Rotomaxx II Low-Speed Large-Capacity Sanitary Agitator
OVERVIEW
Rotomaxx™ II is a low-speed sanitary agitator engineered for large vessels where uniform circulation and repeatable batch results depend on efficient, low-shear tank turnover. It’s typically chosen when you need dependable bulk flow, gentle blending, and consistent temperature/ingredient distribution—without the intensity of high shear mixing.
Use this page to match Rotomaxx™ II to tank volume, shaft length, and impeller style. If you’re deciding between low shear agitation and rotor/stator high shear, start with our high shear mixer guide for the decision framework, then return here to configure Rotomaxx™ II for your vessel.
Key Features:
- Tank volumes up to 60,000+ gallons (227,000 liters)
- Total washdown capability with 3-A TPV #73-01 compliance
- Impeller shaft available up to 144″
- Maintenance free, greased-for-life, sealed bearings in the bearing frame
- Up to 15 horsepower input
- Motors are 300 series stainless steel
- Flex couplings between motor/gearbox and gearbox/drive shaft provide vibration damping and shock load protection to drive components
HOW IT WORKS
The principle of operation for the Rotomaxx II is similar to the Rotomixx portable mixer and other top-entry agitators whereby a motor provides power to drive a shaft, and a bearing frame provides support for the motor, coupling and shaft. At the end of the shaft there is a device for pumping fluid, typically an impeller consisting of 3 blades attached to a central hub. The combination of the speed of the shaft rotation and the orientation and type of blades pump the fluid or liquid into which the impeller is immersed.
Built for durability, the modular design allows for multiple shaft diameter, gear ratio, and motor horsepower combinations with flex couplings between the motor/gearbox and gearbox/drive shaft to protect the gear drive from shock loads and dampen vibrations while isolating shaft bending moment and deflection loads from the torque loads on the gearbox.
The mixing impeller is the heart of the Rotomaxx II agitator and its high flow and rapid mix times. Standard Rotomaxx II units use our Jetfoil™ impeller, providing superior axial pumping rates with minimal power usage.
As a rule of thumb, the Jetfoil provides 200% greater pumping rate over conventional axial blade impellers.
Model Specifications
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Rotomaxx II Options
SEALS
- CIP or vacuum lip seals
- Single mechanical dry running seals
- Double mechanical liquid-barrier seals
MOTORS
- 3/60/230/460 Volts (std.) or 575 Volts
- White Washdown-duty
- 304SS Washdown-duty
- 304 SS Pharmaceutical Grade
(also available in 1/60/115 VAC up to 1.5 HP) - TEXP
MORE
- Variable speed drives
RELATED BLOG POSTS
Customer Story: High Efficiency Agitation with Extended Shaft
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