Milling Technology

NEXGEN™ Vacuum Recirculation Mill

NEXGEN™ is the state of the art in particle size reduction. Rapid-flow vacuum immersion milling is designed to enhance efficiency and boost profits by reducing process times, increasing yields, and eliminating air entrapment. It facilitates faster, purer particle size reduction and deagglomeration without the hassle of air bubbles in the feedstock.

Design with portability in mind and for tight-fitting spaces. It's the most versatile mill in the market.

Hockmeyer’s NexGen vacuum immersion mill.

Immersion Milling Innovation at Its Best

Machine Features

  • Flexibility for various batch volumes
  • Hook up to any tank: portable or permanent
  • Sanitary fittings for fast and easy cleanup
  • High screen surface area to media ratio
  • Greater media field throughput than any mill on the market
  • Nanoparticle size capability
  • Easy cleanup and minimal waste with 99% product recovery
  • Wide range of screen sizes is available
  • Handles slurry up to 15,000 cps
Model recommended Batch Size Min/Max (Gallons) for maximum efficiency Media Volume (Liters)
Micromill 1 L/1 Gal. 49 ML
HNG-1 5/20 1
HNG - 2.5 15/50 2.25
HNG - 5 35/100 4.5
HNG-10 50/125 8
HNG - 20 150/400 18.5
HNG - 60 400/1000 46


While milling under vacuum, small amounts of air entrapped gas bubbles within the agglomerates begin to expand and push apart the solids. The air separates from the solids and begins to accumulate in the mill’s upper chamber. Once enough air accumulates, it is purged intermittently by the mill, returning to the supply tank and quickly rising to the top where it is released.

Learn how the HNG's Vacuum Milling Enables Purer, Faster Dispersions

Covered by one or more of the following patents: 5,184,783; 5,497,948; 5,820,040; 7,175,118; 7,559.493; 7,828,234; 7,883,036; 7,914,200; 8,182,133; 8,376,252; 8,733,677; 9,597,691 B1


  • NEXGEN™ Vacuum Recirculation Mill


  • Stock Machines & Tanks NEW & USED

    Our dedication to customer satisfaction doesn’t stop with the purchase.

  • A Hockmeyer employee works on maintenance of a NEXGEN immersion milling machine.

    Field Training & Support

    Hockmeyer is dedicated to providing best-in-class support to maintain the lifespan and efficiency of your Hockmeyer equipment.

  • Several parts for Hockmeyer milling machines on a steel work table.

    Equipment Support Program

    Learn about how Hockmeyer can provide dedicated service, maintenance, and training through our Equipment Support Program.

A Hockmeyer employee reviewing testing results.

Test Your Product Free. Schedule a Test Today!

At Hockmeyer, we're committed to making your product the highest quality possible, whether you need milling, mixing, dispersion or agitation. Schedule your product to be tested in one of our demo machines and see the Hockmeyer difference for yourself.

We noticed that your preferred language is not English. In order to translate this page, please use a browser that supports auto translations such as: Google Chrome or Microsoft Edge.