Roots Type Rotary Twin Lobe Air Blower

Roots Type Rotary Twin Lobe Air Blower


Air Blower is based on tried & tested volumetric principle by which the volume generated proportional to the speed of rotation, providing a guaranteed 100 % oil -free air and a transported gas that is free of any contamination. This consist of two identical twin or tri lobes that rotate in opposite directions.

Constructions

  • Casing: Cast iron in Grade 25 with extra deep rib sections for greater rigidity under vacuum or pressures service.
  • Impellers: are accurately machined in Cast iron or Forged steel for close tolerance & long life operation. Dynamically balanced for smooth running & lower bearing loads.
  • Side Plates: have vents that ensure no risk of oil contamination.
  • Bearings: Heavy-duty roller bearings for maximum loading.

  • Effluent/water treatment plant
  • Air agitation of chemical solution
  • Filter bed agitation
  • Sulphation process-sugar plants
  • Cement blending, aeration & fluidation
  • Pneumatic conveying- cement chemicals
  • Fertilizer & chemical plants
  • Pressuration of high altitude chambers
  • Air blowing glass industry
  • Agitation of liquids-electroplating plants, ice plants, lamps & luminaries manufacturing plants, etc
  • Centralised vacuum cleaning
  • Boosting or evacuation of gases
  • Fisheries/ hatcheries / aquaculture

Air Blower is available from 20m3/hr to 30000 m3/hr with pressure application from 1000 mmwc (0.1kg/cm2) to 10000 mmwg (1.0kg/cm2).

  • Well suited for V-belt as well as direct coupled drive
  • Material of construction of the casing and lobes for all blowers is C.I.F.G.-260 conforming to IS: 210
  • Shaft material is alloy steel, EN24 (817M40) conforming to BS: 970 Part-III
  • Close tolerance between the impellers, body & side plates to minimize Back Slippage of air improving efficiency & reliability
  • Impellers & pulleys are dynamically; balanced to avoid undue load over the bearings
  • Precision hardened & ground helical gears located for more input torque capability are used to ensure smooth, silent running and accurate timing of the rotating impellers

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