E 22 N Pressure and vacuum relief valve


  • As end-of-line armature for venting apertures on tank installations.
  • Used mainly as venting and breather device for fixed roof tanks.
  • Used to prevent inadmissible pressure and vacuum and to minimize unwelcome gas losses or inadmissible emissions respectively.
  • The housing is mounted perpendicularly on a tank roof.
  • The product vapours can be discharged through a collective line into the atmosphere connected to the line flange on the pressure side.
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