AMERICRAFT FAN

Clean air belt-drive models use a belt and pulley system to connect the motor to the fan shaft, which allows the motor to be mounted outside the airstream and permits speed changes through pulley substitution. Flammable vapor direct-drive models couple the motor directly to the fan shaft, removing belts and sheaves from the drive path. Direct-drive configurations are typically selected for hazardous-vapor exhaust because they eliminate potential ignition sources associated with belt static and slippage. Both types are upblast roof exhaust fans, but the direct-drive EXP models are specifically intended for environments where flammable vapors may be present.

The line covers blade diameters from 18 inches to 48 inches. Airflow ratings range from 4,600 cfm on the smallest direct-drive flammable vapor model to 46,000 cfm on the largest. Motor horsepower ranges from 1 hp to 10 hp, all single-speed, TEFC, and rated for 230/460V AC three-phase power. For example, the 48-inch belt-drive clean air model delivers 33,160 cfm with a 5 hp motor, while the 48-inch flammable vapor direct-drive model delivers 46,000 cfm with a 10 hp motor. Selection depends on required airflow, static pressure, and the hazardous classification of the exhaust stream.

Yes. The flammable vapor direct-drive models are configured as upblast roof exhaust fans, meaning they are designed for roof mounting with upward discharge. The TEFC motors are totally enclosed fan-cooled, which provides protection against dust, moisture, and weather exposure. The upblast orientation helps direct exhaust away from the roof surface and reduces the likelihood of recirculation into building air intakes. Installation should follow the manufacturer's requirements for curb mounting, flashing, and clearances, and should comply with applicable local codes for hazardous-vapor exhaust systems.

The EXP designation in Americraft Fan model numbers indicates that the fan is configured for flammable vapor service. For example, model AM-24-1-3-EXP is a 24-inch direct-drive fan with a 1 hp TEFC motor. These models use direct-drive construction to eliminate belts and sheaves, and they are intended for roof exhaust applications where flammable vapors may be present. The EXP designation is a model-naming convention, not a certification. Buyers should confirm that the selected fan meets the specific hazardous-location classification and wiring requirements of their installation.

3G Electric ships Americraft Fan products globally. The catalog includes multiple SKUs across the clean air belt-drive and flammable vapor direct-drive families, covering blade sizes from 18 to 48 inches and motor ratings from 1 to 10 hp. For international orders, 3G Electric coordinates logistics and provides product data to support specification and procurement. Voltage and phase requirements should be confirmed at the time of order, as standard models are rated for 230/460V AC three-phase power. Buyers outside North America should verify compatibility with local power systems and any required motor modifications.

Selection requires the required airflow in cfm, the system static pressure, the ambient and exhaust air temperatures, and the hazardous classification of the exhaust stream. For clean air applications, belt-drive models allow speed adjustment to match actual system resistance. For flammable vapor applications, direct-drive EXP models should be specified. Motor voltage and phase must match the available power supply; standard models are 230/460V AC three-phase. Blade diameter and motor horsepower are then selected from the performance tables to meet the required airflow at the operating static pressure. 3G Electric can provide model-specific data to assist with selection.