B 6.1 N Deflagration and short-time burning proof ventilation hood


  • As breather/venting safety device incorporating an explosion and short-time burn proof flame arrester element for installation on top of storage tanks, tank access covers or breather pipes.
  • The breather allows the unimpeded flow of gases out to atmosphere and air into the tank/pipe thereby preventing vacuum locks whilst ensuring provision of a permanent and reliable protection against any flashback into the tank/pipe.
  • This device is not permitted to be installed in enclosed areas.
  • Approved for all materials of the explosion group IIB3 with a maximum experimental safe gap (MESG) ≥ 0.65 mm and an maximum operating temperature of 60 °C.
  • Design with temperature sensor, to detect a “stabilized burning” (burn time 1 minute).
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