| Impeller Type | Central / off center Baffles: 0 / 2 / 3 / 4 Blades: 2 / 3 / 4 Stages: 1 |
|---|---|
| Flow Direction | Radial |
| Preferred Arrangement | Center Mounted |
| Blending | • • |
| Suspending | • • |
| Dispersing | • • |
| Heat Transfer | • • |
| Gassing | • • |
| Flow Range | Laminar / Transitional |
| Viscosity Range | 1 - 5000 |
| Features | - Universal mixing impeller for a wide viscosity range - Variable blade angles (standard versions with 45° to 90°) |
| Diameter Ratio | 0.7 – 1.2 [d1 / d2] |
| Speed | 30 - 300 |
| Tip Speed | 1 - 5 [ft/s] |
Gate agitators, also known as gate blade agitators, are a type of radial flow agitator commonly used in various industries for specific mixing applications. These agitators are characterized by their unique gate-shaped blades that create radial flow patterns within the mixing vessel. Here are some key features and characteristics of gate agitators:
Due to their effective mixing capabilities, gate impellers are commonly used in industries such as chemical processing, wastewater treatment, food and beverage, pulp and paper, and various other applications involving solids suspension and gentle mixing of high-viscosity materials. Their ability to handle a wide range of fluid viscosities and promote solids suspension makes them valuable tools in various industrial processes.
Gate agitators, also known as gate blade agitators, find application in various industries where their specific features and capabilities are advantageous. Here are some common industries where gate impellers are extensively used:
Gate agitators are selected for their ability to handle high-viscosity fluids, promote solids suspension, and provide gentle mixing, making them suitable for processes where shear-sensitive materials or dense mixtures need to be processed effectively. Their design is particularly advantageous in rectangular or square tanks where the gate blades can sweep the entire tank volume. The versatility and scalability of gate impellers make them valuable tools in a wide range of industrial applications.
Computational Fluid Dynamics (CFD) helps our engineering team study how the impeller moves liquid inside a tank before finalizing agitator speed, impeller diameter, shaft position and baffle arrangement. For industrial impellers, CFD visualization is useful for reviewing circulation, velocity distribution, turbulence level and possible dead zones.
At Premix Technologies, CFD review supports practical agitator and impeller selection for blending, solid suspension, heat transfer, gas dispersion, slurry handling and process mixing applications. The video below demonstrates how flow lines and velocity distribution can be reviewed to improve mixing efficiency and reduce uneven circulation inside the vessel.
CFD flow visualization for agitator and impeller mixing performance review.
Technical answers about selection, operation, materials, controls and application requirements.
Gate Agitator in India is a mixing solution designed to create the required circulation, suspension, dispersion, blending or heat-transfer performance for its intended process.
It is used in process tanks or vessels where the product, tank geometry and mixing objective match the equipment duty.
Impeller selection depends on viscosity, density, solids, gas rate, shear sensitivity, tank geometry and the required flow pattern.
RPM, impeller diameter, power and torque are selected together using process properties, tank dimensions and the required mixing intensity.
Yes, when the complete operating range is included in the design basis and the motor, gearbox, shaft and impeller are checked at the worst condition.
Carbon steel, SS304, SS316, SS316L, duplex, coated steel and selected non-metallic constructions may be used depending on corrosion, abrasion and hygiene requirements.
Baffles, sealing and mounting depend on tank geometry, vortex risk, pressure, vacuum, chemical hazard and maintenance requirements.
Provide tank diameter and height, operating volume, density, viscosity, temperature, pressure, solids, process objective, material and seal requirements.
Premix Technologies designs Gate Agitator in India from actual tank geometry, fluid properties, process duty and mechanical-design requirements.
