Horizontal colloid mill for precise grinding
Achieve precise particle size reduction and reproducible results with our advanced colloid mill, ideal for homogenizing, emulsifying, and dispersing a variety of materials in continuous operations. Perfect for enhancing the quality and consistency of complex formulations across various applications.

Processes and Mixes Liquids, Slurries, and Powders
The Colloid Mill Type EL from Probst & Class is engineered for high-capacity in-line operations, offering exceptional precision in processing and mixing a wide range of products including coatings, emulsions, and cosmetic bases. Designed with a unique horizontal configuration, it accommodates up to 80,000 liters per hour across various viscosities, making it indispensable for pharmaceutical, food, and chemical manufacturers.
Its functionality revolves around an adjustable stator-rotor system that ensures fine particle reduction through mechanical force, ideal for tasks like de-agglomeration and homogenizing. This model stands out with its capability to integrate standard B3 motors, allowing for customization in motor selection based on operational needs.
Available with a variety of seals and optional heated or cooled housings, the EL model ensures compatibility with diverse processing environments. Compliant with FDA regulations, it suits industries requiring stringent quality standards. The use of high-grade bearings with permanent lubrication minimizes maintenance while enhancing operational reliability. With options for ATEX certification and pharmaceutical-grade finishes, it supports both delicate and demanding applications seamlessly.
Benefits
- Enhances efficiency by handling up to 80,000 liters per hour, ensuring high production rates.
- Customizable motor integration allows for tailored performance to reduce operational costs.
- Adjustable stator-rotor system ensures precise particle reduction, optimizing product quality.
- FDA-compliant seals support stringent hygiene and safety standards across industries.
- Durable design with high-grade permanent lubrication bearings minimizes maintenance needs.
- Applications
- Food,Beverages,Cosmetics,Pharmaceutics,Petrochemical goods,Chemical goods
- End products
- Bitumen sealant,Latex paint,Hummus,Hydrating face masks,Diesel additives,Silicon emulsions,Protein shakes,Lipstick base,Coating pigments,Almond butter,Jam fillings,Antiseptic creams,Aloe vera gel
- Steps before
- Pre-comminution,De-agglomeration,Dispersing
- Steps after
- Sterilization,Packing,Coating,Tablet Pressing
- Input ingredients
- suspensions,ointment ingredients,cream components,gel bases,coating materials,fungicides,fruit juices,vegetable juices,nut pastes,chili paste ingredients,cocoa nibs,ketchup base,mayonnaise ingredients,mustard seeds,sesame seeds,tofu components,bitumen,lubricant bases,waxes,adhesive materials,silicone rubber,inks,latex,metal oxides,pharmaceutical compounds,cosmetic bases,shampoo ingredients,vitamins
- Output ingredients
- smooth ointments,creams,processed gels,homogeneous coatings,emulsified fungicides,clear juices,smooth nut pastes,chili paste,processed ketchup,mayonnaise,mustard,sesame paste,soy milk,bitumen-emulsions,finished lubricants,processed waxes,adhesives,polished silicone rubber,processed inks,emulsified latex,suspensions,pharmaceutical-grade creams,cosmetic creams,shampoo,toothpaste
- Market info
- Probst und Class is known for manufacturing high-performance industrial homogenizers and wet milling equipment, offering customized solutions for dispersing, emulsifying, and grinding applications, with a strong reputation for quality and innovation in the process industry.
- Operation Type
- In-line operation
- Motor Type
- Standard motors
- Capacity
- Up to 80,000 l/h
- Sizes Available
- Eight sizes
- Seal Type
- Single and double-acting mechanical,PTFE lip seals
- Compliance
- FDA requirements for seals
- Milling Gear Adjustment
- Infinitely adjustable
- Connection Types
- Threaded nozzle,flange,tri-clamp
- Material Options
- Standard stator-rotor combinations
- Cooling/Heating Options
- Heated/cooled housing available
- ATEX Version
- Available
- Sanitization
- Version designed for sterilization
- Drive
- IE3 standard motors for various voltages and frequencies
- Pressure Handling
- High inlet pressures and viscosity values
- Lubrication
- Permanent lubrication,high-quality bearings
- Working Mechanism
- Hydraulic and mechanical forces
- Batch vs. Continuous Operation
- In-line Continuous
- Automation Level
- Manual / PLC
- CIP/SIP
- CIP compatible with FDA seals
- Cleaning Method
- Manual / CIP
- Density/particle size
- 0.5–2.5 g/cm³ / 50–1000 µm
- Viscosity
- Low-viscosity to pasty
- Foaming
- Consideration needed
- Agglomeration risk
- Present
- Heat generation
- During milling process
- Orientation
- Horizontal
- Discharge method
- In-line operation
- Size range
- Eight sizes
- Material adjustment
- Standard stator-rotor combinations
- Connection types
- Threaded nozzle,flange,tri-clamp
- Bearing block feature
- Separate bearing block
- Motor type
- Standard B3 motors
- Flow rate
- Up to 80,000 l/h
- Motor configuration
- Standard B3 motors
- Connection types
- Threaded nozzle,flange,tri-clamp
- Milling gear
- Optional milling gears
- Housing options
- Heated/cooled housing
- Explosion-proof version
- ATEX version
- Seal system
- Single and double-acting mechanical seals,lip seals (PTFE)
- Seal conformity
- FDA requirements
- Mobile version
- Skid/mobile version available
- Frequency converter
- Yes
- Motor efficiency
- IE3 standard motors