The Vigiflap is a non-return valve, designed to prevent overpressure or flame caused by a downstream explosion (dust collectors, filters, cyclones...) to propagate in the piping system.
Explosion safety equipment from SBK A/S is approved to the following norms:
Ex II GD EN 16447 (2014) / EN 1127-1 (2019) / EN 14460 (2018)
EC type examination certificate:
Production quality assurance notification:
INERIS 08ATEXQ406 / ISO9001 (2015)