Description
The Propeller R in the Blade System
The marine-style propeller that most Three-One benches run first: strong axial flow, low shear, fast turnover of thin liquids. Heidon’s blade selection chart places the Propeller R in the circulation column for thin liquids up to about 1,000 mPa·s: water, juices, oils, solutions. Supplied as SUS-316 tip, SUS-316 boss, or Titanium tip. A reverse-twist L version is available on request for shafts turning the opposite direction.
Choosing It Over the Alternatives
- Strong discharge: axial flow pulls material down the shaft and up the walls, the circulation pattern thin batches need
- Vessel match: above 10,000 mPa·s, choose a blade diameter of at least 60 percent of the vessel diameter; below that, a ø50 mm blade suits bench vessels from beakers to small tanks
- Multi-stage mixing: boss mount versions clamp at any height and stack two or three deep on one shaft
In the Box and On the Shaft
Blade only; shafts are sold separately and in the FS blade sets. Fits every Three-One Motor mixer that takes the ø8 mm shaft. Backed by our One-Year Total Care Warranty covering parts, labor, and specification compliance.
Need the shaft too? The ø8 mm Mixing Shaft SUS-316 comes in five lengths with the retaining nut included.


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