Fueling and Defueling Valves Automatic Fueling and Defueling Valve - 302M | Cla-Val Automatic Fueling and Defueling Valve - 302M | Cla-Val Shipboard aircraft fueling systems pump fuel from on-board storage through filter separators (removing water and particulates) to the ship’s piping systems and hose-reel stations on main deck or hangar deck. Hose-reel stations, controlled by Cla-Val’s 302 Marine Automatic Fueling Valves, deliver fuel to jet planes or helicopters with JP-5. Defueling is... View