What is a Centrifugal Classifier?
A centrifugal classifier, also known as a centrifugal air separator or powder classifier, separates powder particles by size. It uses centrifugal force and airflow to achieve this process: the machine spins the powder feed at high speeds inside a rotating chamber. This action generates a strong centrifugal force that pushes coarser particles outward, while an airflow carries away the suspended finer particles.

How It Works
Powder feed entry: Material enters the classifier and is caught in the spinning rotor.
Centrifugal force: The rotor’s fast rotation forces larger, heavier particles toward the outer wall.
Airflow separation: A controlled airflow lifts finer particles toward the classifier’s outlet.
Particle size classification: By adjusting the rotor speed and airflow, the classifier separates powders typically ranging from 32 to 250 micrometers.
This process efficiently grades and classifies dry powders, making centrifugal classifiers ideal for applications requiring precise particle size control, such as quartz powder grading or mineral fines separation.

Why Choose Centrifugal Classification?
Centrifugal classification stands out compared to traditional screens and hydrocyclones for several key reasons. It offers sharper particle size separation, improved efficiency, and less maintenance hassle. Here’s why it makes sense for powder separation, especially in U.S. industries like mineral processing and quartz powder grading:
| Advantage | Centrifugal Classifier | Traditional Screens | Hydrocyclones | 
| Separation Accuracy | High precision, tighter cut points | Lower accuracy, often less consistent | Moderate accuracy | 
| Wear & Tear | Less abrasion; wear-resistant linings | Screens prone to tearing and blinding | Abrasion can be severe on liners | 
| Particle Size Range | Handles powder from 32-250μm easily | Struggles with finer powders | Good for coarser particles | 
| Energy Efficiency | Uses less power with adjustable airflow | Requires more power & frequent cleaning | Moderate power consumption | 
| Maintenance | Simple bolt-on parts, easy to maintain | Frequent screen replacements | Needs routine liner replacement | 
| Dry Powder Handling | Excellent for dry applications and inertial classification | Screens can clog with dry powders | Mostly wet or slurry feeds | 
In short, choosing centrifugal classification means better control over particle sizes with less downtime. It’s a smart choice if you want reliable, low-maintenance powder separation without the headaches of traditional methods. This makes it ideal for American manufacturers looking to boost production quality while cutting operating costs.
EPIC CTC Series Features and Benefits

The EPIC CTC Series centrifugal classifiers stand out for their smart design and reliable performance. Here’s what makes them a solid choice for powder classification:
Wear-resistant linings: Built with durable materials that reduce wear and tear, ensuring a longer machine life even with abrasive minerals.
Adjustable airflow: Easily tune the airflow to control cut points, giving you precise particle size classification between 32-250μm.
Energy efficiency: Designed to optimize airflow and motor power, cutting down on your energy costs without compromising output quality.
Compact and modular design: Saves valuable floor space and simplifies installation or maintenance.
Consistent quality output: Thanks to the inertial air classifier setup, you get uniform particle separation every time.
| Feature | Benefit | 
| Wear-resistant linings | Longer equipment lifespan | 
| Adjustable airflow | Hassas parçacık boyutu kontrolü | 
| Energy-efficient system | Reduced power consumption | 
| Modüler tasarım | Easy setup and maintenance | 
| Stable classification | High-quality powder grading | 
For detailed specs and more about the CTC Series, check out the official Centrifugal Classifier page. This model is especially suited for quartz powder grading and other fine mineral processing needs.
Technical Specifications of EPIC CTC Series Centrifugal Classifiers
Here’s a quick look at the key specs that make the EPIC CTC Series effective for powder classification, especially for the U.S. market:
| Specification | Details | 
| Particle size range | 32 – 250 μm | 
| Capacity | 500 to 3000 lbs/hr (depends on model) | 
| Power requirement | 5 to 20 HP (variable by size) | 
| Materials | Stainless steel & wear-resistant linings | 
| Models available | CTC-500, CTC-1000, CTC-2000, CTC-3000 | 
Particle size range: Perfect for fine powders like quartz powder grader and mineral fines separator applications.
Capacity: Handles a wide range of volumes to fit small labs or large production floors.
Power: Energy efficient motors designed to optimize your operational costs.
Build materials: Heavy-duty stainless steel frames with wear-resistant linings to reduce downtime and extend life.
Model options: Choose a model based on your production scale—whether you run low volumes or high output.
This combination ensures you get consistent particle size classification with flexibility and durability, ideal for dry powder separator needs across industries in the United States.
Applications and Case Studies
The EPIC CTC Series Centrifugal Classifier is a solid choice for various powder classification needs across industries in the U.S. Here’s where it shines:
Quartz Powder Grading: Perfect for separating quartz powder between 32-250μm, ensuring fine, consistent particle size for uses like glass making or electronics.
Fly Ash Classification: Helps power plants and cement manufacturers achieve precise fly ash particle sizes, improving concrete strength and reducing waste.
Mineral Processing: Ideal for sorting mineral fines, enhancing ore quality and recovery rates in mining operations.
These classifiers deliver reliable, consistent grading and are proven in heavy-duty use cases where accuracy and durability matter most. If you’re working with dry powders and need sharp particle size classification, EPIC’s centrifugal air separator fits the bill.
Installation and Maintenance Guidelines for Centrifugal Classifier
Installing the EPIC CTC series centrifugal classifier is straightforward. The unit features a simple bolt-down setup, so you can get it secured quickly without specialized tools or extra parts. This makes it ideal for busy plants in the U.S. where downtime needs to be minimized.
Installation Tips
Stable foundation: Make sure the floor or platform is level and strong enough to support the machine’s weight.
Proper airflow connections: Check all ducting to ensure airtight seals; this keeps classification efficient.
Power supply: Confirm the electrical setup matches the unit’s specifications to avoid power issues.
Maintenance Made Easy
Keeping your centrifugal air separator in top shape just takes a bit of regular care:
Routine inspection: Check wear-resistant linings for signs of damage or thinning.
Clean regularly: Remove dust buildup, especially around the airflow system, to maintain performance.
Lubricate moving parts: Follow the manual’s schedule to avoid any mechanical wear.
Monitor performance: Watch for shifts in cut point accuracy, which may signal the need for adjustments or repairs.
Troubleshooting Quick Fixes
When problems arise, these steps often resolve common issues:
Inconsistent particle sizing: Verify airflow settings and check for blockages.
Unusual noises: Inspect bearings and motor mounts for looseness or wear.
Reduced capacity: Clean filters and separator chambers from any clogged materials.
Just a bit of planned maintenance ensures your centrifugal classifier runs reliably and keeps powder classification precise for years.
Why EPIC Powder Machinery?
Choosing EPIC Powder Machinery means you’re getting top-notch German engineering combined with reliable US-based support. Our centrifugal classifiers, including the EPIC CTC series, are built to deliver precision and durability for powder classification tasks, especially in quartz powder grading and mineral processing.
Here’s why EPIC stands out:
Precision and Performance: German design ensures stable and accurate particle size classification.
Local Support: Fast, responsive customer service right here in the US to keep your operations running smoothly.
Proven Reliability: Customers across the country trust EPIC for consistent results and energy efficiency.
Real Feedback: Our client testimonials highlight easy installation, minimal downtime, and excellent product quality.
EPIC Powder Machinery focuses on making your classification process easier while boosting productivity. For more on our centrifugal air separator technology, check out our CTC series classifier page.
Frequently Asked Questions (FAQs)

How accurate is the cut point on the Centrifugal Classifier?
The cut point is very precise, typically separating powders between 32-250μm. You can expect consistent particle size classification, which makes it reliable for fine quartz powder grading and mineral fines separation.
Can the EPIC CTC Series handle wet feeds?
These classifiers are designed mainly for dry powder separation. Wet feeds are not recommended because moisture can affect airflow and classification efficiency. For wet materials, other equipment like hydrocyclones might be more suitable.
What types of powders can it classify?
The centrifugal air separator works well with a range of powders—quartz powders, fly ash, mineral fines, and similar dry materials needing tight particle size control.
Is it easy to adjust airflow and classification settings?
Yes, the CTC Series features adjustable airflow controls, letting you fine-tune separation to fit your specific product needs.
How often does maintenance need to be done?
Routine checks and cleaning every few weeks are usually enough to keep things running smoothly. The wear-resistant linings help reduce downtime.
Can it replace traditional screens or hydrocyclones completely?
For dry powder classification, yes. It offers better efficiency and energy savings, but for wet or sticky materials, you might still need complementary equipment.
Is the classifier energy-efficient?
Absolutely. The design minimizes power use compared to older technologies, saving money in the long run.
If you have other technical questions or want advice specific to your application, feel free to reach out—we’re here to help.
Ready to Buy? Get Support Now
Looking for a centrifugal classifier that fits your needs? We’re here to help with easy buying and solid support.
How to Get Started
| Step | What You Get | How We Help | 
| Request a Quote | Accurate pricing for your project | Fast responses from our team | 
| Schedule a Demo | See the EPIC CTC Series in action | Live or virtual demos available | 
| Explore Related Products | Find complementary equipment | Custom solutions for your setup | 
Why Choose Us for Support?
Expert advice tailored for U.S. industries
Reliable customer service ready to troubleshoot
Access to parts and maintenance help nationwide
Want to discuss your project? Contact us now and get the best centrifugal air separator designed for quartz powder grading, mineral fines separation, and more.
Explore our centrifugal classifier models to find the right fit or schedule a demo today!

