Fusion Fluid Equipment
Mixing Impellers by Fusion

Fusion Fluid Equipment offers a wide array of mixing impellers with specific performance characteristics to meet most applications. All of our impellers come standard in 316 Stainless Steel, but 304 Stainless Steel, Aluminum, and Carbon Steel versions of most impeller styles are available. We also offer a wide variety of surface treatments, including polishing, coatings, and passivation processing. If one of our standard mixing impellers doesn't satisfy your needs, we can design and fabricate a custom mixing impeller to fit the bill. We love the challenge of custom impeller design and fabrication! Contact Fusion Fluid Equipment to discuss your application!

 

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Marine Prop

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Marine Style Mixing Impeller

Power Number (Np) = 0.34
Flow Number (Nq) = 0.5

The marine propeller is the most common type of mixing impeller. Because the design has its roots in the marine propulsion industry, it is the most effective axial pumper at higher mixing speeds. It is most commonly used with direct drive mixers operating 900-1800RPM. This impeller fits the most common shaft sizes (5/8" to 1-1/4") and comes standard in investment CAST 316 Stainless Steel. The Power and Flow numbers shown above reflect 1.0 pitch/diameter ratio. Fusion also offers 1.5 pitch/diameter ratio upon request.

PF3 Hydrofoil

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PF3 Hydrofoil

Power Number (Np) = 0.3
Flow Number (Nq) = 0.5

The modern design of this impeller provides excellent pumping ability with a strong axial flow. While useful in most applications, this design excels in thinner fluids that are susceptible to settling and provides the MOST pumping per unit of torque (more bang for your buck). This impeller is available as a welded or bolted assembly. The PF3 impeller can be fabricated to fit ANY shaft diameter and comes standard in 316 Stainless Steel, but 304 Stainless Steel, Aluminum, and Carbon Steel versions are also available. Various surface finishes are available. Fusion also offers high-viscosity designs (10,000 cP +) for special applications requiring axial flow in thick fluids.

Pitch Blade Turbine Impeller

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Pitch Blade Turbine (PBT)

Power Number (Np) = 1.27
Flow Number (Nq) = 0.79

This impeller is the workhorse of the mixing industry. The simple design of this impeller provides a combination of both radial and axial flow, generates high shear levels, and provides excellent mixing ability while providing easy cleanup. Because of the simple design, it is also very cost effective in large applications and high viscosity applications. While useful in most applications, this design excels in heavy mixing. The PBT impeller can be fabricated to fit ANY shaft diameter and comes standard in 316 Stainless Steel, but 304 Stainless Steel, Aluminum, and Carbon Steel versions are also available. Various surface finishes are available.

Rushton Turbine Impeller

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Rushton Turbine

Power Number (Np) = 5.75
Flow Number (Nq) = 0.72

The Rushton impeller, named after its designer, is one of the first mixing impeller designs to be documented. The classic design of this impeller provides a simple radial flow pattern that moves material from the center of the vessel outward where it flows along the outer walls of the tank. It is most commonly used in reactor tanks, two phase mixing (liquid/gas), and any application requiring INTENSE mixing. This impeller can be fabricated to fit ANY shaft diameter and comes standard in 316 Stainless Steel, but 304 Stainless Steel, Aluminum, and Carbon Steel versions are also available. Various surface finishes are available.

Cowles/Sawblade Impeller

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Cowles / Sawblade

Power Number (Np) = 0.45
Flow Number (Nq) = 0.26

The Cowles/Sawblade design of this impeller provides mixing by generating high shear levels. This design is most commonly used in applications where the high shear levels are needed to prevent clumping. The Cowles/Sawblade is suggested for use in wetting out powders, dispersing fine solids, and creating emulsions. This impeller can be fabricated to fit almost any shaft diameter and comes standard in 316 Stainless Steel, but 304 Stainless Steel versions are also available. 304 Stainless Steel Sawblades can be hardened for abrasive mixing applications. Various surface finishes are available.

BioProp

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BioProp

Power Number (Np) = 0.4
Flow Number (Nq) = 0.45

The Bio Prop was developed by Fusion engineering and our key biotech distributors to serve the sanitary and biotech markets. This new design provides excellent pumping ability while providing easy cleanup. The most important characteristic of this impeller is that it provides similar performance to the marine propeller, but it is fabricated from mill stock. Impellers from polished mill stock do not have the casting porosity commonly found in Marine style impellers. This impeller can be made to fit ANY shaft diameter. It comes standard in 316 Stainless Steel, but can also be fabricated in numerous other alloys as well. Various surface finishes are available.

Retreat Impeller Pricing

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Retreat

Power Number (Np) = 2.52
Flow Number (Nq) = 0.74

The unique design of this impeller provides a simple radial flow pattern that moves material from the center of the vessel outward where it flows along the outer walls of the tank. An added benefit to this design is that it provides radial flow with a significantly low amount of shear, making it perfect for shear sensitive fluids. Due to the skewed blade design, the Retreat also resists build-up of fibrous solids on the blades. This impeller can be fabricated to fit ANY shaft diameter and comes standard in 316 Stainless Steel, but 304 Stainless Steel, Aluminum, and Carbon Steel versions are also available. Various surface finishes are available.

Folding Drum Impeller

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Folding Drum Impellers

Power Number (Np) = 0.5
Flow Number (Nq) = 0.5

Folding impellers are most commonly used in mixing applications where access to the vessel is limited, such as with 55 gallon drums. Fusion's folding drum impeller design is essentially a two-bladed, pitch blade turbine impeller design, where the blades fold down against the shaft when not in use. The folding design allows the impeller and shaft to be inserted and retracted through a 2" NPT bung hole typically found in drum lids. Fusion's design allows the impeller to slide up the shaft allowing for dual impellers on shafts up to 3/4"OD.

This design provides a combination of both radial and axial flow, generates high shear levels, and provides excellent mixing ability while allowing easy installation and removal.

Fusion's folding drum impellers come standard in 316 Stainless Steel with standard mill finish. We can also design and produce custom folding drum impellers to address access problems specific to your application. Custom materials such as 304 Stainless Steel, Aluminum, Solid Teflon, and Carbon Steel versions are also possible with custom surface finishes.

 Folding Tote Impeller

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Folding Tote Impellers

Power Number (Np) = 0.5
Flow Number (Nq) = 0.5

Folding impellers are most commonly used in mixing applications where access to the vessel is limited, such as with IBC-style tote containers. Fusion's folding tote impeller design is essentially a two-bladed, pitch blade turbine impeller, where the blades fold down against the shaft when not in use. The folding design allows the impeller and shaft to be inserted and retracted through the opening on the top of the mixing tote. Fusion's design allows the impeller to slide up the shaft allowing for dual impellers on shafts up to 3/4"OD.

This design provides a combination of both radial and axial flow, generates high shear levels, and provides excellent mixing ability while allowing easy mixer installation and removal.

Fusion's folding tote impellers come standard in 316 Stainless Steel with standard mill finish. We can also design and produce custom folding tote impellers to address access problems specific to your application. Custom materials such as 304 Stainless Steel, Aluminum, Solid Teflon, and Carbon Steel versions are also possible with custom surface finishes.

Helix Impellers

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Helix Impellers

Helix/Anchor impellers can be designed and produced in a range of sizes with various materials, including 304 Stainless Steel, Hastelloy, Aluminum, or Carbon Steel. Various surface treatments are available as well to support your application and process requirements.

Custom Impellers

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Custom Impellers

Custom impellers can be produced to your exact specifications supporting your specific tank geometry and protected proprietary processes. We can also design and produce replacement impellers, or modified and hybrid versions of other designs in a variety of materials, including 304 Stainless Steel, 316 Stainless Steel, Hastelloy, Aluminum, or Carbon Steel.

Standard Mill Finish Sanitary 32Ra Finish BioPharm 20Ra Finish Electropolish Finish