Fluden gear coupling which is manufactured by fluid power engineers is one of the better known universally moveable gear coupling with curvedth curved tooth. This curved tooth gear coupling is suit- able in all usageapplications where importance is joinedattached to a uni- versally moveable maintenance free shaft connection. Fluden coupling is also suitable where foolproof alignment is neededrequired. Owing to its excellent characteristics of this coupling, the coupling is excep- tionally vertical. Fluden coupling is available in five sizes - maximum bore is 19 mm, 28 mm, 38 mm, 48 mm and 65 mm.