Uni-Wash DDB series

Wet Downdraft Benches and Tables 1,000 – 12,500 CFM

The most efficient wet downdraft benches on the market, the Uni-Wash series of dust wet downdraft tables are capable of collecting dust down to 3 micron in size utilizing only 3″ wg.

Wet type dust collection is required for the safe collection of combustible metal dust. Wet Type Dust Collection has also been used effectively in many other difficult applications in place of cartridge collectors.  ProVent’s unique scrub design has been an industry standard for over 40 years and continues to lead the industry in Wet Type Dust Collection efficiency.

Click here to learn more about the Uni-Wash Scrub

Uni-Wash wet dust collection downdraft tables are fully compliant with the  NFPA 484 standard when purchased with the AccuScrub or AccuScrub PRO control panel option. Click here to find out more about NFPA 484.

Call us today to find out more about how wet dust collection can be used in your application.

CALL NOW! 800-610-6010

Wet downdraft bench Uni-Wash DDB
ProVent Product Brochure
  • Orifice / Impingement Patented Scrub Never Clogs
  • Stainless Steel Scrub Components
  • Integral High Efficiency Fan Assemblies
  • Solid Welded Construction
  • No Filters to Replace
  • Many Available Options to Customize
  • Various Power Options Available Including 575 Volts
  • Combustible Metal Processes
  • Metal Finishing
  • Food Processing
  • Pharmaceutical Processes
  • Biomedical Manufacturing
  • Shot Peening, Sand Blasting
Volume / CFM1,0002,0002,5003,0004,0005,0006,0007,50010,00012,500
Deck Velocity (Feet Per Minute)378407400378369416369416416416
Bench Width26.753437.540.75657297.5108144180
Bench Depth18263035303030303030
Bench Area (SQ FT)3.346.147.819.913.5415.0020.3122.530.0037.50
Work Deck Height30.12530.12530.12530.1253636.12536.12536.12536.12536.125
Dry Weight900120013501550280031003450430048005300
Tank Capacity (US GAL)55100125133280330420495660825
Primary Voltage460Volt 3 Phase 60 Hertz
Full Load Amps1. 11
Motor RPM3450345034501750175017501750175017501750
Motor HP1233557.57.515(2) 7.5
Fan SizeTEK250TEK280TEK315182 BC74182 BC200 BC 91200 BC222 BC 83245 BC 88(2) 200 BC
Fan TypeInjection Molded GRP Polymide, Backward Curved Airfoil, AMCA Rated, Spark-Resistant Corrosion Proof, Stronger than Steel / Half the Weight / Lower HPAMCA Rated Backward Curved, Single Width, Mild Steel
Housing Construction10 Gauge and 3/16" Steel, Solid Welded
Work Deck Construction1.5" x 1.5" square x 1.5" Tall Pattern, Molded Fiberglass, 65% Resin by Weight, Excellent Strength and Corrosion Resistance
Work Deck Load Capacity (lbs)800800800800800800800800800800800
Scrub Components304 Stainless Steel
Internal Tank CoatingAmerLock-2 by Ameron is a 2-Part Epoxy that provides exceptional corrosion protection in harsh industrial & marine corrosive environments
Water Level ControlsLow Maintenance mechanical float type with auto shutdown, Optional Ultrasonic Level Sensor and 24V Solenoid Valve in the supply plumbing for electronic water make-up, and high- and low-level emergency shutdown with AccuScrub upgrades.

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    Down Draft Bench Deck Materials
    Deck Materials - Rubber Mat, Fiber Decking, Tool Screen
    Dual Sided Down Draft Bench
    Dual Sided
    Down Draft Bench Footrest
    Foot Rest
    ProVent Booth Crane Slot
    Crane Slot
    Compressed Air Manifold
    Compressed Air Manifold

    Basic Control Options


    Across-The-Line Starter

    • Start / Stop Selection Switch
    • Phase Sensitive
    • Thermal Trip
    • Magnetic Trip

    Combination Control Panel

    • Start / Stop with Function Lights
    • Rotary Disconnect
    • Enclosure NEMA Type 3R, 4, 12 and Type 13
    • Enclosure UL LIsted Type 3R, 4 and 12
    • E-Stop

    UL Certified

    UL Certified Panel Shop

    ProVent UL Certified


    Advanced Control Options

    AccuScrub Controls

    AccuScrub NFPA Compliant Control Panel

    AccuScrub PRO

    AccuScrub PRO NFPA Compliant Control Panel

    AccuScrub Combination Control Panels by ProVent are Fully Compliant with NFPA for intrinsically safe operations for combustible dust.

    • NEMA 3R/4/12 Enclosure
    • Start / Stop Push Buttons and Function lights (Run, Stop)
    • Ultrasonic Water Level Control
    • Process Interlock Auxiliary Relay for Connection to Power Supply of Dust Producing Equipment
    • Face Mounted Rotary Disconnect
    • Stack Light with Audio and Visual Alarms
    • E-Stop – Safe and Quick Emergency Disconnection of Power
    • High / Low Water Alarm
    • Motor Temperature Monitoring
    • 24v DC Components – For Safety, Reliability and Compliance
    • – Optional 7″ HMI Touchscreen for Start / Stop, Fault Reporting, Visual Water Level (Removes Push Buttons)

    AccuScrub PRO

    Upgrade to AccuScrub PRO and include everything in the AccuScrub plus ….

    • Large 10″ Touchscreen Controls
    • Variable Frequency Drive
    • PID Loop – Controls Fan RPM for Optimal Scrub Pressure
    • Remote Start / Stop Ready
    • Detailed Fault Reporting
    • Real-Time Operating Statistics

    Popular Options

    The Sani-Ball cleaning system utilizes powerful spray nozzles to simplify the cleaning process

    Wet dust collection booth spray ball
    Stainless Steel Dust Collector Option

    All ProVent equipment is available in painted or unpainted stainless steel.  Popular with the food processing industry, stainless steel provides cleanliness and longevity to the equipment.

    Removable side panels allow for different configurations of the equipment.

    wet downdraft benches multi-station
    Wet downdraft bench dual sided

    Dual sided benches are an excellent use of space.

    Flush mounted lighting!

    Downdraft benches by ProVent