Roots Universal RAI DSL Blowers

The Roots Universal RAI® DSL Blower (Dual Splash Lubrication) features advanced dual splash lubrication and is available in 12 models. Engineered for flexible installation, these DSL Blower units deliver reliable performance in demanding air and gas-handling applications across various industrial environments, including wastewater treatment, pneumatic conveying, and chemical processing.

Available Models

9 Products

ROOTS™ 32 Universal RAI DSL

ROOTS™ 33 Universal RAI DSL

ROOTS™ 36 Universal RAI DSL

ROOTS™ 45 Universal RAI DSL

ROOTS™ 47 Universal RAI DSL

ROOTS™ 53 Universal RAI DSL

ROOTS™ 56 Universal RAI DSL

ROOTS™ 59 Universal RAI DSL

ROOTS™ 68 Universal RAI DSL

ROOTS™ 615 Universal RAI DSL

Product Specifications

Roots Universal RAI DSL Blower (Dual Splash Lubrication) −

All models in our Universal RAI Blower DSL series feature dual splash lubrication at both the gear end and drive end, improving oil distribution and maximizing gear and bearing life. The drive end includes two shaft-mounted oil slingers, while the gear end utilizes GE’s exclusive “figure-eight” gearbox design that works together to improve oil distribution and maximize gear and bearing life. The oil reservoirs feature sight glasses for accurate oil level monitoring.

Frame Sizes: 32 through 615

Universal RAI DSL blower series is designed with universal mounting feet for easy adaptation to vertical or horizontal installations, with four drive shaft positions (top, bottom, right, or left hand). All models are center-timed, allowing operation in either direction for enhanced flexibility.

Highlights −

Flow Rates: 55 – 565 ICFM (94 – 960 m³/hr)
Pressure: Up to 13 PSI (896 mbar)
Vacuum: Up to 16 INHgV (539 mbar) (Dry)
Horsepower: 0.5 – 37 BHP (0.4 – 28 kW)

With a compact and rugged design, these DSL blower units are built for continuous service and consistent airflow performance in industrial environments.

Design & Features −

Dual splash lubrication on both the gear end and the drive end
Two shaft-mounted oil slingers on the drive end
Exclusive “figure-eight” gearbox design for improved oil distribution
Sight glasses provided for accurate oil level confirmation
Steel detachable mounting feet for flexible installation
Universal mounting design (vertical or horizontal configurations)
Four drive shaft positions: top, bottom, right, or left
Center-timed design for bi-directional operation
Rigid cast iron casing for durability
Carburized and ground alloy steel spur timing gears
Anti-friction bearings with cylindrical roller bearings on the drive shaft
Balanced, precision-machined bi-lobe impellers
Ground steel shafts for strength and reliability

Applications −

Wastewater treatment
Pneumatic conveying / material handling
Industrial air systems
Chemical and petrochemical processing
General air and gas handling systems

ACFM - Your Go-To Partner for Universal RAI DSL Blower Units

As a trusted Roots blower distributor, ACFM supports industries across South Texas with reliable products and technical expertise. We supply high-performance Roots blowers Houston businesses depend on, along with complete support for industrial air handling systems.

Whether you need assistance with DSL blower product selection, system design, or maintenance, our team is here to help. Contact ACFM today to get expert guidance and customized solutions for your industrial blower requirements.