A universal closure valve adapter (2) attachable to a neck wall (12) of a first container (50) that forms a periphery of an opening having a diameter. The universal closure valve adapter (2) includes a closure valve assembly (52) that is attachable to a closure valve assembly (4) of a second container (1). A flange transversely extending from the closure valve assembly (52) of the first container (50). The flange includes a plurality of tank neck engagement assemblies (10). Each of the plurality of tank neck engagement assemblies (10) are spaced apart from each other about the flange.
