Description
Sulzer Agitators and mixers Vertical agitators Scaba STA vertical agitator -Ready to optimize your mixing process?
Key Technical Specifications:
| Temperatures | Up to 120°C / Up to 248°F |
| Power | 0.25 to 55 kW / 0.35 to 75 hp |
| Impeller diameter | 400 to 3’000 mm / 16 to 118 in. |
| Shaft length up to 6 shaft steps | max. 30 m / max. 100 ft. |
| Shaft type | Solid or pipe shafts |
| Gearbox type | Parallel shaft drive with hollow shaft |
| Motor options | Gearmotor or gearbox with motor adapter (IEC or NEMA) |
Why Choose Sulzer Scaba STA Vertical Agitators?
The Scaba STA series is designed for reliable , efficient mixing in a wide range of industrial applications. With its vertical , top-mounted configuration , the STA provides strong axial and radial flow , ensuring complete blending , suspension , and homogenization of liquids and slurries. Built with a modular design and robust construction , it offers long service life , low maintenance requirements , and consistent process performance even in demanding conditions.
Key Technical Specifications
Mounting Type: Vertical , top-mounted agitator for tanks and reactors
Drive System: Available in direct drive or gear-reduced versions for optimum speed and torque
Impeller Type: Scaba high-efficiency impellers (e.g. , hydrofoil , pitched blade , or anchor) tailored to process needs
Materials & Build:
Wetted parts in stainless steel , duplex steel , or coated carbon steel for corrosion and wear resistance
Heavy-duty shaft and bearing assembly for stability under high loads
Sealing options include single or double mechanical seals , lip seals , or stuffing boxes
Serviceability: Modular components allow easy access for seal and bearing maintenance without removing the agitator from the tank
Operating Limits
Power Range: From 1.5 kW to over 500 kW
Shaft Length: Designed to match tank height and process depth
Impeller Diameter: Customized for required mixing intensity and flow pattern
Operating Temperature: Up to +200 °C (material dependent)
Operating Pressure: According to vessel design and sealing specification
Typical Applications
Pulp and paper stock preparation , bleaching , and storage tank mixing
Water and wastewater treatment for sludge mixing and chemical blending
Chemical and petrochemical processing for reactions and homogenization
Food and beverage mixing where hygiene and consistency are essential
Mining and minerals for slurry suspension and leaching processes
Additional Features
Modular design allows flexible configuration for different tank sizes and process requirements
High-efficiency impellers reduce energy consumption while maintaining optimal mixing performance
Designed for continuous operation in abrasive , corrosive , or high-temperature environments
Easy maintenance with long service intervals to reduce downtime
Available with variable speed drives for process flexibility
