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ROOTS™ RAM-VJ Whispair 409 Rotary Positive Displacement Blower

Model: RAM-VJ WHISPAIR 409

The ROOTS™ RAM VJ WHISPAIR™ 409 vacuum exhauster is designed for facilities that require dependable vacuum performance with quieter operation and improved cooling efficiency. Delivering airflow up to 600 CFM and vacuum capability reaching 24″ Hg, this industrial vacuum blower uses water injection technology to help maintain lower operating temperatures while supporting deeper vacuum levels. Its durable internal construction and smooth pressure equalization system make it well-suited for continuous process applications.

Key Specifications
Max Flow
600 CFM
Max Vacuum
24″ Hg
Maximum Speed
3200 RPM
Minimum Speed
848 RPM
Manufacturer
Roots
IO&M Manuals
Literature

Technical Details

409 RAM-VJ WHISPAIR Blower
Model: ROOTS™ RAM VJ WHISPAIR 409
Flow Range: Up to 600 CFM
Max Δ Pressure: 18 psi
Max Δ Vacuum: 24″ Hg
Maximum RPM: 3200
Minimum RPM: 848
Max ΔT: 60°F
Inlet Connection: 5″ FLG
Discharge Connection: 5″ 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: 350 pounds

RAM-VJ Whispair 409 Design & Construction Features

Quiet operating performance for improved workplace comfort
Reduced power consumption during continuous vacuum operation
Enhanced volumetric efficiency with lower running temperatures
Precision alloy steel timing gears for dependable synchronization
Heavy duty cylindrical roller bearings for added durability
Piston ring air seals designed to minimize internal leakage
Lip type oil and shaft seals for cleaner operation
Splash oil lubrication on both ends for reliable component protection
Configurable for both horizontal and vertical installation layouts

Warranty Information

ROOTS™ RAM VJ WHISPAIR™ vacuum exhausters are backed by a warranty period of 12 months from the original startup date or 18 months from the original shipment date, whichever occurs first.