5 min read
Explosion Proof Vacuum Guide
What makes a vacuum explosion-proof, when one is required, and how to specify it.
Read the guideKnowledge Center
Understand the hazard before you buy the equipment
Plain-language guides to the standards, the science and the housekeeping decisions behind combustible-dust compliance.
Dust Risk Checker
Is your dust a combustible hazard?
Four questions that organize the factors a Dust Hazard Analysis looks at first.
What best describes the dust?
How fine is it?
Do layers build up on surfaces between cleanings?
Ignition sources nearby (motors, hot work, static)?
Educational orientation only — this is not a Dust Hazard Analysis or a safety determination. Your DHA and authority having jurisdiction govern your obligations.
Technical knowledge center
Written for engineers, EHS managers and the people who have to specify equipment against a real hazard. Start with the question you actually have.
Explosion-proof vacuums
What makes a vacuum suitable for a classified area, and how the decision is made.
- Choosing an explosion-proof vacuum
- Explosion proof vs dust ignition proof
- Electric vs pneumatic
- Industrial vs shop vacuum
Hazardous locations
Class, division and group — what they mean and who assigns them.
All classification topicsCombustible dust
How dust deflagrations work, and why the second event is the destructive one.
- Dust explosion basics
- Types of combustible dust
- Choosing a combustible dust vacuum
- The cost of a dust explosion
Standards & compliance
What each standard governs, and what a certification actually covers.
All standardsFiltration & static
What leaves the machine, and the conductive path that keeps it from igniting.
HEPA vacuumsSelection by industry
Where the material group decides which certified line is even eligible.
- Selecting for metal dust
- Selecting for pharmaceutical powders
- Selecting for battery manufacturing
- Selecting for food processing
Materials
80 material guides. Each states its Class II group, because the group decides the line.
All 80 materialsOperation & service
Keeping a unit working — and, on a certified one, keeping the listing meaningful.
- Maintenance & troubleshooting
- Hoses, tools & accessories
- Grounding & bonding
- Recovered dust: reclaim or dispose?
Case studies
Representative scenarios showing how the hazard was assessed and controlled.
- Reducing Aluminum Dust Hazards in an Automotive
- Containing Combustible Excipient Dust in a Tablet Facility
- Controlling Flour Dust in a High-Volume
- Recovering Titanium Powder in a Metal Additive
In-depth resources
4 min read
Industrial Dust Control Solutions
The housekeeping hierarchy: capture at source, vacuum recovery, and what OSHA expects.
Read the guide5 min read
Combustible Dust Vacuum Solutions
Matching recovery equipment to organic dusts, reactive metals and mixed process waste.
Read the guide6 min read
NFPA Standards Guide
NFPA 652, 654, 484 and the industry standards consolidating into NFPA 660.
Read the guide4 min read
Dust Hazard Analysis
What a DHA is, who performs it, and what it means for your housekeeping equipment.
Read the guide4 min read
Combustible Dust Risk Checklist
A plain-language self-check for whether your dust, housekeeping and equipment raise a combustible-dust flag.
Read the guideTalk 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.
- Legally certified explosion proof
- Solid stainless steel construction
- Industry-best 3-year warranty
- Designed & manufactured in the USA
- 200+ vacuum versions