Schwank MonsterFans DD Series — Direct-Drive HVLS Industrial Fan

The Schwank MonsterFans DD Series is the premium direct-drive HVLS (High Volume, Low Speed) fan for commercial and industrial spaces. Powered by a gearless direct-drive permanent magnet motor, the DD Series delivers exceptional energy efficiency at 264 CFM/Watt — moving massive volumes of air at slow, non-disruptive speeds for superior comfort across your entire facility.

The DD Series features a built-in 20,000 lumens dimmable LED light, eliminating the need for separate high-bay lighting in many applications. With no gearbox to maintain, the direct-drive motor offers simplified maintenance and maximum reliability.

Key Features:
• Diameter options from 8 FT to 24 FT (2.4m – 7.3m)
• Gearless direct-drive permanent magnet motor — no gearbox maintenance
• 264 CFM/Watt energy efficiency
• 53-105 RPM variable speed
• Built-in 20,000 lumens dimmable LED light
• 5 anodized aluminum airfoil blades — 10¼" wide with 23° angle of attack
• Unbreakable cast aluminum alloy hub (713 cast aluminum)
• 230/460V operation
• Versatile mounting: bar joists, I-beams, purlins, and wood frames
• UL and CSA certified

Warranty:
• Lifetime warranty on blades and hub
• 3-year warranty on motor, gearbox, and control panel

Applications: Warehouses, manufacturing facilities, distribution centers, vehicle maintenance bays, airplane hangars, rock climbing gyms, and large industrial spaces.

Note: VFD controller and mounting kit sold separately. Compatible with MonsterFans Smart Controller, Touch Controller, and BMS integration options.