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    Centrifugal Supply Fan, Product # SAF-118-20X-3-QD-DR1, 3843-6985 CFM

    Centrifugal Supply Fan, Product # SAF-118-20X-3-QD-DR1, 3843-6985 CFM

    • 42 x 42 inch base with prepunched mounting holes for easy attachment to roof curb
    • Permanent washable aluminum filters allow for many years of reliable use
    • 32.5 x 32.5 inch recommended roof opening
    • Shipping Type:
      Freight
    $4,760.51
    In stock 
    2 on Hand
    Free shipping
    OR
    Need a specific configuration?
    Submit a request online and get a quote from your local representative within 4 hours.

    • 42 x 42 inch base with prepunched mounting holes for easy attachment to roof curb
    • Permanent washable aluminum filters allow for many years of reliable use
    • 32.5 x 32.5 inch recommended roof opening
    • Shipping Type:
      Freight

    Model SAF is a filtered supply fan designed to provide non-tempered make-up air to commercial or industrial buildings, including commercial kitchen applications. Fresh outdoor air is supplied to replace air lost through hood exhaust or general building ventilation.

    • Cover and side access panels are easily removed for access to motor compartment and drive assembly
    • Isolators support the drive frame and blower assembly for long life and minimal sound transmission into the building
    • Various lifting points located on the drive frame to provide easy lifting
    • Machined cast pulleys are adjustable for final system balancing
    • Blower outlet is flanged to provide built-in duct adapter for mounting of ductwork directly to the fan base
    • Motor, pulleys and belt ship separately for field assembly

    California Residents-

    Prop 65 Warning
    California Title 20
    Specifications
    Base/Panel Length X Width
    42 x 42 in
    Curb Cap Size
    42 in
    Impeller Diameter
    18 in
    Roof Opening Width x Roof Opening Length
    32 1/2 x 32 1/2 in
    Base Height
    2 in
    Damper Width x Damper Height
    30 x 30 in
    Height
    36.0625 in
    Weight
    433 lbs
    Application
    Supply Air
    Housing Material
    Galvanized Steel
    Drive Type
    Belt Drive
    Impeller Type
    Forward curved wheel
    Impeller Material
    Aluminum
    Includes
    Access Panels
    Unassembled drive package
    Washable, aluminum 1-inch filters
    Certifications
    AMCA Sound & Air
    UL/cUL 705
    Drive Package Description
    Motor and drives shipped loose
    Required Accessory
    Roof curb for new roof installations
    Motor Insulation
    F
    Motor Phase
    3
    Service Factor
    1.15
    Voltage
    208-230/460
    HP
    2
    Hertz
    60
    Motor Enclosure
    Open Drip Proof
    RPM
    1800
    Thermal Protection
    Thermostat
    Nominal Efficiency
    88.5
    NEMA Frame Size
    145T
    Shipping Type
    Freight
    Warranty Length
    1 Year
    Performance
    CFM Range
    3843-6985
    FRPM Range
    510-600

    California Title 20 | Fan Energy Index Boundaries
    Fan Energy Index >= 1.00 Efficiency Boundaries

    Max Airflow (CFM) 6699
    Max Fan Speed (RPM) 1151
    Max Pressure (in. w.g.) 3.330
    Type of Pressure Total

    Note: Operation outside of these boundaries will result in an energy inefficient operation

    Ps (in. wg) 0 0.125 0.25 0.375 0.5 0.625 0.75
    2 2.1 600 510 CFM 6985 6548 6184 5688 5192 4593 3843
    Sones 24 23 21 19 17.2 15 13.6
    Bhp 2.1 1.92 1.77 1.57 1.39 1.18 0.96
    2
    2.1
    600
    510
    Ps (in. wg) CFM Sones Bhp
    0 6985 24 2.1
    0.125 6548 23 1.92
    0.25 6184 21 1.77
    0.375 5688 19 1.57
    0.5 5192 17.2 1.39
    0.625 4593 15 1.18
    0.75 3843 13.6 0.96
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