Verito Coaxial Agitators: Mastering Complexity in Mixing

At Verito Engineering Private Limited, we redefine mixing technology with our state-of-the-art Coaxial Agitators. Engineered for the most demanding applications, our coaxial design integrates two independently driven agitators on a single axis, delivering unparalleled control and versatility. This innovative dual-action system is the definitive solution for complex processes involving high-viscosity fluids, delicate suspensions, and challenging homogenization tasks where a single agitator falls short.

 

Our Coaxial Agitators provide a unique synergy of low-speed, high-torque bulk movement and high-speed, high-shear dispersion, ensuring perfect product consistency every time.

 

 

 

How It Works: The Synergy of Dual-Action Mixing

The genius of the Verito Coaxial Agitator lies in its concentric dual-shaft design

  • Outer Anchor / Prabolic Agitator: The slow-moving outer anchor / prabolic impeller, often equipped with scrapers, operates at a low RPM. It continuously sweeps the vessel walls, preventing product buildup, eliminating "dead zones," and ensuring uniform heat transfer. This gentle, large-scale movement guarantees homogeneity throughout the batch.
  • Inner High-Shear Agitator: The central, high-speed shaft is fitted with a specialized impeller, such as a disperser blade, rotor-stator, or pitched-blade turbine. This inner agitator creates an intense zone of high shear, perfect for rapid dispersion of powders, emulsification of immiscible liquids, and efficient particle size reduction.

This combination allows for the simultaneous execution of macro-mixing (bulk blending) and micro-mixing (dispersion/emulsification), a feat impossible for conventional single-shaft systems. The result is dramatically reduced batch times, superior product quality, and enhanced operational efficiency.

Key Features & Innovations

  • Independent Speed Control: Each agitator's speed is independently controlled via a Variable Frequency Drive (VFD), offering an infinite range of mixing profiles to perfectly match your product's rheology.
  • Robust Drivetrain: We utilize premium gearboxes and high-efficiency motors (IE3/IE4 standards) to deliver reliable, continuous power with minimal energy loss. The entire drive assembly is engineered for low vibration and extended service life.
  • Advanced Impeller Geometry: Our impellers are designed using Computational Fluid Dynamics (CFD) analysis to optimize flow patterns, maximize shear rates, and minimize power consumption.
  • Precision Sealing Solutions: To ensure product purity and operator safety, we offer a variety of sealing options, from robust stuffing boxes and lip seals to advanced mechanical seals (single/double, dry/wet) compliant with FDA and GMP standards.
  • Superior Materials of Construction: All wetted parts are available in a range of materials, including Stainless Steel (SS 304, SS 316, SS 316L), Duplex Steel, and other corrosion-resistant alloys, with various surface finishes (including mirror polish < 0.5 Ra) available upon request.

 

 

Technical Specifications

 

Verito Coaxial Agitators are not off-the-shelf products; they are custom-engineered solutions. Below are typical specification ranges we work with.

 

Parameter Specification Range
Vessel Capacity 50 Liters to 25,000 Liters
Viscosity Handling Up to 500,000 cP (Centipoise)
Motor Power Outer Anchor: 0.5 HP to 50 HP Inner Disperser: 1 HP to 100 HP
Operating Speed (RPM) Outer Anchor: 10 - 60 RPM (VFD Controlled) Inner Disperser: 300 - 3000 RPM (VFD Controlled)
Materials of Contact SS 304, SS 316, SS 316L, Hastelloy, Duplex Steel
Surface Finish Matte, Mirror Polish (up to 0.4 Ra), Electropolishing
Sealing System Gland Packing, Lip Seal, Single Mechanical Seal, Double Mechanical Seal (Cartridge Type)
Mounting Flange Mounting (Top Entry) as per ASME/DIN standards
Optional Features Wall Scrapers (PTFE/Teflon), Temperature/pH Probes, CIP/SIP Systems, Explosion-proof (Ex) Motors & Controls (ATEX certified), Hydraulic Lift Systems

 

Applications Across Industries

 

The versatility of our Coaxial Agitators makes them indispensable in numerous sectors:

 

  • Cosmetics & Personal Care: Manufacturing of high-viscosity creams, lotions, gels, ointments, and toothpaste.
  • Pharmaceuticals: Preparation of sterile suspensions, emulsions, and granulation slurries.
  • Food & Beverage: Production of sauces, ketchup, mayonnaise, fruit purees, chocolate, and dairy products.
  • Chemicals: Synthesis of polymers, adhesives, sealants, paints, and coatings.
  • Paints & Inks: Efficiently dispersing pigments and additives into viscous bases.

 

The Verito Advantage: Engineered for Excellence

Choosing a Verito Coaxial Agitator is an investment in efficiency, reliability, and quality.

  • Reduced Batch Time: Achieve complete homogeneity and dispersion up to 50% faster than with conventional systems.
  • Unmatched Product Quality: Eliminate lumps, agglomerates, and inconsistencies for a perfect final product.
  • Energy Efficiency: Our optimized designs ensure maximum mixing effect with minimal power consumption.
  • Scalability & Customization: From lab-scale R&D models to full-scale production units, we design a system tailored precisely to your process parameters.
  • Dedicated Support: Our team of process engineers works with you from initial consultation and design to installation and after-sales support.

 

 

Know more about mixing Technology

 

These mixer agitators are comes in several specifications as per the need of our customers. The offered mixer agitators are tested from our end in order to deliver a defect free range to customer's end. Our mixer agitators are developed with quality material under the direction of skilled professionals.

 

We ensure the highest quality & performance of our Agitators. At the same time, we have a very strong performance track record of supplying various types of agitators for various applications.

 

Ask more to our Agitator Design Experts

 

  • Tip Speed
  • Pumping Capacity
  • Detention Time
  • ChemScale
  • Velocity gradient
  • Torque
  • Specific Power
  • Material of Construction

 

Agitator Manufacturing Champions

 

  • Accuracy of Machining
  • Lathe Machine, CNC, VMC
  • Qualified & Approved Welding Procedures

 

Tests Conducted by the Verito Quality Specialties

 

Performance
  • Run Trail
  • Noise
  • Vibration
  • RPM
  • Current
Dimensional
  • Run Out
  • DFT
  • Dimensions
  • Dynamic & Static Balancing
Chemical & Mechanical
  • UT
  • PMI
  • DP
  • PT

 

Final Assembly

 

  • We care about the Aesthetics of our Products

 

CFD in Mixing Technology
What is CFD ?

 

  • Computational Fluid Dynamics (CFD) represents an approved approach within the realm of fluid mechanics. Its widespread application is evident in industries such as automotive, aircraft, process, and mixing.
  • The primary objective of CFD is to address fluid flow-related inquiries by leveraging numerical techniques. The governing equations typically revolve around principles like Navier-Stokes, Euler, or potential-based equations.

 

Flow Simulation at Verito

 

  • Verito leverages cutting-edge Computational Fluid Dynamics (CFD) technology, alongside laboratory experiments and field trials, to design, scale-up, enhance, or modernize agitators and mixing systems.
  • Verito’s engineers utilize CFD technology to gain an in-depth understanding of velocity distribution, flow patterns, areas with low velocity (referred to as dead zones, as illustrated in Figures 1, 2 & 3), as well as regions with both low and high shear rates within various mixing system configurations.
  • This enables the testing of multiple system setups and tank agitator designs to achieve optimal performance. Additionally, CFD technology aids Verito in fine-tuning impeller blade designs to strike a balance between power requirements and pumping capacity.

 

Key Outcomes of CFD-Studies

 

  • In-depth Information of Flow pattern
  • Areas with the potential of low mixing intensity can be pinpointed and rectified.
  • Availability of crucial process parameters like shear and energy dissipation
  • Evaluation of different design options
  • Shortened project timelines for complex process mixing systems
  • Mitigation of project risks
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