CARZ-N isolation flap valves help customers achieve ATEX and NFPA compliance on combustible dust applications by preventing an explosion pressure wave or flame front originating in the filter back through the duct reducing risk to workers and the factory. CARZ-N valves are independently tested and certified to the most stringent international combustible dust standards and regulations.
Description
Welded construction in RAL 5009 blue painted steel plate or stainless steel with strong rubber seal, which is available upon request.
Function
During air flow generated by main fan, the Flap plate is open. In case of an explosion in the downstream equipment (e.g. dust collector) a pressure wave will force to close the Flap plate and lock in position. Large opening angle ensure low pressure drop. When Flap plate is closed it makes an effective barrier against approaching flame front. This prevent the explosion from being transmitted to upstream work areas.
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