Valves for indoor relief of explosions by aluminium lamellas whereby cooling takes place and thus preventing flame spread.
Protects unit parts at explosion by relieving pressure and cooling the flame that thereby is extinguished. Normal use indoor.
Product Features
Activation by spring
Flame cooling by aluminium lamellas
For Kst = 300bar m/sec. and Pmax = 10bar
Min./max. temperature: -20°C / +80°C
Valve size calculated for specific unit
May not be used for metal dust explosions
Valve can be used after an explosion - must not be replaced
Delivered incl. detection switch
When EVN 3.0 is placed in units, where piping on raw air side of filter unit is requipped with backdraft damper, then a EVN 3.0NC-model (Non-reclosing device) must be used that remains open at activation and must be manually reset.