed motor powers: up to 7.5kW
Construction
Housing
Motor
Rotor
Housing:
- Welded aluminium with optimised inlet/outlet shape
- Fitted with welded motor shelf
- Made of aluminium for high corrosion resistance
Casing optional execution:
- Material: stainless steel grade 1.4301
- Painted in colour from RAL palette
Motor:
- Asynchronous 3 phase
- Supply voltage: 3~ 230/400V; 400/690V
- Insulation class: H
- Protection class: IP 55
- Cast aluminium motor housing
- Equipped with maintenance-free bearings
Motor optional execution:
- Supply voltage: 440V, 460V
- Supply frequency: 60Hz
- Efficiency class: IE3, IE4
- Degree of protection: IP 56, IP 66
- Winding temperature sensors
Rotor:
- Blades and hub – die-cast aluminium
- Special blade shape – cup-shaped for high efficiency and performance in both flow directions
- Dynamically balanced to class G-6.3 according to ISO 1940-1
Technical data
Specification
| Nr kat. |
Type fan |
Motor power [kW] | Current at 1~230V [A] | Current at 3~400V [A] | Speed [min -1] | Maximum capacity [m3/h] | Maximum total pressure [Pa] | Sound level [dB(A)]* | Weight [kg]** | |
|---|---|---|---|---|---|---|---|---|---|---|
| 1101 | KBFN500/0,55/8/Al.rev | 0.55 | - | 1.88 | 1400 | 9000 | 120 | 77 | 17 | |
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| 1102 | KBFN630/1,1/5/R/Al.rev | 1.10 | - | 3.45 | 1400 | 15500 | 150 | 79 | 26 | |
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| 1103 | KBFN710/2,2/9/R/Al.rev | 2.20 | - | 4.90 | 1400 | 22500 | 250 | 80 | 38 | |
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| 1104 | KBFN808/3,0/9/R/Al.rev | 3.00 | - | 6.30 | 1400 | 30500 | 250 | 81 | 39 | |
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| 1105 | KBFN900/4,0/6/R/Al.rev | 4.00 | - | 8.20 | 1400 | 34900 | 230 | 83 | 68 | |
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| 1106 | KBFN1000/5,5/8/R/Al.rev | 5.50 | - | 11.50 | 1400 | 48600 | 300 | 84 | 82 | |
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| 1107 | KBFN1250/7,5/9/R/Al.rev | 7.50 | - | 15.30 | 960 | 74200 | 200 | 102 | 104 | |
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| 1108 | KBFN1250/11,0/9/R/Al.rev | 11.00 | - | 21.90 | 960 | 81300 | 200 | 102 | 183 | |
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Characteristics
Performance
KSBF500
KSBF630
KSBF710
KSBF808
KSBF900
KSBF1000
KSBF1250 7,5 kW
KSBF1250 11,0 kW
Dimensions
Dimensions
| Product no | Fan type | ØD | ØDz2 | ØDp | ØDz | L | L1* | n x Ød |
|---|---|---|---|---|---|---|---|---|
| 1101 | KBFN500/0,55/8/Al.rev | na zapytanie | na zapytanie | na zapytanie | na zapytanie | na zapytanie | na zapytanie | na zapytanie |
| 1102 | KBFN630/1,1/5/R/Al.rev | 630 | 683 | 760 | 818 | 195 | ~365 | 8xØ12 |
| 1103 | KBFN710/2,2/9/R/Al.rev | 710 | 763 | 860 | 898 | 195 | ~390 | 8xØ12 |
| 1104 | KBFN808/3,0/9/R/Al.rev | 808 | 861 | 960 | 996 | 235 | ~430 | 8xØ14 |
| 1105 | KBFN900/4,0/6/R/Al.rev | 890 | 943 | 1040 | 1078 | 235 | ~410 | 8xØ14 |
| 1106 | KBFN1000/5,5/8/R/Al.rev | 985 | 1038 | 1115 | 1173 | 235 | ~440 | 8xØ14 |
| 1107 | KBFN1250/7,5/9/R/Al.rev | na zapytanie | na zapytanie | na zapytanie | na zapytanie | na zapytanie | na zapytanie | na zapytanie |
| 1108 | KBFN1250/11,0/9/R/Al.rev | na zapytanie | na zapytanie | na zapytanie | na zapytanie | na zapytanie | na zapytanie | na zapytanie |