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Engineering for Uncompromising Facility Safety

Combustible Dust Vacuums & Dust Collection Systems

The Industry’s Shield Against Volatile Particulate Hazards

From fine powder and powder coating overspray to metal dust, food dust, and additive manufacturing residue, the right solution depends on the material, the area classification, the cleanup method, and the disposal path.

Choose the Right Combustible Dust Solution for the Risk Level

One dust problem can require an ordinary-location vacuum, an ATEX unit, a pneumatic system, or an inertization setup. A facility dealing with combustible dust does not just need “an explosion proof vacuum.” It needs the right vacuum or collection system for the actual hazard. That starts with three questions: What material are you collecting? Is the cleanup happening in an ordinary location or a hazardous classified area? Do you need mobile housekeeping, source capture, or a centralized engineered system? We can support combustible dust housekeeping in ordinary locations, ATEX / hazardous-duty vacuuming, compressed-air operation where electricity is not preferred, inertization for conductive or reactive metal powders, and centralized dust collection for larger engineered systems.
For facilities removing settled combustible particulate in non-classified areas, the priority is safe recovery, dependable filtration, and cleaner housekeeping without using a generic shop vacuum for fine dust. These systems support recurring cleanup in production areas, around equipment, and in zones where combustible dust must be removed consistently and contained effectively.
NFPA 660 Compliant
Ordinary Location
For hazardous dust environments and higher-risk cleanup, ATEX and explosion-proof industrial vacuums provide a more specialized path for ignition-sensitive material, fine powder, conductive dust, and hazardous particulate. This category fits applications where grounded, anti-static, application-built vacuuming is required instead of a general industrial vacuum.
Class 2 - Division 2
Hazardous Location
For multi-point housekeeping and material transfer with engineering around isolation, venting, and discharge for combustible materials.
NFPA 660 - NFPA 69
Compliance
Compressed-air powered vacuums are a strong fit where electricity is not preferred at the pickup point or where a pneumatic vacuum is the better choice for hazardous-duty cleanup. These systems support fine dust recovery, combustible dust handling, and specialized industrial maintenance in environments where air-powered operation brings a practical safety advantage.
Intrinsically Safe
Compressed Air Powered
For plants that need more than a mobile vacuum, including process dust capture, multi-operator cleanup, overhead piping, and engineered system-wide recovery for larger facilities.
NFPA 660 Compliance
Ordinary Location
Some dusts require more than dry collection. Conductive and reactive metal powders may call for inertization, where hazardous material is collected through a liquid-bath containment strategy rather than handled like ordinary dry dust. This solution path is built for applications where reactive metal dust, conductive powder, or high-risk fine particulate changes the collection method entirely.
Immersion Solution
Ordinary Location

Materials, Dust Types, and Industrial Applications

From powder coating and food dust to aluminum fines and additive-manufacturing powder, the material drives the specification.

Combustible dust risk does not look the same in every plant. The right vacuum or dust collection system depends on the particle, the process, and whether the hazard is routine housekeeping, airborne dust capture, or classified-area cleanup.

Food, Grain, and Dry Ingredients

Flour, sugar, starch, cocoa, grain dust

Powder Coating, Chemical, & Polymer Processing

Powder coating overspray, resin dust, plastic powder, chemical dust

Wood and Biomass

Sawdust, wood flour, sanding dust

Metalworking and Additive Manufacturing

Aluminum dust, titanium powder, magnesium fines, stainless grinding dust

Battery and Carbon Materials

Carbon dust, fine conductive powders

Defense & Range-Related Fine Particulate

Lead dust, gunpowder residue, carbonaceous debris

What a Combustible Dust Vacuum Must Do

Grounded Construction - Antistatic Filtration - Sealed Containment - Safe Disposal

A combustible dust vacuum is not just a stronger shop vacuum.

The system must be specified to reduce ignition risk, maintain filtration performance, and contain material during collection and disposal.

Depending on the application, that can include grounded conductive paths, antistatic M-Class primary filtration, optional HEPA H14 secondary filtration, low-sparking inlets or deflectors, safe container discharge, and conductive accessories matched to the machine.

NFPA 660 for Housekeeping.
NFPA 69 for System Protection.

Built for combustible dust housekeeping, hazardous area cleanup, and higher-risk material recovery.

Combustible dust applications are not all the same. In some facilities, the priority is routine housekeeping in ordinary locations where settled dust must be removed safely and consistently. In others, the application involves hazardous classified areas, conductive particulate, or reactive metal dust that requires a more specialized collection method.

When the material, the environment, or the risk level changes, the equipment path changes with it. Ordinary-location housekeeping may call for the right industrial vacuum with proper filtration and dust containment. Hazardous classified areas may require ATEX-certified equipment. Conductive or reactive metal dust may require inertization instead of standard dry collection. Larger-scale dust problems may be better served by a dust collector or a centralized vacuum system rather than a mobile vacuum alone.

The goal is to match the solution to the real application so dust can be collected more safely, handled more effectively, and managed in a way that supports cleaner production areas and a stronger housekeeping program.

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NFPA 69

NFPA 69 Central Vacuum System Protection

Engineered central vacuum systems for
combustible dust with NFPA 69 explosion protection options
built in.

For combustible dust applications, central vacuum design is not just about airflow and recovery. It is about controlling risk across the full system. Depureco USA designs central vacuum systems and central dust collection systems around NFPA 69 protection strategies so engineers and system designers can build for safer dust recovery, stronger containment, and better system-level protection.

Available protection options can include flameless explosion venting, explosion venting, passive explosion isolation valves, ISO flap isolation devices, and explosion suppression systems depending on the application, dust type, layout, and installation environment. The result is a custom central vacuum system built for combustible dust compliance, safer multi-point recovery, and reliable plant-wide housekeeping.

Endless Solutions for Combustible Dust

From combustible dust vacuums and anti-static industrial vacuums to air-powered systems, dust extractors, and central vacuum systems, Depureco USA helps facilities build the right solution for the material, the risk level, and the application.

With a wide range of systems in stock in Texas and decades of experience supporting combustible dust applications worldwide, we can help you specify the right setup for safer housekeeping, dust recovery, and plant-wide cleanup.

Contact us today to find the right combustible dust vacuum system for your facility.

Navigating the Unified Standard for 2026

Future-Proof Compliance: Surpassing NFPA 660 Standards

Total Security Through Advanced Particulate Mitigation
The regulatory landscape has unified under NFPA 660, consolidating all combustible dust safety codes into one high-authority standard. Depureco engineering already incorporates the fundamental safety requirements necessary for a compliant workspace.

Intrinsic Safety

Our air-powered units use no electricity and generate no heat, making them inherently safe for the most sensitive Class I and Class II environments without requiring electrical certification.

Bumper-to-Bumper Grounding

Every unit features integrated grounding from the tangential inlet to the exhaust, eliminating the arcing and static discharge that triggers dust-air ignitions.

Absolute HEPA 14 Filtration

Capture 99.995% of toxic lead or ultra-fine metal powders down to 0.18 microns, providing an insurance-grade barrier for your production floor.

Industry Combustable Materials & Regulatory Alignment

Strategic Compliance Mapping: Hazard vs. Required Standards
A Quick-Reference Guide for Facility Dust Hazard Analysis (DHA)
Industry SectorHazardous Material ProfileRequired Safety Standard
Additive Mfg & MetalsAluminum, Titanium, Iron Dust, & Stainless SteelNFPA 484 / 660
Food, Grain & PharmaFlour, Sugar Dust, Protein Powder, & StarchNFPA 61 / 660
Energy & BatteryLithium-Ion Battery Dust & Carbon FibersNFPA 654 / 660
Surface TechSilica Dust, Powder Coatings, & ConcreteOSHA NEP / 660
Defense & RangeLead Dust, Gunpowder, & Brass DebrisOSHA 1910.1025 / 660
Beyond Awareness: Engineering the Five-Point Defense

Neutralizing the Threat: Engineering Against the Explosion Pentagon

How Depureco Systems Disrupt the Chain Reaction of Combustible Dust

Understanding how an explosion occur is the first step toward prevention, but awareness alone doesn’t secure a facility. To achieve true operational safety, you must systematically neutralize the five elements required for a dust explosion—known as the Explosion Pentagon.

Depureco USA systems are engineered to target and eliminate these specific variables through advanced particulate control.

Maximize Your Operational Resilience

Get the right combustible dust vacuum, dust extractor, dust collector, or centralized vacuum system for the application.
From routine combustible dust housekeeping to hazardous cleanup, powder recovery, and plant-wide dust collection, the right solution starts with the material and the process. Depureco USA can help narrow the right path based on the dust type, the location classification, and the way cleanup has to happen inside the facility.

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