Abstract: Apparatus for charging storage cylinders with a cryogenic gas comprises a mobile storage tank for the gas in liquid phase, fill and return lines that can be connected between the tank and a valve manifold at a remotelly located site at which the storage cylinders are located. The valve manifold receives incoming liquid gas and diverts some of it to a number of cylinders in which it is stored in liquid form and, after the remainder, after a controlled expansion to gas phase, to a cylinder which converts to a beverage dispensing system at the remote location. The system comprises fill and return lines to avoid venting gas to atmosphere during the filling process.