J&D Manufacturing's Diamond Brite High-Performance Drum Fan Series delivers powerful, portable air movement for demanding industrial, agricultural, and commercial environments. Built with a patented Diamond Brite aluminum housing and black powder-coated OSHA-compliant guards, these fans combine a clean, professional finish with rugged durability. Available in five sizes from 20" to 48", each unit ships fully assembled and ready to use - with aluminum handles, a cord wrap, rubber feet, and a 10-foot 115V cord making them as easy to move as they are to deploy.
Features & Benefits
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Patented Diamond Brite Housing: Distinctive aluminum housing with a premium Diamond Brite finish provides exceptional durability and a clean, professional look that stands out on any job site or facility floor.
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Five Size Options: Available in 20", 30", 36", 42", and 48" to match a wide range of airflow demands - from spot cooling to whole-facility ventilation.
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Fully Assembled & Portable: Ships completely ready to use, with aluminum carrying handles, a cord wrap for tidy storage, and rubber feet for reduced noise and stable operation on any surface.
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OSHA-Compliant Black Powder-Coated Guards: Heavy-gauge galvanized guards with black powder coat finish meet safety standards while complementing the Diamond Brite housing aesthetic.
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Pre-Wired for 115V: Attached 10-foot cord with 3-prong plug - just plug in and go, no electrician required.
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2-Speed Motor (42" Model): The 42" model features a 2-speed motor for flexible airflow control to suit varying conditions.
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Compatible with Misting & Fogging Systems: Designed to pair directly with J&D's misting and fogging product line for evaporative cooling in hot environments.
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High-Volume Airflow: Delivers up to 23,500 CFM (48" model) for powerful air exchange in large spaces including warehouses, barns, manufacturing floors, and greenhouses.
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Broad Application Range: Ideal for dairy, poultry, swine, greenhouse, and industrial environments where portable, high-volume airflow is required.
Technical Specifications
| Part # |
Size |
HP |
Volts |
Amps |
Phase |
Speeds |
RPM |
Drive |
Prop |
Thrust CFM |
CFM/Watt |
| VI2012B1 |
20" |
1/2 |
115/230 |
4.8/2.4 |
1 |
1 |
1,725 |
Direct |
Aluminum |
4,760 |
16.0 |
| VI3012WB |
30" |
1/2 |
115/230 |
6.1/3.09 |
1 |
1 |
825 |
Direct |
Aluminum |
9,100 |
20.0 |
| VI3612WB |
36" |
1/2 |
115/230 |
6.1/3.09 |
1 |
1 |
825 |
Direct |
Galvanized |
11,800 |
22.0 |
| VI4234WB2 |
42" |
3/4 |
115 |
8.9/6.1 |
1 |
2 |
542 |
Belt |
Galvanized |
14,440 |
17.3 |
| VI481WB |
48" |
1 |
115/208-230 |
9.0/4.5 |
1 |
1 |
525 |
Belt |
Galvanized |
23,500 |
25.0 |