Product description
Axial fans, reversible (bi-directional), for continuous operation in high temperatures, up to + 105°C and high humidity. Specifically designed for use in drying chambers, especially in wood dryers and other drying processes where alternating bi-directional fan operation is required. Equipped with modern cup-shaped blades to ensure the same flows in both directions.
- Standard diameter range: 500 – 1000mm
- Capacity range: 5400 – 46800m3/h
- Operating temperatures: -20 to +105°C
- Impeller material: Blades and hub – die-cast aluminium
- Power of installed motors: 0.55 – 5.5kW
- Motor speeds: 1500, 1000 min-1
- Motors fitted with maintenance-free bearings
- Motors as standard suitable 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 1~230 V [A] | Current at 3~400V [A] | Speed [min -1] | Maximum capacity [m3/h] | Maximum static pressure [Pa] | Sound level [dB(A)]* | Mass [kg]** | |
|---|---|---|---|---|---|---|---|---|---|---|
| 1101 | KSU500/0,55/8/Al.rev | 0.55 | - | 1.88 | 1400 | 9000 | 120 | 77 | 17 |
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| 1102 | KSU630/1,1/5/R/Al.rev | 1.10 | - | 3.45 | 1400 | 15500 | 150 | 79 | 26 |
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| 1103 | KSU710/2,2/9/R/Al.rev | 2.20 | - | 4.90 | 1400 | 22500 | 250 | 80 | 38 |
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| 1104 | KSU808/3,0/9/R/Al.rev | 3.00 | - | 6.30 | 1400 | 30500 | 250 | 81 | 39 |
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| 1105 | KSU900/4,0/6/R/Al.rev | 4.00 | - | 8.20 | 1400 | 34900 | 230 | 83 | 68 |
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| 1106 | KSU1000/5,5/8/R/Al.rev | 5.50 | - | 11.50 | 1400 | 48600 | 300 | 84 | 82 |
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Characteristics
Performance
KSU500
KSU630
KSU710
KSU808
KSU900
KSU1000
Dimensions
Dimensions
| Product no | Fan type | ØD | ØDz2 | ØDp | ØDz | L | L1* | n x Ød |
|---|---|---|---|---|---|---|---|---|
| 1101 | KSU500/0,55/8/Al.rev | 500 | 553 | 610 | 640 | 185 | ~343 | 8xØ12 |
| 1102 | KSU630/1,1/5/R/Al.rev | 630 | 683 | 740 | 770 | 185 | ~376 | 8xØ12 |
| 1103 | KSU710/2,2/9/R/Al.rev | 710 | 763 | 820 | 850 | 185 | ~389 | 8xØ12 |
| 1104 | KSU808/3,0/9/R/Al.rev | 808 | 861 | 920 | 950 | 185 | ~389 | 8xØ14 |
| 1105 | KSU900/4,0/6/R/Al.rev | 890 | 943 | 1000 | 1030 | 185 | ~371 | 8xØ14 |
| 1106 | KSU1000/5,5/8/R/Al.rev | 985 | 1038 | 1095 | 1125 | 235 | ~457 | 8xØ14 |