power roof ventilator/roof turbine ventilator/whirligig roof ventilation

Specifications 1. Industrial Exhaust Fans With Basement (Roof Exhaust Fans)

2. Extra heavy shutter clips

3.No motor adjustments needed

Industrial roof ventilation fan/roof exhaust fan/hooded roof ventilator   Features
• Over 55,000 CFM
• Single or 3 phase
• 6 bladed glassfiber • 3 HP UL American made motor
• No motor adjustments needed
• X-frame for strength and durability
• Available with or without cone
• Extra heavy shutter clips
• Aluminum or poly shutters
• Double A auto belt tensioner for longer life
• Twin Gates® size “A” belts
• Belts are easily accessible and require no tools or disassembly of fan for replacement in seconds
• 1½” shaft and greasable pillow block bearings
• Heavy duty guard is hot dip galvanized after welding                   Specifications:    

Model No.	OFS-146SL-R	OFS-106SL-R	OFS-146SS-R	OFS-146SQ-R	OFS-106SQ-R
Impeller Range	1220mm	900mm	1220mm	1220mm	900mm
Impeller Material	6 SMC Fiberglass Blades	6 SMC Fiberglass Blades	3-wing FRP blades	7-wing Nylon blades	7-wing Nylon blades
Rotating Speed	460rpm	460rpm	560rpm	460rpm	560/720rpm
Air Flow	45000m3/h	20000m3/h	50000M3/H	44500M3/H	20000M3/H
Noise Level	≥65db	≥62db	≥68db	≥65db	≥62db
Power	0.75kw	0.55kw	0.75kw	0.75kw	0.55kw
Voltage	380V	380V	380V	380V	380V
Prod. Size	146*146*58cm	106*106*55cm	146*146*58cm	146*146*58cm	106*106*55cm