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For Low Flow Applications

Designed for plants with 1 MGD or less average flow, the Duperon® FlexRake® Low Flow is pre-engineered to save you time and money.

Low FLow

Duperon® FlexRake® Low Flow Screen

  • No Lower Sprockets, Bearings, or Tracks to Foul or Jam

  • Adapts to a Range of Debris Variations

  • Tear-Shaped Bars are 20% to 50% More Efficient

    Duperon® FlexRake® Low Flow

    A front-clean, front-return, mechanically-cleaned bar screen technology

    Specifically designed for plants of 1 MGD or less average flow with channels 2 feet to 6 feet deep by 1 foot to 2 feet wide.

    Bar openings of 1/4 inch, 1/2 inch, 3/4 inch, and 1 inch are available

    Duperon® FlexRake® Low Flow Features and Benefits

    Low Maintenance

    With no lower sprocket, FlexRake® technology allows all maintenance to be performed from the deck; no jam points underwater to require diving or confined space entry. No scheduled lubrication or maintenance is necessary.

    Pre-Engineered

    Integral enclosure, spray bar, and all stainless steel construction. Simple control system available.

    UHMW Low Flow SmartLink™ Technology

    The corrosion-resistant multifunctional links provide long operation life and permit "dry" operation.

    Energy Efficient

    The low horsepower requirements of the Sumitomo drive ensure a low-cost, energy-efficient method of debris removal.

    Efficient Hydrodynamics

    Depending on approach velocities, tear-shaped bars are 20% to 50% more efficient.

    Duperon® FlexRake® Low Flow General Specifications

    General

    Average Flow Capacity: 1 MGD
    Peak Flow Capacity: 4 MGD
    Channel Width: 1 -2 ft wide nominal
    Maximum Liquid Level: 22”
    Screen Area: 3.5 ft (vertical projection)
    Bar Opening: 1/4", ½”, ¾”, 1”
    Range of Channel Depth: 2’ to 6’
    Minimum Water Depth: 0”
    Discharge Height: 32.5” as measured from deck (max)
    Unit Height: 65.5” as measured from deck
    Unit OAL Width: 41.5” measured at widest point
    Lifting Capacity: 500 lb

    Utility

    1 Phase: (115 volt or 230 volt)
    3 Phase: (240 volt or 480 volt)

    Performance

    Discharge Rate / Cleaning:  Every 24.7 seconds
    Scraper Travel Speed: 50.5”/minute

    Materials of Construction

    Drive Mechanics: 304 Stainless Steel
    Enclosure/Dead Plate: 304 Stainless Steel
    Screen Bars: 316 Stainless Steel
    Chain/Scrapers: UHMW-PE – UV Stable
    Motor: Steel with Std DC Coatings

    Standard Materials of Construction

    Standard: 304 Stainless Steel
    Available in: 316 Stainless Steel

    Controls Functionality

    Emergency Stop
    On/Off
    Run Monitoring (Dry Contact)
    Explosion-Proof Controls Available*

    *Custom site wiring is necessary with explosion-proof option. Main panel is remote mounted, explosion-proof motor and NEMA 7/9 push button station provided. Wiring completed per local requirements.

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