BALL VALVE FOR AIRCRAFT TANK
A drain ball valve (10) for an aircraft tank. Particular embodiments find use in connection with aircraft waste tanks. The drain ball valve has an upper shell (14) that is shaped to be received within a tank drain plumbing line (26). The drain ball valve has a lower shell (30) shaped to receive a funnel (44) and/or a bellow component (50) in order to help direct waste or other fluids exiting the tank.