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Dayton Tubeaxial Fan: Flammable Vapor, 21 in Blade, 4,042 cfm @ 0.000 in SP, 115/208-230V AC - Flammable Vapor Belt-Drive Fans with Drive
DaytonFlammable Vapor Belt-Drive Fans with Drive

Dayton Tubeaxial Fan: Flammable Vapor, 21 in Blade, 4,042 cfm @ 0.000 in SP, 115/208-230V AC

The DAYTON Tubeaxial Fan: Flammable Vapor (SKU 7AH39) is a flammable vapor belt-drive fan with drive, featuring a 21-inch blade and delivering 4,042 cfm at 0.000 in SP. It operates on 115/208-230V AC with a 1/2 hp…

SKU 3G-OTH-77709

Brand
Dayton
Item
Tubeaxial Fan: Flammable Vapor, 21 in Blade, 4,042 cfm @ 0.000 in SP, 115/208-230V AC
Category
Flammable Vapor Belt-Drive Fans with Drive
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Technical Specifications

Dayton
Manufacturer Part Number
7AH39
Type
4,042 cfm @ 0.000 in SP, 1/2 hp
AC
115/208-230V
Blade
21 in
Assembly
Unassembled
Motor Type
Capacitor-Start
Motor Enclosure
Totally Enclosed Fan Cooled
Number of Speeds
1
Nameplate Voltage
115/208-230V AC
Mounting Orientation
Horizontal
Includes Drive Package
Yes
Airflow @ 0.000 in SP - Range
0 to 9,999 cfm
Hazardous Location Specification
Class I Group C
Spark Resistant Construction Type
B
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Dayton Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The DAYTON Tubeaxial Fan: Flammable Vapor (SKU 7AH39) is a flammable vapor belt-drive fan with drive, featuring a 21-inch blade and delivering 4,042 cfm at 0.000 in SP. It operates on 115/208-230V AC with a 1/2 hp capacitor-start motor in a totally enclosed fan-cooled enclosure, and is unassembled with a horizontal mounting orientation. This unit includes a drive package and is rated for hazardous locations per Class I Group C and D, with Spark Resistant Construction Type B.

Used in

Common applications for Dayton
HVAC ventilation — DAYTON centrifugal upblast roof exhaust fans (SKU 7M7U3) for kitchen exhaust systems
Mechanical power transmission — DAYTON HTD timing pulleys (SKU 404GV0) for conveyor belt drives
Process water handling — DAYTON self-priming centrifugal pumps (SKU 2ZXT4) for dewatering or transfer
Roofing and building services — DAYTON fixed ventilated roof curbs (SKU 4HX59) for filtered supply fan installations
Material handling — DAYTON latch assemblies (SKU 2KEN4) for electric chain hoist hook safety
Industrial air movement — DAYTON downblast roof exhaust fans (SKU 3HFL9) for clean air exhaust in manufacturing plants

Dayton Products

3G Electric supplies Dayton flammable vapor belt-drive fans with drive. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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DAYTON Tubeaxial Fan: Flammable Vapor, 21 in Blade, 4,733 cfm @ 0.000 in SP, 115/208-230V AC, 3/4 hp (MPN 7AH40). Key specifications — Brand: DAYTON; Includes Drive Package: Yes; Spark Resistant Construction Type: B; Assembly: Unassembled; Nameplate Voltage: 115/208-230V AC; Mounting Orientation: Horizontal; Hazardous Location Specification: Class I Group C; Class I Group D.
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DAYTON Tubeaxial Fan: Flammable Vapor, 21 in Blade, 4,733 cfm @ 0.000 in SP, 115/208-230V AC, 3/4 hp (MPN 7AH40). Key specifications — Brand: DAYTON; Includes Drive Package: Yes; Spark Resistant Construction Type: B; Assembly: Unassembled; Nameplate Voltage: 115/208-230V AC; Mounting Orientation: Horizontal; Hazardous Location Specification: Class I Group C; Class I Group D.
DAYTON Tubeaxial Fan: Flammable Vapor, 21 in Blade, 6,564 cfm @ 0.000 in SP, 208-230V AC, 1 Phase (MPN 7AH42). Key specifications — Brand: DAYTON; Includes Drive Package: Yes; Spark Resistant Construction Type: B; Assembly: Unassembled; Nameplate Voltage: 208-230V AC; Mounting Orientation: Vertical; Hazardous Location Specification: Class I Group C; Class I Group D.
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DAYTON Tubeaxial Fan: Flammable Vapor, 21 in Blade, 6,564 cfm @ 0.000 in SP, 208-230V AC, 1 Phase (MPN 7AH42). Key specifications — Brand: DAYTON; Includes Drive Package: Yes; Spark Resistant Construction Type: B; Assembly: Unassembled; Nameplate Voltage: 208-230V AC; Mounting Orientation: Vertical; Hazardous Location Specification: Class I Group C; Class I Group D.
DAYTON Tubeaxial Fan: Flammable Vapor, 18 in Blade, 3,230 cfm @ 0.000 in SP, 115/230V AC, 1 Phase (MPN 7F946). Key specifications — Brand: DAYTON; Includes Drive Package: Yes; Spark Resistant Construction Type: B; Assembly: Unassembled; Nameplate Voltage: 115/230V AC; Mounting Orientation: Vertical; Hazardous Location Specification: Class I Group C; Class I Group D.
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DAYTON Tubeaxial Fan: Flammable Vapor, 18 in Blade, 3,230 cfm @ 0.000 in SP, 115/230V AC, 1 Phase (MPN 7F946). Key specifications — Brand: DAYTON; Includes Drive Package: Yes; Spark Resistant Construction Type: B; Assembly: Unassembled; Nameplate Voltage: 115/230V AC; Mounting Orientation: Vertical; Hazardous Location Specification: Class I Group C; Class I Group D.
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DAYTON Tubeaxial Fan: Flammable Vapor, 36 in Blade, 12,520 cfm @ 0.000 in SP, 115/208-230V AC, 1 hp (MPN 7AF98). Key specifications — Brand: DAYTON; Includes Drive Package: Yes; Spark Resistant Construction Type: B; Assembly: Unassembled; Nameplate Voltage: 115/208-230V AC; Mounting Orientation: Vertical; Hazardous Location Specification: Class I Group C; Class I Group D.

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Centrifugal Upblast Roof Exhaust Fan: Belt Drive, Includes Drive Pack, 16 1/2 in Wheel, 3,191 cfm (MPN 7HY57). Key specifications — Brand: DAYTON; Base Shape: Square; Assembly: Unassembled; Motor Enclosure: Totally Enclosed Fan Cooled; Nameplate Voltage: 115/208-230V AC; Mounting Location: Roof; For High-Static Pressure Applications: No; Hazardous Location Specification: Class I Group C, Class I Group D, Class II Group E, Class II Group F, Class II Group G.
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Centrifugal Downblast Roof Exhaust Fan: Belt Drive, Includes Drive Pack, 30 1/2 in Wheel, 10,772 cfm (MPN 7AF30). Key specifications — Assembly: Unassembled; Base Shape: Square; Brand: DAYTON; High-Efficiency Motor: No; For High-Static Pressure Applications: No; Hazardous Location Specification: Class I Group C, Class I Group D, Class II Group E, Class II Group F, Class II Group G; Motor Enclosure: Totally Enclosed Fan Cooled; Mounting Location: Roof.
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Centrifugal Downblast Roof Exhaust Fan: Belt Drive, Includes Drive Pack, 30 1/2 in Wheel, 10,772 cfm (MPN 7AF30). Key specifications — Assembly: Unassembled; Base Shape: Square; Brand: DAYTON; High-Efficiency Motor: No; For High-Static Pressure Applications: No; Hazardous Location Specification: Class I Group C, Class I Group D, Class II Group E, Class II Group F, Class II Group G; Motor Enclosure: Totally Enclosed Fan Cooled; Mounting Location: Roof.
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Centrifugal Upblast Roof Exhaust Fan: Belt Drive, Includes Drive Pack, 14 3/4 in Wheel, 2,192 cfm (MPN 7HY49). Key specifications — Brand: DAYTON; Base Shape: Square; Assembly: Unassembled; Motor Enclosure: Totally Enclosed Nonventilated; Nameplate Voltage: 230/460V AC; Mounting Location: Roof; For High-Static Pressure Applications: No; Hazardous Location Specification: Class I Group C, Class I Group D, Class II Group F, Class II Group G.