Spark-free tools for ATEX Zones: what’s available and when to use them

Working in an explosive atmosphere means one thing above all else: no room for error. Whether you operate in oil & gas, chemicals, or energy — safety comes first. One of the biggest risks in these environments? Sparks. And that’s exactly why you need the right spark-free tools for your maintenance and surface preparation jobs.

But what tools are available? And how do you know which ones are truly safe for ATEX zones?

Let’s walk through the options and what to look out for.

Why spark-free tools are essential in ATEX zones

In Zone 1 and 2 (gas) and Zone 21 and 22 (dust), even a small spark can trigger a fire or explosion. Conventional tools like grinders, saws, or needle scalers generate friction, heat, and metal-to-metal contact — which can all lead to ignition.

Spark-free tools are designed to eliminate this risk by operating at low speed, without heat, and with non-sparking materials or cutting methods.

Bottom line: If your tool can create a spark, it doesn’t belong in an ATEX zone.

What types of spark-free tools are available?

At Allmet Safety Tools, we offer a wide range of certified tools developed specifically for explosive environments. Below are the most common categories, with examples of where they’re used.

3. Files and rotary tools for hard-to-reach areas

Especially useful when working in corners, behind pipes, or inside small compartments.

Applications:

• Compact flange edges
• Tight pipe racks
• Remote offshore modules

Not all “spark-free” tools are created equal

Many tools on the market are marketed as spark-free, but are not certified for use in ATEX environments. The difference?

• ATEX-certified tools = independently tested, safe for use in explosive atmospheres.
• Non-certified tools = potentially dangerous, may still emit sparks under certain conditions.

Always check the certification before using a tool in Zones 1, 2, 21 or 22.

Use cases across industries

Our spark-free tools are trusted by professionals in:

• Oil & Gas (on- and offshore)
• Petrochemical plants
• Refineries
• Energy and power plants
• Tank storage and terminals
• Maritime and shipbuilding

“We saved about a week’s worth of work using these tools — and kept everyone safe in the process.”
— Bjørn Erik Dahl, Aker Offshore Partner

How to choose the right tool for your job?

That depends on:

• The zone classification you’re working in
• The material type
• The task (grinding, cutting, or surface prep)
• Accessibility and space constraints

Need help deciding? We’re here to assist.

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