SIZE REDUCTION & AIR CLASSIFICATION · SINCE 1883 · ISO 9001:2015 CERTIFIED
We Solve the hardest particle size problems on Earth
Engineered-to-order mills, crushers, and air classifiers for pharma, battery materials, food grade, pigments, aggregates, and more. Tell us your industry — we’ll find your solution.
SINCE
1883
140+ Years
CERTIFIED
ISO 9001
:2015
I WORK IN...
Our Products
Built for the toughest material processing jobs.
We are committed to being the premier global provider of material processing solutions for both conventional and leading-edge size reduction and air classification challenges around the world. Your success is our success and it all starts by delivering you the highest quality industrial-grade products.
Mills
Our engineered-to-order mills help solve your advanced dry material reduction, separation, and air classification challenges no matter your industry.
Crushers
These heavy duty machines ensure controlled size reduction for your customers’ toughest material processing jobs.
Air Classifiers
Our precision particle separation and air classification solutions deliver consistent, quality results every time.
STURTEVANT TEST FACILITY
Send us your material. We'll prove it.
Our fully equipped test facility lets you see exactly how Sturtevant equipment handles your specific material before you commit. Work onsite with our engineers, observe the results, make a data-driven decision.
140+
Years solving particle size problems
9
Key industries served globally
ISO
9001:2015 Certified
OEM
ALL replacement parts to spec
Parts + Service
We don't just build it. We stand behind it.
We are dedicated to helping you achieve success. From our engineered to order material size reduction and air classification solutions to our unwavering commitment to supporting you to solve both conventional and complex challenges.
Field
Operator training, quality control, and economic viability consulting at your facility.
Remanufacturing
Equipment rebuilt to OEM specs for efficient, safe, like-new operation.
Lab Testing
Fully equipped test facility. Test your material with our engineers before you buy.
Parts
Wide range of replacement parts in stock, all manufactured to OEM specifications.
Why CHOOSE STURTEVANT?
TRUSTED SOLUTIONS for MOre than 140 Years
heritage
customer-dedicated
Our Hanover, MA test lab runs your actual material before you commit, with guaranteed results down to 0.25 microns. After the sale: OEM-spec parts in stock, factory remanufacturing, operator training, and a 24-hour callback if you reach us after hours.
Global leaders
Air Classifiers Shipped to 150+ Countries.
More fluid energy mills sold and engineered than any company on earth, and one of the largest installed bases of mills and classifiers anywhere. ISO 9001:2015 certified. Still family-owned, so the person who answers the phone actually knows your machine.