Helical extractor fan – Blauberg ISO-K 450 4E for commercial kitchens

Soundproof enclosure for air up to 120 °C

The Blauberg ISO-K 450 4E is an in-line centrifugal fan for industrial kitchens, featuring a sound-insulated galvanised steel casing. It is designed for use with 450 mm ducts and handles air at temperatures ranging from -20 °C to +120 °C. The centrifugal impeller with backward-curved blades is paired with a 230 V single-phase AC motor, designed for air extraction in high-flow professional systems. Suitable for continuous operation on large networks.

With a maximum air flow rate of 8,138 m³/h, power consumption of 1,570 W, a rated current of 7.25 A and a speed of 1,470 rpm, this model is suitable for demanding extraction systems. The declared sound pressure level is 57 dB(A) at 3 m. The IP54 protection rating and weight of 109 kg complete a configuration designed for ducted technical installations. For air up to 120 °C in continuous operation.

• Type: in-line centrifugal fan for industrial kitchens
• Series: Iso-K
• Duct diameter: 450 mm
• Casing material: galvanised steel
• Casing: soundproofed
• Motor type: single-phase AC
• Power supply: 230 V
• Frequency: 50 Hz
• Rated power: 1570 W
• Rated current: 7.25 A
• Maximum air flow rate: 8,138 m³/h
• Maximum air flow rate: 2,261 L/s
• Rotational speed: 1,470 rpm
• Sound pressure at 3 m: 57 dB(A)
• Air temperature: -20 °C to +120 °C
• Protection class: IP54
• Motor protection: IP54
• Fire resistance class: 120 °C for 60 minutes
• Impeller type: centrifugal with backward-curved blades
• Weight: 109 kg
• Dimension B: 996 mm
• Dimension B1: 750 mm
• Dimension H: 980 mm
• Dimension H1: 870 mm
• Dimension L: 925 mm
• Dimension L1: 900 mm
• Dimension L2: 850 mm
• Dimensions L3: 782 mm
• Dimensions L4: 437 mm

Specifications