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Downdraft Tables

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Downdraft tables are designed to function indoors without requiring external ventilation, acting dually as both workstations and dust collecting systems. Read More…

Downdraft Tables Downdraft tables are self-contained, portable dust collection systems that suck harmful particulates from the workspace and return filtered, breathable air to the facility.
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Leading Manufacturers

Cary, NC  |  800-267-5585

With 20+ years in the industry, it is no wonder Quality Air Management manufactures and supplies the newest, most revolutionary technology available.

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Quality Air Management $$$

Alsip, IL  |  708-597-7090

Scientific Dust Collectors (SDC) began in 1981 when our first patent for improving filter cleaning was issued. Since then, SDC has been issued a number of additional related patents for improvements in dust collector cleaning technologies including our patented nozzle-based cleaning system which is superior to other collectors. Combined with our High Side Inlets, Wide Filter Spacing, and Inlet Baffling, we are able to guarantee performance, efficiency, and filter life. If you want the best, please consider SDC.

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Scientific Dust Collectors $$$

Raleigh, NC  |  800-635-0298

At Controlled Air Design, we supply industrial vacuuming and dust collection to aerospace, defense, pharmaceutical, agriculture, manufacturing, and countless others. Our custom designed and built systems are common, and our engineering team can help find the dust collection system that’s right for your application.

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Controlled Air Design $$$

Sterling Heights, MI  |  877-299-7223

Ever since our inception in 1989, Robovent has been a leader in the manufacturing and design of ventilation and filtration systems. We have experience coming up with solutions to protect our customers from a wide range of dust, including aluminum dust, cast iron grinding dust, fertilizer dust, and more. Industries we serve include automotive, military, construction, medical, and aerospace. For a complete list of our services and capabilities, visit our website or call Robovent today!

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RoboVent $$$

Cincinnati, OH  |  513-889-5069

ATMOS360 designs and manufactures packaging equipment from single output systems to turnkey systems. SLP 500 and 1000 models have stainless steel wash down, compact footprint and other features. Model DJ 3300 is a dual-lane high output system with a touch-screen operator panel and other features.

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ATMOS360, Inc. $$$

Minneapolis, MN  |  888-338-3881

Donaldson is a designer and manufacturer of quality industrial dust collector products. Our product offerings include dust collectors, bag houses, oil mist collectors, cyclones and other dust collecting systems.

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Donaldson Company, Inc. $$$

Hartland, WI  |  800-854-0030

Our dust collecting systems are designed to eliminate respirable airborne contaminants from the work environment. We believe that eliminating airborne contamination in the workspace can lead to better employee performance.

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Midwest Finishing Systems, Inc. $$$
placeholder image Quality Air Management Scientific Dust Collectors Controlled Air Design RoboVent ATMOS360, Inc. Donaldson Company, Inc. Midwest Finishing Systems, Inc.

Downdraft tables are an efficient and economical way to protect workers from hazardous dust, smoke and fumes resulting from applications such as chemical preparation, woodworking, welding, processing explosive materials, sanding, buffing, polishing, grinding and finishing.

By providing a cleaner, healthier work environment and thereby facilitating improved productivity for fine hand work, downdraft tables offer advantages for both companies and workers.

Downdraft tables are ideal for industries such as metalworking, woodworking, pharmaceutical, automotive, coal handling, agricultural products and recycling.

One of the advantages of downdraft tables over other systems is that they can be customized in numerous ways to fit a particular application, without having to retrofit an integrated dust collection system.

Down draft tables are designed to contain and exhaust heavier than air particles, lighter than air particles, fumes, fine particulates and powders.

The top of downdraft tables is a perforated rigid grill through which airflow is both possible and uniform. Once air is pulled down through the perforated top it enters an exhaust chamber mounted directly underneath the top. The exhaust chamber contains filters that can capture particles as small as .5 microns.

Some tables are equipped with pulse-jet air blasters directed at the filter that periodically clear off the filter to improve its operation. In addition, the exhaust chamber has multiple branch ducts attached underneath with balance dampeners attached to decrease the noise level.

Everything underneath the exhaust chamber is enclosed into a duct that can connect to a facility’s duct collection system or can have an output area on the side or back of the chamber for the filtered air.

There are two main types of downdraft tables: wet downdraft tables and dry downdraft tables.

Wet downdraft tables employ a standard filter element and a liquid, typically water, in order to collect flammable metal dusts like magnesium, aluminum or titanium. Wet dust collectors in downdraft tables feature a number of additional devices including impellers for water reversal, sludge containers for captured metal particles, water level controls, after-filtration devices and mist eliminators.

Dry downdraft tables are simpler, employing a standard filter element to collect vapors, dust, smoke or fumes. Besides wet versus dry, downdraft tables also vary by size, downdraft airflow, minimum particle size filtered and efficiency.

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