Description

Heavy-duty, adaptable bi-lobe rotary blowers with low-noise design

The ROOTS® Universal RAI™-J DSL (Dual Splash Lubricated) rotary blowers are built for tough-duty performance with added noise control features. Designed with durable, removable steel mounting feet, these units offer easy installation in either horizontal or vertical configurations. The blower allows for four drive shaft orientations—top, bottom, left, or right—to accommodate different system layouts. This model includes dual splash lubrication for improved cooling and long-term reliability, along with WHISPAIR™ technology that reduces operational noise and pressure pulsations.

• Delivers pressure up to 15 psig (1034 mbar)
• Vacuum capability to 16” Hg (539 mbar)
• Airflow capacity up to 630 cfm (1070 m³/hr)
• Fitted with metric shaft and pipe connections

Key Features

• Removable steel feet for flexible mounting
  
• Solid one-piece cast iron housing for durability
  
• Heavy-duty anti-friction bearings
  
• Splash-lubricated spur gears and drive-end bearings
  
• Standard pipe connections for easy integration
  
• Reduced noise and pressure pulsation to support longer bearing life

Benefits

• Flexible Mounting Setup: Adjustable steel mounting feet allow for drive shaft orientation on the top, bottom, left, or right—ideal for varied system layouts.
• Built for Longevity: Compact yet rugged design ensures consistent performance within rated speed and pressure limits.
• Engineered for Reliability: Durable construction with a cast iron body, alloy steel timing gears, and cast iron impellers.
• Strengthened Bearing Support: Features oversized anti-friction and cylindrical roller bearings to handle the stress of V-belt loading.
• Dual-End Lubrication: Splash oil lubrication on both the gear and drive ends promotes cooler, more reliable performance.
• Optimized Oil Flow: ROOTS® “figure-eight” gearbox design helps improve oil distribution, extending gear and bearing service life.
• Smooth Running: Reduced pressure pulsations contribute to quieter, more stable operation.
• Quieter Performance: WHISPAIR™ technology helps reduce air backflow and overall noise levels.
• Greater Efficiency: WHISPAIR™ models offer up to 40% lower pressure pulsation than standard blowers, improving system effectiveness.

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