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PrestiVac

Metal 3D Printing Powder Recovery

Safe. Contained. Economical.

The powder your process is built on is a combustible, reactive metal dust — and expensive inventory. PrestiVac recovery systems handle both facts at once: ignition engineered out, fines wetted on entry, and the reuse stream protected instead of contaminated.

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Operator with supplied-air protection recovering titanium alloy powder at a metal 3D printer

  • Explosion-Safe Design

    Engineered to NFPA 484 / 660 practice

  • Immersion & HEPA

    Reactive fines wetted on entry

  • Static Control

    Grounded & bonded, verified

  • Maximum Uptime

    Faster machine turnaround

Overview

Powder bed fusion spreads fine metal powder thousands of times per build — and some of it always ends up where it doesn't belong: on the build plate at unpacking, around the sieving station, on the floor after a transfer, and deposited inside the chamber as ultra-fine condensate. Each of those is a recovery task with the same two requirements: no ignition sources in the path, and no dry accumulation of a reactive metal anywhere in the system.

  • Build Chamber Cleanup

    Unpacking & turnaround

  • Powder Handling

    Sieving stations & spills

  • Condensate & Soot

    The finest, most reactive fraction

  • Depowdering

    Part & plate cleanup

Challenges in metal AM

  • AM powders are engineered fine — squarely in the ignitable range for reactive metals
  • Chamber condensate ('soot') is finer and more reactive than virgin powder
  • Brush-and-tray handling lofts the worst fraction at operator height
  • Powder is expensive inventory: recovery method affects both safety and economics
  • Shared cleaning equipment is a cross-contamination path between alloy families
  • Nickel and cobalt powders add exposure-limit requirements on top of combustibility

Why engineered vacuum recovery?

  • Air-operated explosion-proof units remove electrical ignition entirely
  • Immersion separation wets reactive fines the moment they enter
  • Grounded, bonded path controls static where concentration peaks
  • HEPA-retained exhaust protects operators and the reuse stream
  • Detail nozzles capture condensate instead of lofting it
  • Alloy-dedicated units close the cross-contamination pathway by rule

Solution benefits

  • Better Safety

    Air-operated units and immersion separation engineer ignition out of powder handling.

  • Higher Productivity

    Faster, cleaner machine turnaround between builds.

  • Cost Savings

    Expensive powder inventory protected; the reuse stream stays uncontaminated.

  • Cleaner Workplace

    HEPA-retained exhaust keeps the finest fraction away from operators.

Typical system setup

  1. 01

    Build chamber / depowder station

    Powder and condensate at the point of generation

  2. 02

    Grounded tool kit

    Stainless wands and detail nozzles, non-sparking

  3. 03

    Air-operated EX vacuum

    Zero electrical components in the powder room

  4. 04

    Immersion + HEPA

    Fines wetted on entry; 99.99% final stage

  5. 05

    Sealed collection

    Wetted transfer to disposition — reuse stream stays separate

Alloy-dedicated units per material family keep the recovery path from becoming a contamination path — labeling is part of the specification, not an afterthought.

Metal 3D Printing FAQ

Can one vacuum serve all our printers?

Only within one alloy family. Cross-contamination between reactive metals — and between nickel superalloys and everything else — is a quality and safety pathway; alloy-dedicated, labeled units close it by rule.

Is chamber condensate really different from the powder?

Yes — process condensate ('soot') is finer and more reactive than virgin powder. It's captured with detail nozzles at low disturbance, never brushed or blown, and treated as the most reactive material on site.

Can vacuum-recovered powder go back into the build supply?

No — the reuse stream runs through the process's own sieving and qualification path. Vacuum-collected material is a disposal stream, wetted and sealed; keeping the two separate protects part quality and the powder economics.

Are electric explosion-proof vacuums acceptable in the powder room?

Area classification decides — and air-operated units remove the question entirely, with no electrical components anywhere on the unit. For reactive AM powders that simplification is usually worth specifying.

Talk to the manufacturer

Get the right explosion proof vacuum for your application.

Tell us what you need to vacuum and where. Our technical team will recommend the PrestiVac model best suited to your material, your classification and how hard you will work it — and because we build every unit ourselves, we can modify it to fit.

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  • Legally certified explosion proof
  • Solid stainless steel construction
  • Industry-best 3-year warranty
  • Designed & manufactured in the USA
  • 200+ vacuum versions