ROOTS™ RAM-VJ Whispair 406 Rotary Positive Displacement Blower
Model: RAM-VJ WHISPAIR 406
The ROOTS™ RAM-VJ WHISPAIR Water Sealed Vacuum Exhauster - 406 maximizes system performance by using an integrated water spray nozzle and flow meter. This smart injection design cools the internal chamber to achieve deep vacuum pulls up to 24 inches of mercury while reducing operational noise. Heavy-duty ductile iron impellers and a wrap-around plenum smoothly redirect internal pressure, ensuring highly efficient, continuous industrial plant performance.
Technical Details
406 RAM-VJ Whispair Blower
Model: ROOTS™ RAM VJ WHISPAIR 406
Flow Range: Up to 400 CFM
Max Δ Pressure: 18 psi
Max Δ Vacuum: 24″ Hg
Maximum RPM: 3200
Minimum RPM: 848
Max ΔT: 60°F
Inlet Connection: 4″ FLG
Discharge Connection: 4″ FLG
Shaft Diameter: 1.5″
Drive End Lubrication: Oil
Gear End Lubrication: Oil
Required Oil Horizontal Unit: 19 oz drive end, 36 oz gear end
Required Oil Vertical Unit: 9 oz drive end, 18 oz gear end
Unit Weight: 300 pounds
RAM-VJ Whispair 406 Design & Construction Features
Water sealed vacuum design for deeper vacuum performance
Lower operational noise during continuous use
Water injection system for improved cooling efficiency
Reduced power loss with Whispair™ pressure equalization technology
Alloy steel timing gears for dependable synchronization
Cylindrical roller bearings for heavy duty operation
Piston ring air seals to reduce leakage
Splash oil lubrication on both ends of the unit
Horizontal and vertical installation flexibility
Rugged detachable steel mounting feet for easier field adaptation
Warranty Information
ROOTS™ RAM-VJ Whispair™ water sealed vacuum exhausters include a warranty period of 12 months from startup or 18 months from shipment date, whichever occurs first.