Rotor Stator with Tanks
Rotor Stator Blade
Rotor Stator Blade Close-Up Particles
Rotor Stator Blade Top View Particles

The VRS
Rotor Stator Mixer

The Variable-Speed Rotor Stator is designed for high-speed dispersing, mixing, size reduction and deagglomerating at significant process savings. It creates mechanical shear by continuously drawing product components into the rotor and expelling them radially through the precision milled openings in the stator. Alternative options include the VHS High-Speed Disperser and ILD Inline Disperser.

  • Disperse, emulsify, homogenize, dissolve, mill, mix and blend
  • Improves high-speed dispersion of paints, resins, inks, coatings, adhesives and more
  • Ultra-shear design achieves dispersion at a much faster rate than a standard high-shear blade
  • Eliminates additional processes such as grinding, milling or additional mixing
  • Reduces the toughest agglomerates in size, blends them with liquid additives, and wets them out to create a consistent dispersion

Need milling equipment for maximum particle reduction? Our EMI Mills division specializes in laboratory and full-scale production bead mills. 

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How Does a Rotor Stator Work?

A rotor stator is a highly efficient device used for high-speed dispersing, mixing, size reduction, and deagglomerating. It works by utilizing a rotor that spins within a stationary slotted stator at very high speeds. This setup acts like a centrifugal pump, drawing the product into the rotor and then expelling it against the slots in the stator. The high radial velocity and impact force generated cause the particles to break down as they hit the slots and surfaces of the stator. This repeated shearing process ensures maximum dispersion as the product continuously cycles back into the rotor.

The ultra-shear design of the rotor stator achieves dispersion at a much faster rate compared to standard high-shear blades, reducing the need for additional processes like grinding or milling and saving up to 90% of production time.

Rotor Stator Blade

Common Applications for Rotor Stators

Rotor stators are versatile tools used across a variety of industries for applications that require efficient mixing and size reduction. The Schold Variable-Speed Rotor Stator is designed to handle these applications with precision and efficiency, making it an ideal choice for processes that demand high shear force and quick, reliable results:

  • Paints and Coatings:

    Improving the dispersion of pigments and other components to ensure a smooth, consistent finish.

  • Inks and Resins:

    Homogenizing mixtures for high-quality print results and durable, resilient coatings.

  • Adhesives and Sealants:

    Blending ingredients to achieve a uniform texture and strong bonding properties.

  • Pharmaceuticals:

    Emulsifying and homogenizing active ingredients for consistent dosage and efficacy in liquid medicines.

  • Cosmetics and Personal Care:

    Creating smooth, aeration-free creams, lotions, and gels for a uniform product texture.

  • Food and Beverage:

    Mixing and emulsifying ingredients to ensure product stability and quality in items like sauces, dressings, and beverages.

VRS Rotor Stator Features & Benefits

The VRS Rotor Stator from Schold is engineered to deliver exceptional performance in various mixing and dispersion applications. Here are the key features and benefits of this versatile piece of equipment:

Ultra-Shear Design:

 The VRS Rotor Stator utilizes an ultra-shear design, enabling faster dispersion rates compared to standard high-shear blades. This design ensures that even the toughest agglomerates are efficiently reduced in size, creating a more consistent and stable dispersion.

Versatile Mixing Capabilities:

 With the ability to disperse, emulsify, homogenize, dissolve, mill, mix, and blend, the VRS Rotor Stator is a highly adaptable tool that can handle a wide range of materials and viscosities. This versatility makes it suitable for various industries, including paints, coatings, adhesives, pharmaceuticals, and cosmetics.

Efficient Operation:

 The high-speed rotor draws product into the stator and expels it through precision-milled openings, continuously shearing the particles and ensuring thorough mixing. This process reduces the need for additional steps such as grinding or milling, significantly saving production time and resources.

Reduced Production Time:

 The VRS Rotor Stator can save up to 90% of production time compared to traditional mixing methods. Its efficient design eliminates the need for multiple passes or additional equipment, allowing for faster processing and quicker turnaround times.

Customizable to Your Needs:

 Schold offers custom builds of the VRS Rotor Stator to fit your specific process requirements. Whether you need a different size, speed, or configuration, the equipment can be tailored to meet your exact needs.

Easy Integration:

 The VRS Rotor Stator is designed for seamless integration into existing production lines. Its compact and robust construction ensures it can handle the demands of high-speed production environments while maintaining reliability and ease of use.

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