E 20 N Deflagration proof pressure and vacuum relief valve


  • As end-of-line armature for venting and breathing of tanks.
  • Tested and approved against atmospheric deflagrations 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.
  • Vertical mounting (for tank roofs) with an integrated elbow as an option.
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