Sludge Pumps Manufacturers

Roto Progressive cavity pumps are also known as sludge pumps due to its long history in supplying pumps for various applications. Roto pumps in this category are used for transferring different types of sludge in wastewater treatment plants, effluent treatment plants, biogas plants etc. The wide throat of this pump with bridge breaker arrangement can easily transfer sludge with solid concentration of up to 40%. These pumps can operate at a capacity up to 420 m3/hr or 1850 GPM and pressure up to 48 bar or 696 PSI, rest depends upon the viscosity and abrasiveness of the media. These pumps are extensively used in almost all the industries having ETP like paint, paper, power, steel, mining, explosives, marine, oil & gas etc. These pumps are popular for low maintenance, longer life cycle, ability to handle solids, varied viscosities, self-priming and most importantly non-clogging properties etc.

These pumps are types of Positive Displacement Pumps that are designed to handle the flow of a combination of wastewater media or different types of liquids with solid waste concentration. Due to their use in the difficult-to-handle applications, these pumps are built with strong and solid materials.

These pumps’ functioning is similar to that of Progressive Cavity Pumps. Their machinery consist of a single helix metallic rotor rotates located inside a double helix elastomeric stator in order to form cavities along the axis in the pump. The liquid is lifted and moved through these cavities from the suction end to discharge end of the pump.


Sludge Pump Applications

  • Primary
  • Bio
  • ETP
  • Secondary
  • Stabilized
  • Bio
  • Secondary activated
  • Undigested
  • Dewatered
  • Sludge cake
  • Secondary excess
  • Thickened
  • Digested
  • Floating
  • Returned
  • Settled

Progressive Cavity Pumping Principle

The pumping element comprises of a precision machined single external helix metallic rotor, and a double internal helix elastomer stator. Due to the special profile of the rotor and stator set, a sealing line is formed along the axis of the rotor which is maintained at both static and dynamic conditions. As the rotor turns within the stator, these cavities progress from the suction to the discharge end of the pump carrying the fluid.

Positive Displacement
Because of single rotating element, progressive cavities are generated which deliver a uniform, metered and non-pulsating flow. The developed head is independent of the rotational speed, where as the capacity is proportionate to the speed.

Self priming
Inherently self-priming, the pumps can work on snore and do not require a foot valve.

Can handle solid in suspension or media containing a high percentage of solids.

Low NPSH Requirement
Suction lift capabilities of up to 9.5mWc and effective in high vacuum conditions.

Low Internal Velocity
Minimum degradation of shear-sensitive media, and can also handle highly viscous materials having pseudo-plastic characteristics.

Due to the reversible rotation capabilities, Progressive Cavity Pumps can perform with equal efficiency in either direction.

Silent Running
Rotors turn inside a resilient stator and thus generate little noise.

Separate Bearing Housing
Fluids can be pumped without no contamination.

Paper Industry

Sugar Industry

Agriculture Industry

Oil & Gas Industry

Paint, Varnish & Ink Industry

Mining Industry

Chemical Industry

Food Industry

Explosives Industry

Man Made Fibers Industry

Ceramic Industry

Edible Oil Industry

Cosmetics & Herbal Industry

Toiletries Industry

Dye Stuff Industry

Marine Industry

Waste Water Treatment Industry

Pharma Industry

Steel Industry

Textile Industry

Power Plant Industry

Bio Gas Industry

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