- Low noise level, less operating power required
- Improved volumetric efficiency & reduced operating temperatures
- Alloy steel timing gears
- Cylindrical roller bearings
- Piston ring air seals
- Hydrodynamic shaft seals
- Splash oil lubrication
Heavy-duty, versatile, water sealed vacuum blower with reduced noise.
ROOTS® RAS Series vacuum blower featuring water injection to achieve deeper vacuum and WHISPAIR™ technology to reduce noise and pressure pulsations emitted from the blower
- Vacuums to 24” Hg (810 mbar)
- Flows to 4080 cfm (6930 m3/ hr)
- Durable Construction: The ROOTS® RAS-VJ blower features grey iron headplates, gear cover, drive end cover, and one-piece casing, along with carburized alloy steel spur timing gears taper mounted on the shafts, secured with a locknut. Cylindrical roller bearings ensure robust performance.
- Efficient Sealing Mechanisms: Piston rings and lip-type oil seals minimize air leakage and prevent lubricant from entering the air chamber, with a hydrodynamic seal on the drive shaft preventing oil leaks.
- Effective Lubrication: VJ whispair vacuum exhausters incorporate splash oil lubrication at both ends for smooth and reliable performance.
- Versatile Shaft Options: The top shaft is extended for drive on side outlet vacuum exhausters, and the left or right shaft can be extended for drive on bottom outlet vacuum exhausters.
- Water Injection System: An inlet spray nozzle and seal water flow meter are supplied for water injection, enhancing pump efficiency.
- Warranty Coverage: A warranty period of 12 months from date of original unit start-up or 18 months from date of original shipment is provided.
Keep Your Equipment Performing at Its Best
ROOTS® Performance Programs are designed to help protect your investment, reduce unexpected downtime, and simplify ongoing maintenance. With OEM‑backed parts, service, and proactive support options, these programs make it easier to keep your blower running reliably and efficiently throughout its lifecycle. Explore flexible maintenance, service, and parts plans tailored to your equipment and discover how planned support can extend equipment life and improve performance.