From USA Tolerance Rings

The Tolerance Ring is a precision-engineered device made form a thin spring steel strip of material into which waves, corrugations or bumps are formed.
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Product Announcements
Sturtevant Inc. - Sturtevant Air Classifiers
Sturtevant Air Classifiers balance the physical principles of centrifugal force, drag force and gravity to generate a high-precision method of classifying particles according to size and density. (read more)
Sturtevant Inc. - Classification of Fine Crumb Rubber
The Whirlwind Air Classifier is designed for removing fine powders, but it is also used for removing fiber from shredded/ground tire rubber at 40-60 mesh. (read more)
Sturtevant Inc. - Size Separation for Poultry Rendering
Sturtevant Whirlwind Air Classifier offers an exceptional ability to separate the poultry meal into desired size product shaving different, higher protein, higher mineral & reduced ash content... (read more)
Sturtevant Inc. - Custom Separators, Classifiers and Screeners
Sturtevant Inc. manufactures custom separators, classifiers and screeners to match your specifications. (read more)
Sturtevant Inc. - Air Classifiers - Overcome Screening Limitations
An alternative to wet washing quarried stone is the Sturtevant Whirlwind Air Classifier. As the name states, it uses air instead of water as the method of removing the fine powder from the granular... (read more)
Sturtevant Inc. - Air Classifiers Overcome Screen Limitations
An alternative to wet washing quarried stone is the Sturtevant Whirlwind Air Classifier. As the name states, it uses air instead of water as the method of removing the fine powder from the granular... (read more)
Sturtevant Inc. - Air Classify Pea Protein by Sturtevant
Superfine® Air Classifiers have been used for decades to shift the protein value of pea protein. Sturtevant Powderizer® air classifying mills can be teamed with a Superfine®Air Classifier... (read more)
 

Topics of Interest

Concentrating tables and density separators separate bulk materials or minerals based on the density (specific gravity), size and shape of their particles. Devices that fall within the classification...

Centrifugal separators use centrifugal force to separate solid particles from a liquid solution according to their size, shape, density, viscosity of the medium and rotor speed. The class of...

Solid-liquid separation is concerned with mechanical processes for the separation of liquids and finely divided insoluble solids 11.1. PROCESSES AND EQUIPMENT Solid-liquid is not usually...

REFERENCES 1. Olevskii V.A., Design and calculation of mechanical classifiers and hydrocyclones, Gosgortekhizdat ( 1960). 2. Bond F., Theory of isotope separation, New York,...

1. MULTIPRODUCT SEPARATION Separation with the Yield of the Product in Different Stages In many technological processes it is desirable to separate simultaneously powders into narrow size...