Fristam FS – Shear Blender
High-shear hygienic inline blender designed to create uniform, stable, and fully homogeneous liquid products across food, dairy, pharmaceutical, cosmetic, and chemical processing.
What is the Fristam FS Shear Blender?
The Fristam FS Shear Blender is a hygienic inline high-shear rotor-stator mixer designed to disperse, emulsify, dissolve, and homogenize powders or liquids into liquids and/or create a smoother mouthfeel to pre-mixed products.
Product flows directly through an intermeshing rotor-stator mixing zone where controlled shear energy ensures a rapid particle size reduction, uniform dispersion, and stable emulsification.
This produces consistent texture, controlled viscosity, and repeatable product quality across food, dairy, pharmaceutical, cosmetic, and chemical applications.
The FS is engineered for installation in closed hygienic production lines and supports full Clean-in-Place (CIP) operation, enabling reliable, sanitary, and efficient high-shear inline mixing at industrial scale.
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How the Fristam FS Shear Blender works
- Product is drawn into the rotor-stator mixing head where high rotational speed generates intense shear energy within the processing zone.
- As the rotating teeth pass within approximately 0.5 mm (0.02 in) of the stationary stator teeth, extreme turbulence and mechanical shear disperse particles – breaking down agglomerates and emulsifying product into a fine and uniform structure.
- Centrifugal force then accelerates the homogenized product toward the outlet, ensuring continuous inline processing and consistent final product quality are achieved within the FS Shear Blender, before being transported to the next phase of production.
- The hygienic design supports full Clean-in-Place (CIP) and optional Sterilization-in-Place (SIP) without disassembly, enabling reliable operation in regulated industrial environments.
Fristam FS vs FSP Shear Blenders
Although six rotor-stator combinations are available to achieve the precise shear level required for each application, the Fristam Shear Blender is offered in two primary configurations: the FS and the FSP.
The FS – is designed for maximum high-shear performance, using a dense rotor-stator tooth geometry to deliver intensive dispersion, emulsification, particle size reduction, and full homogenization where the highest product uniformity and stability are required.
The FSP – incorporates an integrated impeller within the rotor to provide additional pumping and product transfer while blending. This dual mixing and pumping-function enables self-feeding operation and gentle product handling, but with slightly lower shear intensity than the FS due to reduced rotor-stator tooth density.
Typical Applications of the Fristam FS Shear Blender
The FS Shear Blender provides controlled inline high-shear mixing, dispersion, emulsifying, and homogenization across hygienic processing industries. It is used wherever uniform product structure, stable emulsions, fine particle size reduction, and repeatable processing performance are critical to final product quality.
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Food and beverage
High-shear emulsification and dispersion for sauces, dressings, mayonnaise, beverages, syrups, flavor emulsions, functional drinks, plant-based liquids, and other structured liquid foods requiring stable texture and consistent viscosity.
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Dairy
Homogenization and stabilization of yogurt drinks, dairy desserts, recombined milk products, protein beverages, cream mixtures, and ice-cream bases where fine dispersion and smooth mouthfeel are essential.
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Pharmaceutical
Preparation of suspensions, syrups, liquid medicines, and excipient dispersions requiring hygienic inline mixing, particle size reduction, and repeatable formulation performance in regulated production environments.
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Cosmetics and personal care
Production of creams, lotions, gels, shampoos, conditioners, and emulsified skincare formulations where smooth texture, phase stability, and uniform ingredient distribution are required.
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Chemical processing
Dispersion of polymers, additives, coatings, resins, and fine chemicals into liquid systems, supporting consistent mixing, controlled viscosity, and stable industrial products.
Key Features of the FS Shear Blender
- High-shear rotor-stator mixing – Creates rapid dispersion, emulsification, and particle size reduction.
- Inline hygienic design – Integrates directly into closed processing systems.
- Consistent, repeatable product quality – Controlled shear ensures uniform structure and stability.
- Robust stainless-steel construction – Provides durability, corrosion resistance, and long service life.
- Full CIP capability – Enables automated hygienic cleaning without disassembly.
Process flexibility – Suitable for dispersion, emulsifying, dissolving, and homogenizing duties. - High viscosity handling – up to 100,000 cP
- 3A Certified
Benefits at a Glance
- Consistent product quality – Uniform particle size distribution and stable emulsions.
- Efficient processing – Rapid dispersion reduces processing time compared with tank mixing.
- Process flexibility – One unit supports multiple high-shear mixing duties.
- Reduced waste and rework – Reliable homogenization improves batch repeatability.
- Hygienic, safe operation – Closed inline processing with automated CIP cleaning.
- Scalable industrial performance – Suitable from pilot scale to full production.
Technical Data
- High viscosity handling: Up to 100,000 cP
- Product wetted surfaces: Blasted, Ground, Wetted, Polished, Electro-Polished, Hardened or Coated.
- Materials standard: Stainless steel, cast or forged, CrNiMo, No. 1.4404 (316L) standard.
- Materials optional: Titanium Hastelloy C, or other precision casting materials e. g. materials with a delta-ferrite content of down to less than 0.5%
- Connection types: Built to suit all modern international preferences.
- Other special customizations: Heating jackets, cooling jackets, drain ports, trolleys.
- Revolution speeds: Up to 5,800rpm
- Shear rates: up to 125,000 1/s
Why Choose the Fristam FS Shear Blender?
- Mixing and product quality: High-shear inline processing for uniform, stable, homogeneous liquids.
- Efficiency and cost reduction: Faster processing, reduced waste, and improved repeatability.
- Health, safety, and operation: Closed hygienic design with simple integration and CIP cleaning.
- Hygiene and cleaning: Fully CIP/SIP capable for sensitive regulated industries.
- Design and integration: Durable stainless-steel construction with scalable installation options.
Downloads for FS Shear Blender
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