Explosion-proof vacuum cleaners | Nilfisk

Combustible Dust Collection

Combustible dust can accumulate virtually anywhere. Choosing the right machine to collect harmful dust depends on zone classification and the type of materials collected.

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COMBUSTIBLE DUST COLLECTION

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NON-CLASSIFIED ZONES

ACD COMBUSTIBLE DUST COLLECTION

CHOOSING AN ACD MACHINE

ACD* vacuums safely collect combustible dust where ATEX certification is not required. So, if you only collect combustible dust in non-classified zone areas like many small bakeries or businesses that utilize materials such as flour, grain, sugar, lactose, and others, there are now fewer safety requirements when collecting combustible dust. And to ensure you are getting the level of safety you need, Nilfisk machines are certified by an independent 3rd-party.

*Appliances for Combustible Dust

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ACD Benefits

Keep your business safe from combustible dust at all times.

Get the highest level of safety for the collection of combustible dust in non-classified ATEX zones

Choose from a variety of ACD machines capable of safely and efficiently collecting combustible dust.

Collect combustible dust throughout your facility safely with 3rd-party certification endorsement.

CLASSIFIED ZONES

ATEX COMBUSTIBLE DUST COLLECTION

CHOOSING AN ATEX INDUSTRIAL VACUUM

ATEX zone classification is assessed to a business or production facility after a thorough risk analysis has been conducted, according to the Directive 2014/34 UE. ATEX zoning can also be attributed to just a section or area within a business.

CHOOSING AN ATEX
ATEX BENEFITS

Keep your business safe from dangerous combustible gas and dust.

Collect combustible dust safely and efficiently within any ATEX certified zone.

Choose from a variety of ATEX certified machines capable of collecting any type of combustible dust, with ease, in total safety.

Stay compliant when safely collecting combustible dust throughout your facility.

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USE A SUITABLE VACUUM

PREVENT AN EXPLOSION

The conditions necessary for a combustible accident to occur are the presence of a combustible substance, oxygen, and an ignition source. There are upper and lower limits of the concentration of combustible dust or flammable gas in the atmosphere which can trigger an explosion. When using an industrial vacuum, oxygen is always present. There is also the possibility that dust clouds and flammable gas or vapors could also be present. Thus, two of the three elements that can generate an explosion are always present.

Nilfisk ATEX certified industrial vacuum cleaners eliminate the third parameter: the ignition source.

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CLASSIFIED ZONES AND NON-CLASSIFIED ZONES
WORK ZONES AND CLASSIFICATIONS

ACD FOR NON-CLASSIFIED ZONES

When collecting combustible dust outside of an ATEX certified zone, using a 3rd-party certified ACD vacuum guarantees that you are making the safest, most efficient, choice for keeping your production running hazard-free.

ATEX CERTIFIED ZONES

In areas where there is a risk of combustible dust, ignited incidents, are divided into zones based on the frequency and duration of the presence of an explosive

ATEX DIRECTIVES AND RESPONSIBILITIES

The customer is responsible for securing zone classification of their business, as well as work areas within the business according to Directives, and where the machine must be installed.

The machine manufacturer is responsible for supplying a machine that meets the related ATEX Certification requirements, along with a declaration of conformity.

Defining the Zone

Group I: mines

Group II: all surface activities other than mining

Zone of use Machine category Gas-Dust suffix
0 - 20 1 G - D
1 - 21 2 or 1 G - D
2 - 22 3 or 2 or 1 G - D

Notes:

  1. All industrial vacuum cleaners are in Group II.
  2. Zones 0-20 are usually only found inside of the equipment, depending on the cases and personnel is not normally present in these conditions. However, this doesn’t impact on the zone classification outside of the equipment which is the one declared on the product marking.
  3. The categories are divided into gas (G) and dust (D) groups respectively. Gas and dust can also be present simultaneously.
  4. The ATEX Directive also requires that the machine is marked with the symbol EX in a yellow hexagon.
  5. ACD and ATEX certified vacuums receive 3rd-party independent certification which validates established safety standards in compliance with the directives.

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