Attritor is suited for batch, wet-grinding applications.

Press Release Summary:

Along with tank which accommodates 12,000 lb of through-hardened carbon steel grinding media, S-400 features frame design that utilizes pivoting drive cantilever. This facilitates removal of agitator shaft for maintenance and cleaning. Standard configuration also includes 400 hp TEFC inverter-duty motor with heavy-duty variable frequency drive controller.

Original Press Release:

Union Process Introduces S-400 Attritor

Akron, OH. . .Union Process, Inc., known globally as a manufacturer of particle size reduction and dispersing equipment as well as related services for a broad range of research and industrial applications has built an S-400 batch, wet-grinding Attritor for a customer in the roofing industry.

The S-400 represents the largest batch Attritor ever built by the 66-year-old company. Batch Attritors have the advantage of grinding material up to ten times faster than traditional ball mills. They are simple to operate, energy efficient and do not require premixing.

The largest ever batch Attritor has a new frame design utilizing a pivoting drive cantilever which allows for easy removal of the agitator shaft for maintenance and cleaning. The Attritor features a 400 HP TEFC inverter duty motor with a heavy-duty variable frequency drive controller.

The large tank accommodates 12,000 lbs. of through-hardened carbon steel grinding media.

Sales Manager Emery Li commented, "As indicated by this request for the largest ever batch Attritor, our grinding system seems to be an emerging opportunity for the building materials and construction industries. They are finding that Attritors, no matter how large, are reliable workhorses that can handle the needs of virtually any requirement."

Union Process is the inventor and developer of Attritor technology and manufactures wet and dry grinding mills as well as horizontal bead mills.

Attritor is a registered trademark of Union Process, Inc. Attritor is a registered trademark of Union Process, Inc.

Company Contact

Union Process, Inc.

Emery Li


1925 Akron-Peninsula Road

Akron, OH 44313

Agency Contact

Christopher Poznako

330.865.5559 x108

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