FlexFilter EX - ATEX approved dust collection

FlexFilter EX is a state of the art dust collector for explosive atmosphere to meet your current and future needs

Keeping the work environment clean and safe minimizes the risk of explosion, maximizes your production up-time, increases your products’ quality and gives significant cost savings.

FlexFilter EX is the third generation high vacuum dust collectors for potentially combustible dusts. The unit complies with the ATEX directive.

Nederman has been operating in the field of environmental equipment for more than 50 years and has extensive experience in equipment and systems for potentially explosive dusts. FlexFilter EX dust collector has been created in order to meet various extraction requirements and to meet the challenges and rapid changes presented to modern industry. All FlexFilter EX are marked with the EX symbol and are category 3D equipment according to directive 94/9/EC. This means that models with the EX symbol may be placed in areas classified as zone 22 according to directive 1999/92/EC.

NOTE! Since July 1, 2006 all existing sites, as well as new sites, must be fully compliant with the ATEX directive.

Explosive Dust
A solid piece of any given material is normally safe and non explosive. However, creating a fine dust from the very same material could make it combustible; compare a solid piece of wood to wood dust! Furthermore the finer the dust particles are the more “explosive” they become!

Many industries handle materials that are or can become explosive! When a combustible material is dispersed as a fine dust and combined with air and an ignition source the potential for a dust explosion increases.

Some examples of combustible materials:

• Synthetic organic dust, such as plastic grinding dust, reinforced plastics and other composite materials, powder paint, cosmetics. 
• Metal dusts – Fine dust of aluminium, magnesium, titanium, chromium. 
• Organic dust from food industry, such as baking flour, soup powder, spices, sugar. 
• Pharmaceutical – Large number of powders used in pharmaceutical industries are explosive.

In many parts of the world there have been a number of dust explosions that have destroyed factories, injured or killed people and resulted in production losses and high costs! All of this can be avoided by using the appropriate equipment.

Protect Your Staff and Increase Efficiency
One of the hazards with explosive dust is that it settles on all surfaces within the facility. The settled dust once disturbed into the air as a result of an initial explosion, becomes the fuel for secondary explosions. An effective solution is to prevent dust from spreading around the workplace by capturing the dust at the source where it is generated, preventing it from spreading into the facility. A clean work environment, besides from minimizing the risk of explosion, is efficient one, maximizes your production up-time, increases the quality of your products and provides significant cost savings.

A Modular System that Gives You Flexibility
Thanks to the modular design, a Nederman high vacuum system can be designed to meet your unique requirements and provide the freedom to expand capacity for future growth. Several Flexfilter EX and vacuum units can be combined in clusters to create larger systems.

Technical Data Flexfilter EX
The Flexfilter EX is manufactured to withstand overpressure from a potential explosion and is equipped with an explosion relief panel. The harmful effects of an explosion are minimized by venting the overpressure and flame propagation via the relief panel to a safe area. The dust collector is fully earth bonded in all modular components. All electric equipment is EX classified for explosive dust. Options are available for the collected dust from either a standard 70L collection bin complete with bin balance kit to allow the use of conductive plastic sack for ease of removal of the collected dust or fully automatic empty device with fully conductive bulk bag with earth cables for larger installations. A control filter comes as standard to allow the use of non-EX rated vacuum units.