Name: Scaba STA vertical agitator
Brand: Sulzer

Main benefits

Optimized mixing through precise agitation control and unmatched application know-how
Reduced energy costs with high-efficiency propellers
Robust design for long-lasting, reliable performance
Expert assistance and rapid global support
Easy maintenance and minimized downtime with a modular design

Main applications

The Scaba STA is designed for flexibility, agitating a wide range of media in diverse tank setups.
- Water, wastewater, and other water-like media
- Viscous liquids
- Non-Newtonian liquids
- Organic sludge (e.g. from wastewater processes)
- Inorganic sludge (e.g. mineral slurries)
- Mineral suspensions
- Chemicals
- Paper pulp

High-quality Scaba STA agitators – optimized mixing performance, flexible design, and low power consumption.

Main design features

High-efficiency propellers for low power consumption and improved mixing
Versatile impeller selection for optimized mixing
Smooth impeller design that minimizes shear in sensitive applications
Long propeller lifetime with reduced wear from efficient hydraulics and smooth design
Reliable, robust gearbox for long-term durability
Rigid output shaft for stable, efficient power transmission
Configured for high reliability with all individual components evaluated for the specific application
Commercial gearbox for quick support and spare parts availability
Optional bottom bearing for enhanced shaft stability
Wide material selection ensures corrosion resistance and long-term performance
Standard flange connection for easy installation and compatibility
Optional lip seal protects against contamination and extends lifespan

Key characteristics

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)

Performance data as standard, with extended options available.

Industries

Water and wastewater
Sulzer offers a broad range of pumps and related equipment for water production and transportation as well as wastewater collection and treatment for municipalities and industries. Our expertise also includes separation technologies, and services on rotating equipment.
Chemical processing
Our solutions for the chemical processing industry include pumping, separation and mixing, as well as services for rotating equipment and infrastructure. We offer experience in classical chemical, plastic, and pharmaceutical production as well as in processing renewable materials.
Fertilizers
Our pumps, mixers and agitators provide durability and reliability for fertilizers production as well as for corrosive and abrasive liquids and high gas content. Our specific industry experience also includes separation processes and servicing of pumps, compressors, turbines, and motors.
Metals
Sulzer’s pumping and mixing solutions for the metal industry are designed for corrosive and abrasive liquids. We offer expertise e.g. for the production of aluminum, copper, nickel, zinc, and precious metals.
Mining
Whether on the surface or underground, the conditions in mines are harsh. Besides the mud, slurry, stones, and rocks, there are large volumes of water to remove in order to keep production moving. Our dewatering pumps are rugged and ready, taking on the toughest drainage and sludge removal.
Pulp, paper and board
Sulzer is the world leader in innovative, reliable, and proven pumping, agitation and mixing solutions for the pulp and paper industry. Our deep process and application knowledge is based on long-term close co-operation with the producers, machinery suppliers and engineering companies.
Biofuels
Biofuels from renewable sources show great potential as sustainable transportation fuel. Based on our experience in demanding processes, we work with customers to develop advanced pumping, mixing, and distillation solutions for the production of biofuels, from pilot to commercial-scale installations.
Food and beverages
Food and beverage production relies on our pumping and mixing solutions. Special pumps and agitators have been developed for sugar, starch, and sweetener production. Separation equipment is often used in beverage manufacturing and our process technologies support purification and concentration.

Case studies

Case studies
See how our solutions create value for customers and learn how we can make your pumping and mixing processes more efficient and profitable.

Documents

Brochures

Scaba STA vertical agitator
pdf

Languages:
EN
SALOMIX and Scaba top-mounted agitators
pdf

Languages:
EN

Products

SALOMIX™ vertical agitators
SALOMIX™ vertical agitators are used for mixing and agitating process liquids in demanding industrial applications.
Scaba top mounted agitator
Scaba top-mounted vertical agitators are used for mixing and agitating process liquids in many industries, including wastewater and industrial applications.

Media releases

Sulzer launches energy efficient Scaba STA vertical agitator
July 03, 2025

A global leader in fluid engineering, Sulzer proudly announces the launch of its new Scaba STA vertical agitator, a cutting-edge solution engineered to deliver excellent reliability, sustainability, and total cost of ownership for industrial mixing applications.