Application area/function:

The most commonly used air vent head for ships. Made for installation outside on-deck. Ventilating all tanks on board for cargo, ballast water, wastewater, fresh water, lubricating oil, fuel oil, etc. Prevents water from entering the tanks.


  • 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.
  • For pressure drop and ow rate, visit our web page
  • HIDE valves are approved by all the most common classification societies