Used HydroFlow / Barnes International Equipment Sold by Meadoworks

Barnes International traces its roots to 1907, when Benjamin F. Barnes founded Barnes Drill Company in Rockford, Illinois, initially serving the automotive industry as a drill and tapping manufacturer. The company pivoted toward coolant filtration in the 1950s, introducing magnetic separators to remove metallic sludge from machine tool coolants. Over subsequent decades, Barnes grew through strategic acquisitions, adding Superior Filtration, Advanced Filtration Concepts, Henry Filters, and — most significantly for the HydroFlow product line — HydroFlow Filtration Systems in 2018. HydroFlow itself had been founded in 1986 by filtration engineers Tom Cassese and Jim Lupien, who specialized in permanent media vacuum filtration for the metalworking and aerospace industries. In 2021, Komline-Sanderson Corporation acquired Barnes International, further expanding the group's manufacturing footprint and engineering resources.

The flagship HydroFlow product line centers on the patented Star Filter, a permanent media vacuum filtration system capable of achieving filtration down to 1–3 microns depending on application. Star Filter systems are typically deployed as central coolant management installations handling flow rates above 250 GPM, with large-scale configurations — such as the HSF-17,000 series — designed to serve dozens of CNC grinders simultaneously from a single centralized dirty tank. The broader Barnes International catalog also includes gravity media filters, pressure filters, vacuum drum filters, magnetic separators, Dyna-Vac vacuum media filters, troughing systems, and oil processing systems, covering flow capacities from 10 GPM up to 20,000 GPM with both permanent and disposable media options.

HydroFlow / Barnes International systems are engineered for industries where coolant cleanliness directly determines part quality and tool life. Core end markets include automotive manufacturing, aerospace engine and component production, medical device machining, general CNC machining and grinding, steel and aluminum rolling mills, and superfinishing operations. The company has been recognized as a General Motors Supplier of the Year and received a Honda Motor Company Sustainability Award, reflecting its deep integration into high-volume precision manufacturing supply chains.

Buyers seeking used HydroFlow / Barnes International coolant filtration systems are drawn to the brand's reputation for heavy-duty, long-service construction and ISO-certified manufacturing quality. Central systems like the HSF Star Filter series are built to run continuously in demanding production environments, meaning well-maintained used units retain strong functional value at a fraction of new equipment cost. Parts and filter media remain commercially available through the Komline-Sanderson network, and the systems' straightforward permanent media design keeps ongoing maintenance costs predictable — making used HydroFlow / Barnes International equipment an attractive choice for shops looking to upgrade coolant management without the capital outlay of new machinery.

Meadoworks is your trusted source for used HydroFlow / Barnes International equipment. As third-generation industrial equipment dealers and AMEA-certified appraisers with over 50 years of experience, we offer quality-inspected HydroFlow / Barnes International machines at competitive prices. Most of our HydroFlow / Barnes International inventory sells before we can list it online — call 800-323-0307 for equipment not yet listed.

Every machine includes detailed specifications and high-resolution photos, and inspection visits are available for most equipment. We ship worldwide with experienced rigging partners and offer financing for qualified buyers. Have HydroFlow / Barnes International equipment to sell? Get a free valuation or contact our team.