The RAMFAN UB20 8-inch (20-cm) blower/exhauster delivers the highest CFM in its class. The double wall polyethylene casing and polypropylene blade are designed to operate under heavy workloads and the most demanding conditions. The 1/3 hp, 115 VAC motor is ultra-quiet, only 74 dB. The 25-foot (7.6-m) duct is protected by the Quick-Couple™ Canister that attaches to either end of the RAMFAN, allowing the unit to quickly convert from discharge to suction. The 60 Hz domestic model is CSA rated for outdoor use. The 230 VAC, 50 Hz international model has CE approvals. Be sure to ask about our complete line of RAMFAN products available.
Designed to meet the challenges of hazardous atmospheres, the RAMFAN UB20xx 8-inch (20-cm) blower/exhauster comes with a 1/3-hp, 115 VAC motor, a Totally Enclosed Hazardous Location Motor rated TEAO X-Proof, with the enclosures rated XPAO. The glass-reinforced, carbon-filled housing is antistatic. The 25-foot (7.6-m) duct and its Quick-Couple™ Canister, which connects to either end of the fan, are both anti-static. Stock fans are available with a standard three-prong plug or a Killark 125 VAC 60 Hz Explosion Proof plug, which can be plugged into a 115 VAC outlet (U.S. only). Other types of plugs are available by special order.
The RAMFAN Intrinsically Safe Blower/Exhauster may be used in environments containing hazardous gases or vapors and/or dust. However, it is the user’s responsibility to know the classification of the location or environment and to determine whether or not the fan is safe to use under the actual circumstances.
A complete system for ventilating manholes and vertical confined spaces while allowing easy entry and exit, the RAMFAN UB 20 has a saddle vent, which allows unobstructed airflow down through the vertical opening. The 15-foot (4.6-m) duct can be attached above or below ground to meet the site’s ventilation needs. The system includes: UB20 Blower/Exhauster, Saddle Vent and Mount, 90-Degree Elbow, Quick Couple Canister, 5 foot x 8 inch (152 x 20 cm) duct, and 15 foot x 8 inch (457 x 20 cm) duct. Be sure to ask about our complete line of RAMFAN products available.
