RAM-GJ (Gas/Whispair) Rotary Positive Blower

Robust, low-noise bi-lobe rotary blowers with gas seals

The ROOTS® RAM Series gas model is designed with mechanical seals to help limit process gas leakage and features WHISPAIR™ technology to reduce noise output and pressure pulsation during operation.

Categories: PD Blowers, RAM Blower Series

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Description

Robust, low-noise bi-lobe rotary blowers with gas seals

The ROOTS® RAM Series gas model is designed with mechanical seals to help limit process gas leakage and features WHISPAIR™ technology to reduce noise output and pressure pulsation during operation.

  • Handles pressure up to 18 psig (1240 mbar)
  • Achieves vacuum to 16” Hg (539 mbar)
  • Delivers flow up to 3550 cfm (6030 m³/hr)

 

Key Features

  • Mechanical gas seals built for handling non-corrosive gases
  • Steel mounting feet that can be repositioned for flexible setup
  • Precision-machined alloy steel timing gears
  • Cylindrical roller bearings for high-load performance
  • Hydrodynamic lip-type seal on the drive shaft to prevent oil leakage
  • Splash-lubricated spur gears and bearings on both gear and drive ends

 

Benefits

  • Engineered for Gas Applications: The RAM WHISPAIR™ gas series is purpose-built for non-corrosive gas use, incorporating advanced design features that reduce backflow, noise, and energy loss by balancing internal pressure.
  • Durable Build: Constructed with integral-shaft ductile iron impellers shaped with an involute profile, supported by grey iron headplates and a rigid one-piece casing.
  • Reliable Sealing Performance: Piston ring air seals and lip-type oil seals help prevent both air leakage and oil intrusion, while the hydrodynamic drive seal ensures oil containment.
  • Consistent Lubrication: Alloy steel timing gears, carburized and ground for durability, are splash lubricated on both ends to support continuous, efficient operation.
  • Mounting Flexibility: Easily adaptable to both horizontal and vertical mounting configurations, with optional extended shaft options to accommodate various piping layouts.
  • Comprehensive Warranty: Covered for 24 months from the date of first use, or up to 30 months from the shipping date, offering confidence in long-term performance.

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