A filling valve apparatus having a flange for mounting to a beverage filling machine. A shank extends through the flange and is mounted to the beverage filling machine. A locking device is coupled to the shank with the locking device having an unlocked position loosely connected to the shank and a locked position with at least a portion of the locking device wedged between the flange and the shank for fixedly securing the filling valve apparatus to the beverage filling machine. The subject invention also includes a servicing kit for servicing the filling valve apparatus. The servicing kit includes the shank, the locking device, and a wrench assembly as well as other components.