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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

    Lead Time 
    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
    Dim
    Value
    A
    36.0625 in
    B
    32 in
    C
    31.0625 in
    D
    2 in
    E
    42 in
    F
    42 in
    G
    19.125 in
    H
    22.3125 in
    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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