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The Series 31 Belt Drive Duct Fan Ventilator is manufactured by Hartzell Air Movement and is completely assembled and ready to install upon arrival. The panel fan propeller is an airfoil design, cast of 319 aluminum alloy in compliance with Federal Specification QQ-A-601E and ASTM B26 and are retained on the motor shaft utilizing a split taper bushing.
The motor is mounted on a continuously welded base and is adjustable to allow belt tensioning by changing the standard open end drip proof motor position.
The fan shafts are made of ground and polished carbon steel. The heavy duty, self-aligning bearings are built for continuous service, having a minimum L-10 life of 50,000 hours. The "V" type, variable pitch drive sheaves are heat, oil and static resistant, and are oversized to also allow continuous service.
The fan housing is a minimum 12 gauge rolled carbon steel, continuously welded in compliance with AWS D1.1 standards, and with an industrial grade air dried enamel paint finish.
The fan assembly is dynamically balanced at the Hartzell factory prior to shipping and the fans are balanced in accordance with AMCA Standard 204, fan application category BV-3 (comparable to Grade G6.3). Fans are manufactured in accordance with Hartzell's standard quality assurance procedures. Fan performance is based on tests conducted in Hartzell's AMCA accredited laboratory in accordance with the latest revision of AMCA Standard 210 for air performance and AMCA Standard 300 for sound performance. Fans are licensed to bear the AMCA Certified Air Performance Rating Seal.
Additional Information
| SKU | 31-30-3 |
|---|---|
| Manufacturer | Hartzell |
| Drive Type | Belt |
| Maximum CFM | 12297 |
| Propeller Diameter | 30 inches |
| Motor RPM | 1750 |
| Horsepower | 3 |
| Horsepower | 3 HP |
| Height | 34.5" |
| Width | 60.5" |
| Depth | 34" |
| Weight (in lbs) | 383.0000 |
| Resources | Click Here for the Hartzell Series 31 Spec Sheet
 |
| Safety Information | PROPOSITION 65 WARNING |
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