Vortex Inducing Centrifugal Fan

Application:
Specially designed for long-throw air distribution in large spaces:

• Convention centers

• Industrial plants

• Atriums

• Warehouses

Key Features:

1. Exceptional Throw Distance

   • Achieves 15-25m air projection

   • Maintains stable airflow pattern at low velocities

2. Adjustable Airflow Control

   • Manual version: External adjustment knob

   • Motorized version (optional): 0-10V/Modbus control

3. Robust Material Construction

   • Face panel: Cold-rolled galvanized steel (SGCC, 1.2mm)

   • Swirl generator: Deep-drawn aluminum alloy (3003-H14)

   • Finish: Pure white polyester powder coating (RAL 9010)

Technical Specifications:

• Airflow range: 200-3,500 CMH

• Noise level: ≤35 dB(A) @ 3m

• Working pressure: 50-300 Pa

• Temperature range: -30°C to +80°C

Installation Options:

• Ceiling-mounted (standard)

• Suspended (with optional mounting kit)

• Duct-connected (round/spiral duct adapters available)

Standards Compliance:

• AMCA 240 (Air performance)

• EN 12238 (Swirl diffuser testing)

• GB/T 14294-2008 (China HVAC standard)

Product Code Example:
DL-SD400M (Manual, Φ400mm)
DL-SD400E (Motorized, Φ400mm)

Optional Accessories:

• Integrated temperature sensor

• Airflow measuring ring

• Anti-condensation insulation

*All welds comply with AWS D1.1 standards. Fire rating: Class A (GB 8624-2012).*