This vent check valve type is made with a directed overflow. This is useful if venting is required from a specified location / tank / room.


  • Flame-/Bug-/Rat- sceen
  • Heating /Winterization
  • With mud chamber. Prevents mud from entering the valve (See Mud Chamber)
  • Connection alternatives: Flanged, threaded or with weld butt
  • Coating
  • Other materials: Hot dip galvanized steel, stainless etc.
  • AERO valves are approved by all the most common classification societies