Ultrafine classifier for precise particle separation
Gain precise control over particle size with this ultrafine classifier, ensuring consistent product quality and improving efficiency across your production processes.

Classifies and Separates Ultrafine Particles
The Ultrafine Classifier MS from Hosokawa Alpine is engineered to provide precise particle separation critical for quality assurance across diverse industry applications, such as pharmaceuticals, food processing, and minerals. This classifier employs a pneumatic feed system, allowing continuous operation while adjusting the classifying wheel speed for unparalleled control over particle size, from d97 = 15 to 150 µm. Ideal for producing high-purity powders and granules, it supports production of end-products like lactose powder, pharmaceutical tablets, and expanded fertilizer granules. With an efficient design that minimizes wear and energy consumption, the Ultrafine Classifier MS offers seamless integration into existing lines, ensuring low operating costs and easy maintenance. Available in wear-protected models for abrasive materials or stainless steel for food and pharmaceutical applications, it can be customized for specific industry needs, promising reliability and performance backed by Hosokawa Alpine’s engineering expertise.
Benefits
- Enhances product quality by achieving precise particle size control.
- Lowers operational costs with energy-efficient design and reduced wear.
- Integrates seamlessly with existing processes for streamlined production.
- Complies with industry standards, ensuring suitability for pharmaceuticals and food applications.
- Minimizes contamination risk with optional wear-protected and stainless steel constructions.
- Applications
- Lithium-ion batteries,Minerals,Pigments,Powder coating,Talc,Chemicals,Food,Recycled materials,Additive manufacturing,Animal feed,Metals,Fertilizer,Bentonite,Cocoa processing,Plastics recycling,Pharmaceutics,Calcium carbonate,Protein shifting,Finegrade chemicals
- End products
- Dishwashing powder,Plastic granules,Cocoa butter,Active pharmaceutical ingredients,Pharmaceutical tablets,Precipitated calcium carbonate,Spices,Recovered carbon black,Titanium dioxide,Industrial wax,Expanded fertilizer granules,Sugar substitutes,Polymeric films,Specialised flours,Talcum powder,Graphite anodes,Bentonite clay products,Soy protein concentrate,Pet flakes,Lactose powder,Recycled plastic pellets,Organic pigments
- Steps before
- Grinding,Emulsification,Drying,Recovery,Extraction
- Steps after
- Packing,Coating,Fine Separation,Sterilization,Final Classification
- Input ingredients
- Talc,Calcium carbonate,Bentonite,Kaolin,Loam,Dolomite,Quartz,Kieselguhr,Pigments,Finegrade chemicals
- Output ingredients
- Ultrafine particles,Classified powders,Fine particles,Rejected coarse particles
- Market info
- Hosokawa Alpine is known for its expertise in manufacturing advanced process equipment and systems for powder and particle processing technology. It has a strong reputation for innovation, quality engineering, and customer-focused solutions in various industries.
- Working range
- approx. d97= 15 to 150 µm
- Throughput capacity
- High
- Energy saving
- Low classifier speed
- Automation
- Stepless adjustment via frequency converter
- Pressure drop
- Low
- Fineness adjustment
- Stepless
- Feed type
- Pneumatic product feed
- Wear protection
- Available
- Material compatibility
- Abrasive materials
- Design material
- Stainless steel (for food/pharma)
- Operating mode
- In-line
- Working mechanism
- Air-flow classifier
- Batch vs. continuous operation
- Continuous
- Energy Saving
- Low classifier speed
- Automation level
- Stepless adjustment
- Air incorporation control
- Classifying wheel adjustment
- Cleaning method
- No rinsing air standard
- Automation level
- Frequency converter
- Density/particle size
- 0.5–2.5 g/cm³ / 50–1000 µm
- Machine footprint
- Compact,space-efficient
- Discharge method
- Coarse and fines discharge via separate outlets
- Feed method
- Pneumatic product feed
- Classifying wheel design
- Conical with inclined vanes
- Wear protection
- Available for abrasive materials
- Structural material
- Stainless steel option for food/pharmaceuticals
- Wear protection
- Available for abrasive materials
- Material of construction
- Available in stainless steel for food/pharmaceuticals
- Use with other equipment
- Classifier head for table roller mill or ball mill circuit