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Which is right for my application…Paddle, Ribbon or Hybrid? The simple answer is: It depends. Many considerations come into play when selecting the proper agitator, but at Marion Process Solutions the answer ALWAYS starts with a solid one-piece shaft crafted to ensure less than .005” of run-out. There are many reasons why this is important. If you are considering anything else, please give us a call first and request our technical analysis on agitator shafts. Let’s consider the different options:


Scoop, lift, tumble, scoop, lift, tumble... the gentle nature of the paddle agitator is optimal for mixing solids or liquids of dissimilar size, shape, density and viscosity. Materials travel in a 3-dimensional figure-8 pattern constantly pulling from the end of the mixer to the middle, and can work effectively down to 20% of rated capacity. Paddle agitators can be all welded, bolted, or a combination of both depending on the job at hand.

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The double ribbon is ideal for low density, free-flowing materials that are of like size and shape. The inner and outer ribbons move ingredients from end–to-end in opposite directions, and the blending action occurs by rolling material back and forth. Our continuous spiral has no gaps between flightings, ensuring uninterrupted flow and eliminating the potential for pockets of stagnant material.

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The double-reversing design creates a mixing combination of the figure-8 movement of the paddle style with the scrubbing action of a ribbon blender. This translates into increased energy being transferred into the ingredients, and even product levels inside of the trough.

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For abrasive applications where wear becomes a concern, we have numerous bolted configurations to handle the really tough stuff.  Add the ability to swap old for new blades when the need arises, and the economics of your Marion machine increases exponentially - for the long haul.