ROOTS RAM-VJ WHISPAIR 409 Rotary Positive Displacement Blower

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

Download

Literature

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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.