- 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.