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ROOTS™ RCS-J 817 WHISPAIR Rotary Positive Displacement Blower

Model: RCS-J 817

The ROOTS™ RCS J 817 WHISPAIR rotary positive displacement blower is engineered for large-scale industrial air systems that require powerful airflow with reduced sound levels and dependable efficiency. Delivering capacities up to 3179 CFM, this heavy-duty blower combines involute ductile iron impellers with advanced WHISPAIR airflow technology that helps smooth pressure equalization and reduce operating power demands. Precision alloy-steel timing gears, rigid grey-iron construction, and splash oil lubrication work together to support reliable long-term operation in demanding processing environments.

Key Specifications
Max Flow
3179 CFM
Max Pressure
18 psi
Max Vacuum
16″ Hg
Maximum Speed
2250 RPM
Manufacturer
Roots
IO&M Manuals
Literature

Technical Details

The ROOTS™ RCS J WHISPAIR series is built with a rigid one-piece grey iron casing, heavy-duty headplates, and carburized alloy steel timing gears designed for continuous industrial service. Cylindrical roller bearings and piston-ring air seals help maintain smooth airflow performance while minimizing internal leakage and supporting dependable operation under high-load conditions.

Model: ROOTS™ RCS J 817
Flow Range: Up to 3179 CFM
Max Δ Pressure: 18 psi
Max Δ Vacuum: 16″ Hg
Maximum RPM: 2250
Minimum RPM: 477
Max ΔT: 230°F
Inlet Connection: 10″
Discharge Connection: 10″
Shaft Diameter: 2.75″
Drive End Lubrication: Oil
Gear End Lubrication: Oil
Required Oil Horizontal Unit: 256 ounces Gear End
Required Oil Horizontal Unit: 120 ounces Drive End
Required Oil Vertical Unit: 144 ounces Gear End
Required Oil Vertical Unit: 80 ounces Drive End
Unit Weight: 1620 pounds (736 kg)

ROOTS™ RCS J 817 Design and Features

WHISPAIR airflow technology helps support quieter blower performance
Integral shaft ductile iron impellers improve airflow consistency
Alloy steel timing gears provide dependable synchronization during operation
Cylindrical roller bearings help manage demanding industrial loads
Piston ring air seals assist in reducing internal air leakage
Lip-type oil seals help keep lubricant separated from the air chamber
Splash oil lubrication protects internal components at both ends
High volumetric efficiency supports continuous industrial airflow requirements
Suitable for both horizontal and vertical installation arrangements
Heavy-duty construction supports long service life in industrial environments