Schwank MonsterFans GD Series — Geared-Drive HVLS Industrial Fan

The Schwank MonsterFans GD Series is the proven geared-drive HVLS (High Volume, Low Speed) fan for commercial and industrial environments. Built with a Helical Inline Reducer motor, the GD Series provides whisper-quiet operation at just 62-63 dBA while delivering a cool 6 MPH breeze across areas up to 30,000 sq ft.

The geared motor provides built-in protection against dust, water, and vapors, making the GD Series suitable for both indoor and outdoor industrial applications. With 10¼" wide airfoil blades featuring a unique 23° angle of attack, this fan moves more air more efficiently than competitors.

Key Features:
• Diameter options from 8 FT to 24 FT (2.4m – 7.3m)
• Helical Inline Reducer motor — whisper-quiet at 62-63 dBA
• 53-105 RPM variable speed
• 5 airfoil modulating trailing edge blades (6063 extruded anodized aluminum)
• Unbreakable cast aluminum alloy hub (713 cast aluminum)
• 10¼" wide blades with unique 23° angle of attack
• Motor protection against dust, water, and vapors
• Available in 230/460V and 575V configurations
• Minimal maintenance — recommended inspection every 20,000 hours
• 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, agricultural buildings, and large industrial spaces.

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