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Direct-Drive Hazardous Location Duct Fans
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These fans have an explosion-proof motor that is UL listed for Class I, Divisions 1 and 2, Group D; and Class II, Divisions 1 and 2, Groups F and G hazardous environments. All are direct-drive fans that have fewer moving parts than belt-drive fans for less maintenance. Also known as axial duct fans, they install inline in ductwork for use as an exhaust, supply, or booster fan. The fans have a TEFC (totally enclosed fan cooled) motor enclosure, which can be used in dirty, dusty, and damp environments.
Note: Airflow depends on the resistance created by ductwork. This resistance, known as static pressure (SP), is measured in inches of water.
Overall | Mounting | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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For Duct Dia. | No. of Speeds | Airflow @ SP | Volume (Sound) @ Distance | Motor Speed, rpm | Power, hp | Dia. | Ht. | Dp. | Max. Temp., ° F | Housing Material | Blade Material | Certification | Fasteners Included | Hole Dia. | Each | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
120V AC, 230V AC, Single Phase—Hardwire | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
IP44 Enclosure Rating | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| 18" | 1 | 3,900 ft³/min @ 3/8 in. H₂O 4,500 ft³/min @ 1/8 in. H₂O | 65 dBA @ 15 ft. | 1,750 | 3/4 | 20 1/16" | 20 1/16" | 20" | 100 | Steel | Aluminum | UL Listed, UL Recognized Component, CSA Certified | No | 7/16" | 1927K34 | 000000000 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
230V AC, 460V AC, Three Phase—Hardwire | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
IP44 Enclosure Rating | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| 18" | 1 | 3,900 ft³/min @ 3/8 in. H₂O 4,500 ft³/min @ 1/8 in. H₂O | 60 dBA @ 15 ft. | 1,750 | 3/4 | 20 1/16" | 20 1/16" | 20" | 100 | Steel | Aluminum | UL Listed, UL Recognized Component, CSA Certified | No | 7/16" | 1927K66 | 00000000 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
High-Output Direct-Drive Duct Fans
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Produce three times the airflow as standard direct-drive duct fans. All of these direct-drive fans have fewer moving parts than belt-drive fans for less maintenance. Also known as axial duct fans, they install inline in ductwork for use as an exhaust, supply, or booster fan. All have a TEFC (totally enclosed fan cooled) motor enclosure, which can be used in dirty, dusty, and damp environments.
Note: Airflow depends on the resistance created by ductwork. This resistance, known as static pressure (SP), is measured in inches of water.
Overall | Mounting | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
For Duct Dia. | No. of Speeds | Airflow @ SP | Volume (Sound) @ Distance | Motor Speed, rpm | Power, hp | Dia. | Ht. | Dp. | Bolt Circle Dia. | Max. Temp., ° F | Housing Material | Blade Material | Fasteners Included | For Screw Size | Hole Dia. | No. of Holes | Each | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
120V AC, 230V AC, Single Phase—Hardwire | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| 18" | 1 | 3,900 ft³/min @ 3/8 in. H₂O 4,500 ft³/min @ 1/8 in. H₂O | 65 dBA @ 15 ft. | 1,750 | 3/4 | 20 1/16" | 20 1/16" | 20" | 19 1/8" | 100 | Steel | Aluminum | No | 3/8" | 7/16" | 8 | 1927K14 | 000000000 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
230V AC, 460V AC, Three Phase—Hardwire | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| 18" | 1 | 3,900 ft³/min @ 3/8 in. H₂O 4,500 ft³/min @ 1/8 in. H₂O | 60 dBA @ 15 ft. | 1,750 | 3/4 | 20 1/16" | 20 1/16" | 20" | 19 1/8" | 100 | Steel | Aluminum | No | 3/8" | 7/16" | 8 | 1927K56 | 00000000 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
