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Rotary Lobe Pumps

 
     
 
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Rotary lobe pump use timing gears to eliminate contact between the rotors, which allows their use on non-lubricating fluids. These pumps offer low shear and gentle handling of the liquid to minimize product degradation. Rotary lobe pumps are useful for pumping and Transfer of all high viscous liquids like syrup paints, drugs, food products, etc.

Lobe pump is used in a variety of industries including, pulp and paper, chemical, food, beverage, pharmaceutical, and biotechnology. They are popular in these diverse industries because they offer superb sanitary qualities, high efficiency, reliability, corrosion resistance, and good clean-in-place and sterilize-in-place (CIP/SIP) characteristics.
 

Technical Specification (Rotary Lobe Pumps)

PUMP Model Port Size Displacement
@100 rpm
LPM US.
GPM
ALB 100S 1" 5 1.4
ALB 100L 1" 8 2.25
ALB 150S 1 1/2" 12 3.38
ALB 150L 1 1/2" 18 4.78
ALB 200S 2" 26 7.03
ALB 200L 2" 38 10.15
ALB 250S 2 1/2" 55 14.64
ALB 250L 2 1/2" 79 20.87
ALB 300S 3" 116 30.65
ALB 300L 3" 168 44.39
ALB 400S 4" 261 68.70
ALB 400L 4" 354 93.26
 

Features (Rotary Lobe Pumps)

ani pumps Robust construction
ani pumps Compact size
ani pumps High efficiency
ani pumps Reversible operation
ani pumps Hygienic design
ani pumps Easy maintenance
ani pumps Inter changeable rotor
ani pumps Handling low as well as high viscous liquid
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Ideal for delicate media & where organic solid suspended particle in liquid
 

Working for Lobe Pump


Lobe pump are similar to external gear pumps in operation in that fluid flows around the interior of the casing. Unlike external gear pumps, however, the lobes do not make contact. Lobe contact is prevented by external timing gears located in the gearbox. Pump shaft support bearings are located in the gearbox, and since the bearings are out of the pumped liquid, pressure is limited by bearing location and shaft deflection.
  1. As the lobes come out of mesh, they create expanding volume on the inlet side of the pump. Liquid flows into the cavity and is trapped by the lobes as they rotate.
  2. Liquid travels around the interior of the casing in the pockets between the lobes and the casing -- it does not pass between the lobes.
  3. Finally, the meshing of the lobes forces liquid through the outlet port under pressure.
Lobe pump are frequently used in food applications because they handle solids without damaging the product. Particle size pumped can be much larger in lobe pump than in other PD types. Since the lobes do not make contact, and clearances are not as close as in other PD pumps, this design handles low viscosity liquids with diminished performance. Loading characteristics are not as good as other designs, and suction ability is low. High-viscosity liquids require reduced speeds to achieve satisfactory performance. Reductions of 25% of rated speed and lower are common with high-viscosity liquids.

Application (Rotary Lobe Pumps)
ani pumps Food industries
ani pumps Chemical industries
ani pumps Pharmaceutical industries
ani pumps Dairy industries
ani pumps Petrochemical industries
ani pumps Sewage plant
 
     
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