RAM-VJ Water Sealed Whispair®Positive Displacement Blowers - Dresser ROOTS

RAM-VJ Water Sealed Whispair®

Description:

ROOTS RAMWHISPAIR water-sealed vacuum exhausters are heavy-duty units designed with integral-shaft ductile iron impellers. Whispair vacuum exhausters reduce noise and power loss by utilizing an exclusive wrap-around plenum and proprietary WHISPAIR jet to control pressure equalization – feeding backflow in the direction of impeller movement, thereby aiding rotation.The headplates and rigid, one-piece casing are grey iron, while the drive end cover and gear cover are aluminum. 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 headplates, and lip-type oil seals prevent lubricant from entering the air chamber. RAM™ WHISPAIR™ vacuum exhausters incorporate splash oil lubrication at both ends of the units. A lipseal on the drive shaft prevents shaft seal oil leaks. All frame sizes are designed with detachable rugged steel mounting feet which permit in-field adaptability to either vertical or horizontal installation requirements. The top shaft is extended for drive on side outletvacuum exhausters, and the left or right shaft can be extended for drive on bottom outlet vacuum pumps. An inlet spray nozzle and seal water flow meter are supplied for water injection.

  • Flow Rates: 180 - 2500 ICFM (306 - 4248 m179;/hr)
  • Vacuum: No more than 24 INHgV (No more than 813 mbar)
  • Horsepower:6 - 105 bhp (4.47 - 78 kw)
 

Frame Sizes:

406J, 409J, 412J, 418J, 616J, 624J
 

I&OM:

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