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Detroit Air - ROOTS Large Rotary-Lobe Blowers

ROOTS Large Rotary-Lobe Blowers

ROOTS Large Rotary-Lobe Blowers

This heavy-duty unit is a compact design engineered for reliable pneumatic conveying of grain and similar products.

  • 4" (10.16 cm) gear size only
  • Vacuums to 16" Hg (542 mbar)
  • Pressure to 15 psig (1034 mbar)
  • Flows 133 to 1175 cfm (226 to 1996 m3/hr)

RCS-J WHISPAIR™ rotary blowers are heavy-duty units designed with integral-shaft ductile iron impellers having an involutes profile. WHISPAIR blowers reduce noise and power loss by utilizing an exclusive wraparound plenum and proprietary WHISPAIR jet to control pressure equalization – feeding back flow in the direction of impeller movement, thereby aiding rotation. The head plates, gear cover, drive end cover and rigid, one-piece casing are gray iron. Carburized and ground alloy steel spur timing gears are taper mounted on the shafts, secured with a locknut. Cylindrical roller bearings are used. Piston rings reduce air leakage through the shaft openings in the head plates, and lip-type oil seal prevent lubricant from entering the air chamber. The RCS-J incorporates thrust control, with splash oil lubrication at both ends of the blower. Frame sizes 715J and 721J are designed with detachable rugged steel mounting feet that permit in-field adaptability to either vertical or horizontal installation requirements.

RCS-J Blowers
Incorporates ROOTS Whispair technology to reduce noise levels.

RCS-VJ Blowers
RCS Whispair units are available with an inlet spray nozzle and seal water flow meter for water injection.  This feature cools the vacuum unit to enable it to reach deeper vacuum.


(800) 884-4184 or (248) 544-2982