ROOTS™ RAM™ Frame 406 Rotary Positive Blower
Model: RAM Frame 406
Part of the proven RAM™ Blowers lineup spanning Frame 404 through 624, the ROOTS™ RAM™ 406 Rotary Positive Displacement Blower delivers higher-capacity airflow up to 601 CFM at pressures to 18 PSI, vacuum to 16″ Hg, and speeds to 4000 RPM. Manufactured with CNC precision, alloy steel timing gears, cylindrical roller bearings, and piston ring air seals, it's engineered for industrial reliability with simplified installation and maintenance across horizontal and vertical configurations.
Technical Details
ROOTS™ RAM™ Frame 406
Model: Roots RAM Frame 406
Flow Range: to 601 CFM
Max Δ Pressure: 18 psi
Max Δ Vacuum: 16″ Hg
Maximum RPM: 4000
Minimum RPM: 850
Max ΔT: 240˚F
Connection Size: 4″ FPT
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: 230 pounds (104.5 kg)
RAM Frame 406 Design & Construction Features
Horizontal and vertical mounting configurations available
Improved volumetric efficiency with reduced operating temperatures
Alloy steel timing gears for durability under sustained load
Cylindrical roller bearings engineered for high-speed reliability
Piston ring air seals for effective pressure containment
Splash oil lubrication for low-maintenance gear and drive end protection
Repositionable rugged steel mounting feet for flexible installation
Die-cast aluminum drive end and gear covers to reduce weight and simplify maintenance
CNC-manufactured components for consistent dimensional accuracy
Warranty Information
The ROOTS™ RAM™ 406 is backed by a 24-month warranty from original unit start-up, or 30 months from the date of original shipment — whichever occurs first.