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Combustible Dust
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Combustible dust is one of the most serious risks caused by dust in manufacturing environments. Prevent the danger of dust and gas explosions by creating a safer environment using ATEX approved solutions, such as dust collectors, extraction arms, industrial vacuum cleaners and explosion isolation flap valves.
One of the most serious risks caused by dust in manufacturing environments is that of combustible dust. When this dust comes in contact with the right concentration of oxygen, an explosion can occur. A source for ignition is all it takes to trigger an explosion.
The explosion might not be contained to the immediate vicinity. Dust explosions spread from the small explosion around an ignition source to the rest of the facility. In these cases, the initial explosion stirs up the dust in the rest of the facility, and then that dust ignites. The secondary explosion can be significant, injuring or killing workers and destroying property.
Combustible dust, also known as explosive dust, is a by-product created from manufacturing processes that involve combustible raw materials. Combustible dust is any fine material that has the ability to catch fire and explode when mixed with air. Many materials can become combustible dust under specific conditions. Examples include:
While practically invisible to the human eye, combustible dust particles are a deadly hazard in many workplaces and industries. Certain conditions can cause the dust to become explosive, potentially killing or injuring workers, and destroying machinery or even entire facilities. Explosive or potentially explosive atmospheres can also occur where flammable gases or fumes derived from chemicals or petroleum products are present.
Dust can pile up almost anywhere in a workplace. Inside, on and around of machines and produced items. Rafters, roofs, suspended ceilings and ducts are also common areas, partly because they are located remotely and hard to reach. According to the ATEX directive, employers must investigate where in a workplace dust is created and whether it is combustible or not.
The European Community has passed two directives on explosive atmospheres that has led to increased protection against explosions, making various technical and organizational actions mandatory. These two ATEX directives are:
Pictured: Installed CARZ Explosion Isolation Flap Valve
In North America the following NFPA standards are applicable:
Graph provided by Dust Science Safety.
Listed below are some concrete ways of reducing the buildup and spread of combustible dust, and the risk of it leading to a fatal dust explosion.
Nederman offers safe and reliable solutions for handling combustible dust and gases. Based on the customer’s risk evaluation, we recommend suitable equipment for each application. The products are designed to comply with the ATEX and NFPA directives.
SAFETY Protect people, production and facility
EXPERTISE Combustible dust experts with long experience and Nederman members on both
ATEX and NFPA committees
TRUST Leading manufacturer of both dust collector and explosion safety devices with
wide range of explosion isolation flap valves for all applications
COMPLIANCE ATEX certified dust collectors, extraction arms, industrial vacuum cleaners and Explosion Isolation Flap
Nederman is a leading manufacturer of dust collectors with a proven history of controlling dust and mitigating the risks of fires and explosions. We can help you create a safe and sustainable working environment by recommending and offering suitable equipment and routines. The solutions we offer are based both on your risk evaluation and compliance with the ATEX and NFPA directives. Contact our combustible dust experts to find out more!
