Intended use
SAG circuits are evaluated for high-throughput ore preparation after primary crushing.
Grinding · Process equipment engineering
SAG Mills
Engineered for the process.
High-capacity primary grinding systems reducing coarse ore through autogenous action assisted by a controlled ball charge.
Technical data
Technical range
| Model | Diameter (mm) | Length (mm) | Volume (m³) | Mill speed (rpm) | Motor power (kW) | Liner type |
|---|---|---|---|---|---|---|
| EST-SAG-3600 | 3.600 | 2.000–3.000 | 14–24 | 17,4 | 315–500 | Çelik / Kauçuk / Kompozit |
| EST-SAG-4000 | 4.000 | 2.000–3.000 | 18–29 | 16,5 | 400–630 | Çelik / Kauçuk / Kompozit |
| EST-SAG-4500 | 4.500 | 2.200–3.500 | 26–45 | 15,5 | 560–1.000 | Çelik / Kauçuk / Kompozit |
| EST-SAG-5000 | 5.000 | 2.500–3.500 | 38–56 | 14,7 | 800–1.200 | Çelik / Kauçuk / Kompozit |
| EST-SAG-5500 | 5.500 | 2.500–3.700 | 46–72 | 14,0 | 1.000–1.600 | Çelik / Kauçuk / Kompozit |
| EST-SAG-5700 | 5.700 | 2.500–3.700 | 49–78 | 13,7 | 1.100–1.700 | Çelik / Kauçuk / Kompozit |
| EST-SAG-6750 | 6.750 | 2.800–4.000 | 80–120 | 12,6 | 1.700–2.600 | Çelik / Kauçuk / Kompozit |
| EST-SAG-7500 | 7.500 | 3.200–4.200 | 115–157 | 11,9 | 2.400–3.800 | Çelik / Kauçuk / Kompozit |
| EST-SAG-8000 | 8.000 | 3.500–4.500 | 146–194 | 11,5 | 3.000–4.500 | Çelik / Kauçuk / Kompozit |
| EST-SAG-8500 | 8.500 | 3.700–4.700 | 176–230 | 11,2 | 3.700–6.000 | Çelik / Kauçuk / Kompozit |
| EST-SAG-9000 | 9.000 | 4.000–5.000 | 214–273 | 10,9 | 5.000–7.500 | Çelik / Kauçuk / Kompozit |
Working principle
Ore fragments and a controlled ball charge act together as the grinding medium; ore competency is a primary selection input.
Role in the process
The primary grinding stage feeding ball milling, classification or downstream concentration.
Process integration
Engineered as part of the complete grinding circuit.
Feeding, grinding, classification, recirculation and product collection are evaluated as one connected process.
Quotation basis
Price follows the verified process scope.
A reliable quotation requires material, duty and site inputs; a fixed price is not published without an engineering review.
Interactive product anatomy
Explore the process anatomy of a SAG mill.
Interact with the large-diameter shell, ore and ball charge, liner-lifter system, main bearings and drive architecture.
3D MODEL COMING SOONThe interactive 3D model for this product is currently being prepared.Once completed, the model will be available here for full 360° inspection.
Engineering basis
Selection starts with process data.
Final capacity, motor power and dimensions are confirmed only after material and site inputs are evaluated.
Selection criteria
Ore competency and breakage behaviourFeed size and throughputTarget product distributionCircuit modellingPower and liner evaluationConstruction and subsystems
- Large-diameter mill shell
- Heavy-duty bearings and drive
- Liner and lifter system
- Feed, discharge and lubrication
Options and configurations
- Project-specific discharge
- Alternative drive architecture
- Trommel integration
- Classification integration
Typical applications
- Metal ores
- High-throughput ore preparation
- Primary grinding circuits
Production and field
Visual evidence
Engineering insights
Understand the process behind the equipment.
Technical request