Specifications
| MODEL | BLADE DIAMETER | MOTOR | HP | RPM | INPUT POWER (W) | VOLTAGE/ PHASE/HZ | FULL LOAD AMPERAGE (115) | CFM | EFFICACY (CFM / W ) | WEIGHT (LBS) | FAN DIMENSIONS |
| U16-1HD | 16" | Totally enclosed | 1/2 | 1725 | 462.2 | 115/230/1/60 | 8.8 | 2232 | 4.8 | 64 | 19 1/8" H X 19 1/8" W X 17" L |
| U16-4HD | Explosion proof | 1/2 | 1725 | 462.2 | 115/230/1/60 | 8.0 | 2232 | 4.8 | 83 | ||
| U18-1HD | 18" | Totally enclosed | 3/4 | 1725 | 562.8 | 115/230/1/60 | 11 | 2836 | 5 | 78 | 21 3/8" H X 21 3/8" W X 17" L |
| U18-4HD | Explosion proof | 3/4 | 1725 | 562.8 | 115/230/1/60 | 10.8 | 2836 | 5 | 96 | ||
| U20-1HD | 20" | Totally enclosed | 1 | 1725 | 885 | 115/230/1/60 | 13.4 | 3650 | 4.1 | 98 | 24 3/8" H X 24 5/14" W X 17" L |
| U20-4HD | Explosion proof | 1 | 1725 | 885 | 115/230/1/60 | 13.4 | 3650 | 4.1 | 118 | ||
| U24-1HD | 24" | Totally enclosed | 1 1/2 | 1725 | 1060.8 | 115/230/1/60 | 15.2 | 4822 | 4.5 | 112 | 26 1/8" H X 26 1/8" W X 17" L |
| U24-4HD | Explosion proof | 1 1/2 | 1725 | 1060.8 | 115/230/1/60 | 19 | 4822 | 4.5 | 134 | ||
| Fan testing and performance was determined in accordance with ANSI/AMCA Standard 230-15, Figure 2B1 setup Speed (rpm) shown is nominal. Performance is based on actual speed of test Performance ratings apply at free delivery only Performance ratings DO NOT include the effect of appurtenances | |||||||||||
| All -4HD utility fans have a single speed, dual voltage explosion proof motor that meets and conforms to all the standards that are listed below. | |||||||||||
| CLASS I, GROUP D Atmospheres such as acetone, ammonia, benzene, butane, cyclopropane, ethanol, gasoline, hexane, methane, natural gas, naphtha, propane, or gasses or vapors of equivalent hazard. | |||||||||||
| CLASS II GROUP F Atmospheres containing carbonaceous dust, including carbon black, charcoal, coal, or coke dusts that have more than 8% total entrapped volatiles, or dusts that have been sensitized by other materials so that they present an explosion hazard. | |||||||||||
| CLASS II GROUP G Atmospheres containing combustible dusts not included in group E or F, including flour, grain, wood, plastic and chemicals. | |||||||||||