Varofoil-Pitch-In-Motion
Axial

• Casing painted or galvanized for long service life
• Maintains minimum pressure with varying volumes
• Negligible maintenance required - motor lubricators extended outside of fan casing
• Cast impeller and hub components 100% X-rayed to ensure casting integrity
• Controllable pitch angle when running at full speed
• Punched flanges on both inlet and outlet
• Option mini-compressor assembly
• Galvanized inlet bell with screen
• Aerodynamic motor mountings

• (14) sizes: 25" to 110" diameters impellers
• Pressures up to 13" SPwg, volumes to 350,000 CFM
• Blade bearings with a patented grease retaining feature
• Non-overloading power characteristic
• Full sound power spectra for all fans at actual performance ratings
• Direct drive and belt drive available
• Used for smoke control; 500 deg. F for (2) hours
• Optimum control of both volume and/or pressure