KDK 4009UA 900 mm (3 ft) Air Curtain
Maintain a clean, comfortable indoor space with the KDK 4009UA. Its sirocco-fan design creates a strong 4 m-high air barrier, blocking dust, insects, and conditioned air from escaping—ideal for retail, F&B outlets, and commercial entrances.
Key Features
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Unique sirocco fan design – generates a powerful and wide air “door”
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Dual-speed control – high and low airflow to suit different entry volumes
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Adjustable deflection vents – customize airflow direction for maximum coverage
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Sleek ABS housing – modern finish with easy wall or ceiling installation
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Quick-access inspection panel – maintenance-friendly design
Product Specifications
Length |
900 mm (3 ft) |
Effective Barrier Height |
≈ 4 m (14 ft) |
Air Volume (High / Low) |
1,360 m³/h (800 CFM) / 1,200 m³/h (706 CFM) |
Power Consumption |
122 W / 100 W |
Current |
0.51 A / 0.43 A |
Outlet Velocity |
12.5 m/s / 10.5 m/s |
Noise Level |
56.5 dB(A) / 53.5 dB(A) |
Weight |
≈ 12.5 kg |
Voltage / Frequency |
220–240 V / 50 Hz |
Warranty & Service (Singapore)
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1‑year local warranty covering manufacturing or motor defects
- Includes parts and labour at authorized service centers
- Warranty valid from purchase date—retain proof of purchase
Why Choose the 4009UA?
The 4009UA offers industrial-level performance in a compact 900 mm unit. With its strong airflow capacity and easy maintenance design, it's an excellent choice for businesses wanting to improve hygiene, reduce dust ingress, and save on air-conditioning energy in Singapore.
