ROOTS RAM Frame 418 Rotary Positive Blower

ROOTS™ RAM™ Frame 418 Rotary Positive Blower

Model: RAM Frame 418

Designed for the most demanding high-volume airflow applications within the RAM™ Blowers series, spanning Frame 404 through 624, the ROOTS™ RAM™ 418 Rotary Positive Displacement Blower delivers an impressive 1832 CFM, operating pressures to 10 PSI, vacuum to 16″ Hg, and speeds up to 4000 RPM. Built around an 8″ FLG connection and weighing in at 440 pounds, the RAM 418 combines alloy steel timing gears, cylindrical roller bearings, piston ring air seals, and splash oil lubrication — all CNC-precision manufactured — to sustain peak volumetric efficiency, lower operating temperatures, and reliable long-term performance across horizontal and vertical industrial installations.

Key Specifications

Max Flow

1832 CFM

Max Pressure

10 PSI

Max Vacuum

16″ Hg

Maximum RPM

4000 RPM

Minimum RPM

850 RPM

Manufacturer

Roots

IO&M Manuals

Download

Literature

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Technical Details

ROOTS™ RAM™ Frame 418

Model: Roots RAM Frame 418

Flow Range: to 1832 CFM

Max Δ Pressure: 10 psi

Max Δ Vacuum: 16″ Hg

Maximum RPM: 4000

Minimum RPM: 850

Max ΔT: 240˚F

Connection Size: 8″ FLG

Shaft Diameter: 1.5″

Drive End Lubrication: Oil

Gear End Lubrication: Oil

Required Oil – Horizontal Unit: 55 ounces

Required Oil – Vertical Unit: 27 ounces

Unit Weight: 440 pounds

RAM Frame 418 Design & Construction Features

Horizontal and vertical mounting configurations available

Improved volumetric efficiency with reduced operating temperatures

Alloy steel timing gears for durability under continuous high-load cycles

Cylindrical roller bearings for sustained high-speed performance

Piston ring air seals for reliable containment at pressure and vacuum

Splash oil lubrication for low-maintenance gear and drive end protection

Repositionable rugged steel mounting feet for versatile field installation

Die-cast aluminum drive end and gear covers for reduced weight and simplified servicing

State-of-the-art CNC manufacturing for consistent precision and long operational life

Warranty Information

The ROOTS™ RAM™ 418 Rotary Positive Displacement Blower is backed by a 24-month warranty from the date of original unit start-up, or 30 months from the date of original shipment — whichever comes first.