C 9.9 N Deflagration and endurance burning proof pressure relief valve


  • As an end-of-line flame arrester element to protect vent openings of storage tanks.
  • Explosion and endurance burning proof for all inflammable liquids and vapors of explosion group IIB1 and also for alcohols with a maximum experimental safe gap (MESG) ≥ 0.85 mm
    and an maximum operating temperature of 60 °C.
  • This device is not permitted to be installed in enclosed areas.
  • Installation on top of storage tanks, tank access covers or breather pipes.
  • The PRV allows the passage of hazardous excess pressure but will minimize the loss of gas/vapours depending on valve adjustment.
  • Usually mounted on the top of the tank in conjunction with a vacuum relief valve.
  • An explosion proof condensate drain is also available for this model at extra cost.
  • KITO® BEH-3-80-IIB1 with additional examination and approval, applicable also for alcohols (ethanol, methanol…)
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