Disclosed herein are embodiments of a sanitary fitting for coupling a fluid conduit to a flexible container to facilitate sterile transfer therebetween, and methods of making and using such a sanitary fitting, whereby the sanitary fitting includes a first annular member having a first annular member bore extending between first annular member first and second ends, the first annular member second end terminating in a flange radially outwardly extending therefrom, the flange comprising a substantially planar face; a second annular member having a second annular member bore extending between second annular member first and second ends, the second annular member couplable to the first annular member to axially align the first and second annular member bores to provide a first fluid flow passageway; and a valve coupled to the second annular member, the valve operable to interrupt fluid flow through a fluid flow path which includes the first fluid flow passageway.