Kemper’s MaxiFil Clean welding fume filter unit

With MaxiFil Clean, Kemper GmbH adds a system with cleanable filter to its portfolio of mobile extraction and filter units. The unit ensures effective collection of pollutants at their point of origin. With MaxiFil Clean, Kemper is the first manufacturer to take the entire pollutant cycle into account beyond extraction and filtering. The company has applied for a patent for its unique contamination-free dust disposal system in cartridges. Initial use of the extraction and filter unit in plants has already been met with a positive reaction.

“With MaxiFil Clean, plants that work with metal ensure a high standard of work safety for their employees,” emphasizes Björn Kemper, managing director of Kemper-GmbH. “Apart from the extraction and filtering of large volumes of pollutants, our new system guarantees their safe and reliable disposal out of the filter unit.”

Convenient handling prompts high acceptance

Thanks to its easy maneuverability by hand, MaxiFil Clean can be put to use at different welding stations, and its flexible extraction arm allows it to be used in different positions. The arm is available in lengths of up to four meters. Owing to the size and the special shape of the extraction hood, the Kemper technology allows the collection of up to 40 percent more welding fumes than conventional extraction hoods.

“This means welders don’t have to re-position the extraction hood as often. That guarantees more convenient handling and higher acceptance among employees,” explains Kemper. The extraction hood can be rotated 360 degrees. The arm is self-supporting and remains in the position the welder places it.

In contrast to conventional mobile welding fume filter units, MaxiFil Clean is suitable for permanent use where large volumes of welding fumes occur. This is possible because of the cleanable filter. Integrated as a cartridge, it has an area of around 15 square meters and cleans itself automatically during operation. “This process makes the unit highly efficient,” explains Kemper. More than 99.97 percent of the welding fumes — containing the respirable dusts smaller than 10 µm — is separated out. Moreover, the permanent monitoring of the filter provides the welder with more security.

After filtering, the unit automatically feeds the dust particles to an easy-to-seal disposable cartridge. This way, in contrast with conventional solutions, users don’t even come into contact with the pollutant-containing particles when disposing the dust. Kemper has applied for a patent for this technology.

Suitable for welding chrome-nickel steels

The unit can also be used when welding chrome-nickel steels. MaxiFil Clean is currently undergoing IFA certification. An integrated spark pre-separator prevents large dust particles and sparks from finding their way into the filter and extends its service life. Automated starting and stopping as well as an LED lamp can be optionally integrated into the extraction hood. This provides optimum illumination for the weld seam, and ensures better acceptance among welders, and improved re-positioning.

Only a short time after introduction onto the market the MaxiFil Clean welding fume filter unit has met with a positive reaction among users. Kemper has already shipped out around 100 of the new systems to several countries. MaxiFil Clean was recently distinguished for its excellence as technological innovation at the STOM Tool trade fair in Kielce, Poland.

For more information, visit www.kemper.eu.

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