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    Roots RCS Series

    The Rotary Centrifugal Style (RCS) represents Roots' largest industrial PD blower, featuring three rotating lobes that deliver higher flows with lower speed. Available in 3 frame sizes (817, 824, 827), RCS units operate from 4,050 to 4,650 ICFM at pressures to 18 PSIG and vacuums to 16 in.Hg. Built with integral-shaft ductile iron impellers, rigid cast-iron casing, and carburized spur gears, RCS blowers handle the most demanding continuous-duty industrial applications.

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    RCS Series Specifications

    Capacity Range
    4,050–4,650 ICFM across frame sizes 817–827
    Max Pressure
    18 PSIG
    Max Vacuum
    16 in.Hg
    Max Speed
    2250 RPM
    Connection Sizes
    10 in. to 14 in. flange depending on frame size
    Gearing
    Carburized and ground alloy steel spur gears

    Typical Applications

    • Large wastewater treatment aeration
    • Industrial vacuum and pressure boosting
    • High-capacity pneumatic conveying
    • Biogas and landfill gas handling
    • Thermal oxidation air supply
    • Large-scale continuous industrial duty

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