Portable 2X4 Downdraft Table

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DD 2′ X 4′ Downdraft Table

Designed for industrial duty applications, the DD 2′ X 4′ Downdraft Table is portable, reliable and easy-to-use. Fumes, smoke and dust are captured right at the source so indoor air quality remains uncompromised. Whether you weld, grind, debur, cut, sand, finish, solder, paint or mix, the DD 2′ X 4′ Downdraft Table provides the perfect, flexible, all-in-one solution.

The table also comes fitted with multi-stage spark arrestance baffles, industrial swivel casters and a push-button, reverse-pulse filter cleaning system to reduce maintenance. Choose from a 1.5HP 1500CFM single phase [120V] motor, or 3.0HP 2600CFM three phase [230/460/575V] for higher capture face velocity. Single phase models include a 15’ power cord for plug and play convenience.

With many options and accessories available, the DD 2′ X 4′ Downdraft Table can be custom built to your specific needs.

Recommended Applications

Ideal for welding.
Ideal for grinding.
Ideal for deburring.
Ideal for soldering.
ideal for sanding
ideal for painting

Overview

Benefits

Simple to use, plug and play design
Ultra-small footprint & no permanent ducting
Capture-at-source for cleaner air
Compliant with OSHA guidelines for safe capture of dust, smoke and weld fumes

Features

Flexible 32” x 48” worksurface
High Capture face velocity (250 FPM)
On-demand, reverse pulse cleaning system
Multi-stage spark arrestance baffling
Industrial swivel-casters

Options

Lexan or hinged Side and Back Walls
Side stack Silencer
Backdraft Hood
Dust-proof Light Kit
Minihelic Gauge
Metal Mesh or Paint Arrestor Pre-filter
2” high Steel Bar Grating
..and more!

Models and Options

The DD 2′ X 4′ Downdraft Table standard base model comes equipped with a 120V, 1.5 HP motor and a Nanotech MERV 15 filter, but the following options are also available upon request:

STANDARD / 3.0 HP – 460V

Up to 2600 CFM

Standard Model
450 FPM
Motor: 3.0 HP / 460/3/60Hz
Filter Type: Nanotech
Product Number: DD-2X4-030N4

STANDARD / 3.0 HP – 575V

Up to 2600 CFM

Standard Model
450 FPM
Motor: 3.0 HP / 575/3/60Hz
Filter Type: Nanotech
Product Number: DD-2X4-030N5

WGD / 1.5 HP – 120V

Up to 1500 CFM

Welding, Grinding & Deburring Kit
340 FPM
Motor: 1.5 HP / 120/1/60Hz
Filter Type: Nanotech
Product Number: DD-2X4-015N1-WGD

WGD / 3.0 HP – 230V

Up to 2600 CFM

Welding, Grinding & Deburring Kit
450 FPM
Motor: 3.0 HP / 230/3/60Hz
Filter Type: Nanotech
Product Number: DD-2X4-030N2-WGD

WGD / 3.0 HP – 460V

Up to 2600 CFM

Welding, Grinding & Deburring Kit
450 FPM
Motor: 3.0 HP / 460/3/60Hz
Filter Type: Nanotech
Product Number: DD-2X4-030N4-WGD

WGD / 3.0 HP – 575V

Up to 2600 CFM

Welding, Grinding & Deburring Kit
450 FPM
Motor: 3.0 HP / 575/3/60Hz
Filter Type: Nanotech
Product Number: DD-2X4-030N5-WGD

SPR / 1.5 HP – 120V

Up to 1500 CFM

Spray Painting Kit
340 FPM
Motor: 1.5 HP / 120/1/60Hz
Filter Type: Polytech
Product Number: DD-2X4-015S1-SPR

SPR / 3.0 HP – 230V

Up to 2600 CFM

Spray Painting Kit
450 FPM
Motor: 3.0 HP / 230/3/60Hz
Filter Type: Polytech
Product Number: DD-2X4-030S2-SPR

SPR / 3.0 HP – 460V

Up to 2600 CFM

Spray Painting Kit
450 FPM
Motor: 3.0 HP / 460/3/60Hz
Filter Type: Polytech
Product Number: DD-2X4-030S4-SPR

SPR / 3.0 HP – 575V

Up to 2600 CFM

Spray Painting Kit
450 FPM
Motor: 3.0 HP / 575/3/60Hz
Filter Type: Polytech
Product Number: DD-2X4-030S5-SPR

PLA / 3.0 HP – 230V

Up to 2600 CFM

Plasma Cutting Kit
450 FPM
Motor: 3.0 HP / 230/3/60Hz
Filter Type: Nanotech
Product Number: DD-2X4-030N2-PLA

PLA / 3.0 HP – 460V

Up to 2600 CFM

Plasma Cutting Kit
450 FPM
Motor: 3.0 HP / 460/3/60Hz
Filter Type: Nanotech
Product Number: DD-2X4-030N4-PLA

PLA / 3.0 HP – 575V

Up to 2600 CFM

Plasma Cutting Kit
450 FPM
Motor: 3.0 HP / 575/3/60Hz
Filter Type: Nanotech
Product Number: DD-2X4-030N5-PLA

CAW / 3.0 HP – 230V

Up to 2600 CFM

Clean Air Workstation Kit
450 FPM
Motor: 3.0 HP / 230/3/60Hz
Filter Type: Nanotech
Product Number: DD-2X4-030N2-CAW

CAW / 3.0 HP – 460V

Up to 2600 CFM

Clean Air Workstation Kit
450 FPM
Motor: 3.0 HP / 460/3/60Hz
Filter Type: Nanotech
Product Number: DD-2X4-030N4-CAW

CAW / 3.0 HP – 575V

Up to 2600 CFM

Clean Air Workstation Kit
450 FPM
Motor: 3.0 HP / 575/3/60Hz
Filter Type: Nanotech
Product Number: DD-2X4-030N5-CAW

Technical Specifications

Model (Product Number)	Motor (H.P.)	Air Flow (CFM)	Volts/Phase/Hz	Amps	Net Weight¹	Width¹	Height¹	Length¹	Noise (dB)	Filter Type	Filter Area (sq. ft) Filter Efficiency
DD-2X4-015N1	1.5	1500	120/1/60Hz	14.2	136.08	49.5″	39″	32.5″	75dB@ 5 ft.	Nanotech	149 SQ.FT. / MERV 15
DD-2X4-030N2	3.0	2600	230/3/60Hz	9.6	136.08	60″	69.5″	32.5″	77dB@ 5 ft.	Nanotech	149 SQ.FT. / MERV 15
DD-2X4-030N4	3.0	2600	460/3/60Hz	4.8	136.08	60″	69.5″	32.5″	77dB@ 5 ft.	Nanotech	149 SQ.FT. / MERV 15
DD-2X4-030N5	3.0	2600	575/3/60Hz	3.9	136.08	60″	69.5″	32.5″	77dB@ 5 ft.	Nanotech	149 SQ.FT. / MERV 15
DD-2X4-015N1-WGD	1.5	1500	120/1/60Hz	14.2	140.61	49.5″	39″	32.5″	75dB@ 5 ft.	Nanotech	149 SQ.FT. / MERV 15
DD-2X4-030N2-WGD	3.0	2600	230/3/60Hz	9.6	154.22	60″	69.5″	32.5″	77dB@ 5 ft.	Nanotech	149 SQ.FT. / MERV 15
DD-2X4-030N4-WGD	3.0	2600	460/3/60Hz	4.8	154.22	60″	69.5″	32.5″	77dB@ 5 ft.	Nanotech	149 SQ.FT. / MERV 15
DD-2X4-030N5-WGD	3.0	2600	575/3/60Hz	3.9	154.22	60″	69.5″	32.5″	77dB@ 5 ft.	Nanotech	149 SQ.FT. / MERV 15
DD-2X4-015S1-SPR	1.5	1500	120/1/60Hz	14.2	145.15	60″	39	32.5″	75dB@ 5 ft.	Polytech	100 SQ.FT. / MERV 11
DD-2X4-030S2-SPR	3.0	2600	230/3/60Hz	9.6	158.76	60″	69.5″	32.5″	77dB@ 5 ft.	Polytech	100 SQ.FT. / MERV 11
DD-2X4-030S4-SPR	3.0	2600	460/3/60Hz	4.8	158.76	60″	69.5″	32.5″	77dB@ 5 ft.	Polytech	100 SQ.FT. / MERV 11
DD-2X4-030S5-SPR	3.0	2600	575/3/60Hz	3.9	158.76	60″	69.5″	32.5″	77dB@ 5 ft.	Polytech	100 SQ.FT. / MERV 11
DD-2X4-030N2-PLA	3.0	2600	230/3/60Hz	9.6	158.76	60″	69.5″	32.5″	77dB@ 5 ft.	Nanotech	149 SQ.FT. / MERV 15
DD-2X4-030N4-PLA	3.0	2600	460/3/60Hz	4.8	158.76	60″	69.5″	32.5″	77dB@ 5 ft.	Nanotech	149 SQ.FT. / MERV 15
DD-2X4-030N5-PLA	3.0	2600	575/3/60Hz	3.9	158.76	60″	69.5″	32.5″	77dB@ 5 ft.	Nanotech	149 SQ.FT. / MERV 15
DD-2X4-030N2-CAW	3.0	2600	230/3/60Hz	9.6	181.44	60″	87″	32.5″	77dB@ 5 ft.	Nanotech	149 SQ.FT. / MERV 15
DD-2X4-030N4-CAW	3.0	2600	460/3/60Hz	4.8	181.44	60″	87″	32.5″	77dB@ 5 ft.	Nanotech	149 SQ.FT. / MERV 15
DD-2X4-030N5-CAW	3.0	2600	575/3/60Hz	3.9	181.44	60″	87″	32.5″	77dB@ 5 ft.	Nanotech	149 SQ.FT. / MERV 15

1 – Product weight and dimensions are based on base-models and may vary depending on selected product features. Please contact us for an accurate shipping quote.

Learn how to get the most out of your DD 2′ X 4′ Downdraft Table and troubleshoot common problems.
See our help topics and support videos below, and download the DD 2′ X 4′ Downdraft Table product guide and owner’s manual.

How to..

+ Set up your DD 2' X 4' Downdraft Table for the first time

Before You Begin

Designate a location near the operator where the unit will be placed that is sufficiently close to a grounded power source.

Unpacking Unit

Inspect carton for any possible damage during transit.
Remove packing material.
Do not tip or invert while handling.
You’ll find the item serial number, model and electrical ratings located on the nameplate. Write down this information on the provided Maintenance Record found in your owner’s manual or your own designated preventative maintenance system.

Installation

The Electrical Connection for Units That Require a 3-phase (230/460/575V) Direct Connection:
1. For wiring instructions, please refer to APPENDIX 1: Electrical Diagram found in your owner’s manual.
2. A certified electrician is required to install the electrical connection according to local regulations.
3. All three power leads must be connected to L1, L2 and L3 on the contactor.
4. Ensure unit is grounded for safe operation.
5. If, after starting the unit, you find that the downdraft table fails to perform well or makes excessive noise, the motor is likely running in the reverse direction. Reverse lead L1 and L3 to correct motor rotation.
6. The correct direction of the blower wheel rotation is clockwise.
For Downdraft Tables That Require Compressed Air
1. Supply 80-90 PSI of clean, dry compressed air to the bulkhead located on the side of the unit.
2. The downdraft table’s air tank only allows for a maximum of 90 PSI. Do not supply air pressure greater than 90 PSI without a properly installed pressure regulator.
3. Inspect to see if there is moisture in airline as it can damage the filters. Use an air dryer if necessary.
Side and Back Walls Installation
1. Prepare Hardware
  1. Find the bolt holes located on the side and back of the cabinet.
  2. Loosely attach bolts, lock washers and washers, leaving sufficient space to fit wall between the cabinet and washers.
2. Attach Walls
  1. Put in place one back wall and one side wall. Make sure that the flange faces outwards between the cabinet and the washers.
  2. Rest the wall edge on the bolts, checking for alignment of bolt holes.
3. Fasten Hardware
  1. Fasten bolt, lock washer, washer and net on the vertical edge- attaching one side wall to one back wall.
  2. Repeat the process to secure all walls.
  3. Confirm all hardware is tight, securing side and back walls to the cabinet.

+ Perform Function Test Prior To Use

Before you use your unit, you’ll want to perform a function test to verify it’s in working order. Do the following:

Turn the power switch to On.
Look to confirm that the unit is level and stable. You’ll also want to verify that nothing is obstructing the extraction path.
Listen closely to the motor and suction sound of unit. Are they within the expected noise limits? Is it louder or softer than expected?
By placing your hand on top of the unit, feel for any unexpected vibration. Place your hand in front of the intake surface to confirm the expected levels of suction.

+ Replace your Filters

Your Downdraft Table comes equipped with a reverse pulse cleaning system that extends the life expectancy of your filter. The usable filter life will vary according to the application used, the particle size, density, humidity and oil. Generally, however, you can expect to change your filters every 6-18 months, if unit is pulsed on a regular basis.

Visual inspection of the filter is required as part of routine maintenance. Replace the filter if you find:

Accumulation or overloading of particles
Rips, tears or warping of material
You find that the table is not working properly due to excessive static build-up

If any of the above conditions apply, follow the below 8-step procedure to replace your filter:

Open cabinet door.
Unhook the barrel bolt latch that keeps your filter in place.
Slide used filter cartridge(s) out.
Inspect the cabinet interior for debris.
Open dust drawer and remove any material before replacing back into position.
Insert clean replacement filter(s).
Hook barrel bolt latch to keep filter(s) in place.
Close cabinet door.

Troubleshooting

+ My Downdraft Table Does Not Turn On

Confirm that the correct voltage and 3 phase power is properly supplied into the panel.
Check fuses to see if they are functional.
If your Downdraft Table does not turn on, it is possible that the unit is in reverse phasing. An electrician is required to reposition phase lines.
Confirm the correct rotation using the indication arrow located on the motor. If the unit fails to turn on, the unit’s motor could be in reverse rotation and spinning incorrectly. An electrician is required to address the problem.

+ My Downdraft Table Does Not Pulse Air

Confirm correct voltage. Make sure that the transformer (Primary and Secondary) has been plugged into the correct voltage.
Confirm that the unit is being supplied adequate compressed air (90 max psi).
If the problem continues, contact Diversitech support for assistance.

+ The Light Kit Does Not Work

Confirm 120v for the secondary transformer. Make sure that the transformer (Primary and Secondary) has been plugged into 120v power outlet.
Inspect the on\off switch to ensure connection.
If the problem continues, contact Diversitech support for assistance.

Guides

Air Canada

Montreal, Quebec

Air Canada, Canada’s national carrier based in Montreal, asked Diversitech to find a solution to their dust problem in the landing gear maintenance area.

Boeing

Wichita, Kansas

Diversitech installed four 2’x4′ downdraft tables with extended front overhangs (EO) so that operators could be comfortably seated at the table. Two 3’x 6′ and two 3’x 8′ tables were also installed.

Bombardier

Tuscon, Arizona

Bombardier’s Learjet repair and rework facility, located in Tuscon, Arizona, approached Diversitech for a dust control solution in their composite sanding area.

General Electric

McAllen, Texas

General Electric’s Macallen facility overhauls Aviation engines. Some of the operations require welding, grinding, and deburring of parts. To ensure the workers well being, GE set forth requirements of a custom downdraft table.

Plumbers & Pipe Fitters Union

Local 853 – Toronto, Ont.

Diversitech installed nine (9) Mini Downdraft
Tables with special side trays. These tables offer
a “Hands Free Capture at Source” of smoke and dust before
they reach the student’s breathing zone.

Lincoln Technical Institute

National Campuses

Diversitech offers many solutions for safe removal of welding fume and smoke. In the case of Lincoln Tech, we have supplied over one-hundred (100) Downdraft Tables to various locations, with table dimensions & configurations designed to meet each instructors/schools particular needs.

Chicago Pneumatic

Rock Hill, South Carolina

Chicago Pneumatic regularly attends trade shows where they exhibit their vast selection of products. Attendees are encouraged to sample various Chicago Pneumatic power tools at their showroom where many of the applications used in these demonstrations generate fugitive fumes and dust.</p

Videos

A Closer Look at DD 2' x 4' Downdraft Table

Get an in-depth look at DD 2′ x 4′ Downdraft Table and explore its key features in action.
This video showcases how it works, its standout benefits, and why it’s the perfect choice for you. Watch now and experience the innovation firsthand!

Slides

Swipe Through the Details of DD 2' x 4' Downdraft Table

Get an in-depth look at DD 2′ x 4′ Downdraft Table and explore its key features in action. This video showcases how it works, its standout benefits, and why it’s the perfect choice for you. Watch now and experience the innovation firsthand!

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Request A Quote

Please provide the information requested below so we can provide you with a timely and customized solution for your specific needs.

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Job Title

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Combustible Dust

Largest Part

Duty Cycle

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Product Selected

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Describe Application

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City

State/Region

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How did you hear about us?

Products

Downdraft tables

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Fume Extractors

Dust Collectors

DD 2′ X 4′ Downdraft Table

Recommended Applications

Overview

Benefits

Features

Options

Models and Options

STANDARD / 3.0 HP – 460V

STANDARD / 3.0 HP – 575V

WGD / 1.5 HP – 120V

WGD / 3.0 HP – 230V

WGD / 3.0 HP – 460V

WGD / 3.0 HP – 575V

SPR / 1.5 HP – 120V

SPR / 3.0 HP – 230V

SPR / 3.0 HP – 460V

SPR / 3.0 HP – 575V

PLA / 3.0 HP – 230V

PLA / 3.0 HP – 460V

PLA / 3.0 HP – 575V

CAW / 3.0 HP – 230V

CAW / 3.0 HP – 460V

CAW / 3.0 HP – 575V

Technical Specifications

How to..

+ Set up your DD 2' X 4' Downdraft Table for the first time

Before You Begin

Unpacking Unit

Installation

+ Perform Function Test Prior To Use

+ Replace your Filters

Troubleshooting

+ My Downdraft Table Does Not Turn On

+ My Downdraft Table Does Not Pulse Air

+ The Light Kit Does Not Work

Guides

Air Canada

Montreal, Quebec

Boeing

Wichita, Kansas

Bombardier

Tuscon, Arizona

General Electric

McAllen, Texas

Plumbers & Pipe Fitters Union

Local 853 – Toronto, Ont.

Lincoln Technical Institute

National Campuses

Chicago Pneumatic

Rock Hill, South Carolina

Videos

A Closer Look at DD 2' x 4' Downdraft Table

Slides

Swipe Through the Details of DD 2' x 4' Downdraft Table

Request A Quote