Installation for the wet treatment of textile materials disposed on material carriers

An installation for the wet treatment of textile materials disposed on material-carriers, comprising a tank with a substantially horizontal axis defined by a floor, a ceiling and interconnecting sidewalls, said tank having at least one end provided with a door for inserting and removing at least one material-carrier on which the textile materials to be treated are loaded, means for causing a treatment fluid to flow in a closed loop through said textile materials along either a first or second direction, said fluid flow means further including means for bringing the treatment fluid to the desired temperature and at least first and second pipes, said at least one material-carrier including a box shaped base having at least one aperture for connection to said first pipe of said fluid flow means, said box shaped base opening into said textile material so as to form a first flow path of the treatment fluid in one direction, the flow of said treatment fluid in the other direction following a second path which includes at least said second pipe of said fluid flow means, said second pipe opening into a treatment volume defined by the interior of said tank and said textile material, wherein said first and second paths pass through said treatment volume through one or more passages formed in the vicinity of the floor of the tank.