ROOTS RAM-GJ Whispair 404 Rotary Positive Displacement Blower

ROOTS™ RAM-GJ Whispair 404 Rotary Positive Displacement Blower

Model: 404 RAM-GJ Whispair Blower

If your industrial gas handling system demands a mix of high performance and quiet reliability, the ROOTS™ RAM-GJ WHISPAIR™ 404 blower is built to deliver. Part of the trusted 404J thru 624J series, this rugged rotary positive blower provides airflow of up to 396 CFM, operates under pressure of up to 18 PSI, and achieves a maximum vacuum level of 16” Hg. Its smart design, along with the effective lubrication system, guarantees trouble-free, silent operation even under harsh industrial operating conditions.

Key Specifications

Max Flow

396 CFM

Max Pressure

18 PSI

Max Vacuum

16″ Hg

Maximum RPM

4000 RPM

Minimum RPM

850 RPM

Manufacturer

Roots

IO&M Manuals

Download

Literature

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Technical Details

404 RAM Whispair Gas Blower

Model: 404 RAM-GJ Whispair Blower

Flow Range: to 396 CFM

Max Δ Pressure: 18 psi

Max Δ Vacuum: 16″ Hg

Maximum RPM: 4000

Minimum RPM: 850

Max ΔT: 240˚F

Connection Size: 3″ 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: 270 pounds (122.7 kg)

RAM-GJ Whispair 404 Design & Construction Features

Designed specifically for gas service applications

Low operating noise levels

Reduced operating power requirements

Improved volumetric efficiency

Reduced operating temperatures

Alloy steel timing gears

Cylindrical roller bearings

Long-life mechanical seals

Hydrodynamic drive shaft seal

Splash oil lubrication system

Fewer moving parts with no valves or vanes to wear

Horizontal and vertical configurations available

Rugged repositionable mounting feet for easier installation

Warranty Information

Roots™ RAM-GJ Whispair blowers are backed by a warranty period of 24 months from the original unit start-up date or 30 months from the original shipment date, whichever occurs first.