ROOTS™ RAM-GJ Whispair 409 Rotary Positive Displacement Blower
Model: 409 RAM-GJ Whispair
The RAM-GJ WHISPAIR Rotary Positive Displacement Blower - 409 by ROOTS™ brings elite gas handling power to your facility. This 350-pound workhorse optimizes volumetric efficiency while lowering operating temperatures and energy draw. It easily manages up to 900 CFM and 18 psi pressure with durable alloy steel timing gears and hydrodynamic seals. Expect fewer moving parts, dual-splash oil lubrication, and a rock-solid 24-month warranty for continuous uptime.
Technical Details
409 RAM Whispair Gas Blower
Model: 409 RAM-GJ Whispair Blower
Flow Range: to 900 CFM
Max Δ Pressure: 18 psi
Max Δ Vacuum: 16″ Hg
Maximum RPM: 4000
Minimum RPM: 850
Max ΔT: 240˚F
Connection: 5″ FPT
Shaft Diameter: 1.5″
Drive End Lubrication: Oil
Gear End Lubrication: Oil
Required Oil for Horizontal Unit: 55 ounces
Required Oil for Vertical Unit: 27 ounces
Unit Weight: 350 pounds (159.1 kg)
RAM-GJ Whispair 409 Design & Construction Features
Designed for industrial gas service applications
Quieter operation during continuous airflow performance
Improved volumetric efficiency for smoother airflow delivery
Reduced operating temperatures under load conditions
Precision alloy steel timing gears
Heavy duty cylindrical roller bearings
Long service life mechanical seals
Hydrodynamic drive shaft sealing arrangement
Splash oil lubrication system
Reduced maintenance due to fewer internal moving components
No valves or vanes requiring frequent replacement
Available in both horizontal and vertical configurations
Warranty Information
The ROOTS™ RAM GJ WHISPAIR 409 blower includes warranty coverage for twenty four months from startup or thirty months from shipment date, whichever occurs first.