16 June 2004Manufacturing / Production Technology, Hardware & Services
Metcal has developed a compact and portable two-arm fume extraction system that combines strong fan performance with efficient filtration and quiet, flexible operation. Metcal enlisted the fume extraction expertise of Impell, another OK International division, to develop the BVX-200 fume extraction system.
The stylish BVX-200 builds on the success of the company's existing BVX-100 single-arm system. The new unit features the same motor as the single-armed model, but it has an innovative one-stage impeller design that provides more than double the total free-blowing airflow.
The portable unit can be easily transported by one person. Maximum free-blowing airflow is rated at 250 m3/h, with maximum suction force at 850 Pa. This is the best suction rating in the unit's class and the highest offered by such a compact and portable system, says Metcal. The 850 Pa rating provides ample capability in reserve to handle any clogging that occurs during normal filter life.
The BVX-200 has both pre- and main filters. The pre-filter is the best in class for this type of portable fume extraction system, while the main filter offers HEPA efficiency of more than 99,5% and an activated carbon filter.
The filtration system has been designed to outlast traditional systems. It features a significant amount of activated carbon and a large filter area, which together provide a long filter life and maximised protection against clogging. The activated carbon makes the unit efficient at filtering gases that standard HEPA filters alone cannot remove, such as the alcohols used in cleaning solvents.
The filter system has been designed to allow the pre- and main filters to be changed individually. This ensures that the maximum working life can be achieved from each filter, improving efficiency and lowering the overall cost of ownership.
In operation, the standalone unit does not require a separate compressor or external ducting; it only needs to be plugged into a power source. It is compact enough to be located under, or next to, the workbench. It is designed specifically to be located off the benchtop to maximise the available working area.
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