ROOTS™ RCS 817 Rotary Positive Displacement Blower

Model: RCS 817

The Roots™ RCS Rotary Blower - 817 delivers oil-free compression across a massive 4050 CFM flow range. This 1200-pound industrial powerhouse features center-timed engineering for flawless rotation in either direction and is built for industrial operations that demand dependable airflow, flexible installation, and long-lasting performance. Equipped with well-vented grey iron headplates and a 2.75-inch drive shaft, the system utilizes reliable piston ring seals to completely block internal air leakage, ensuring optimal volumetric efficiency for heavy plant operations.

Key Specifications

Max Flow

4050 CFM

Max Pressure

18 PSI

Max Vacuum

16″ Hg

Maximum Speed

2250 RPM

Manufacturer

Roots

IO&M Manuals

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Literature

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Technical Details

The ROOTS™ RCS rotary blower series is engineered with integral shaft ductile iron impellers featuring an involute profile for dependable airflow consistency and long-term operating stability. Its rigid one-piece grey iron casing, headplates, gear cover, and end cover are designed to withstand demanding industrial environments.

Model: ROOTS™ RCS 817

Flow Range: Up to 4050 CFM

Max Δ Pressure: 18 psi

Max Δ Vacuum: 16″ Hg

Maximum RPM: 2250

Minimum RPM: 477

Max ΔT: 230°F (260°F with Oil Cooler)

Connection: 10″ Flange

Shaft Diameter: 2.75″

Drive End Lubrication: Oil

Gear End Lubrication: Oil

Required Oil Horizontal Unit: 4.8 pints Gear End

Required Oil Horizontal Unit: 8 ounces Drive End

Required Oil Vertical Unit: 2.06 pints Gear End

Required Oil Vertical Unit: 8 ounces Drive End

Unit Weight: 1200 pounds (545.5 kg)

ROOTS™ RCS 817 Design and Features

Center-timed design allows rotation in either direction

Heavy-duty alloy steel timing gears for reliable power transfer

Cylindrical roller bearings on the drive end for added durability

Ball bearings are installed on the gear end for balanced operation

Piston ring air seals help reduce internal leakage

Optional unidirectional hydrodynamic seals available

Splash oil lubrication at both ends of the blower

High volumetric efficiency for demanding airflow applications

Horizontal and vertical installation configurations are supported

Rugged detachable steel mounting feet for easier field adaptability