The casting plant composed of two benches wiht modular metal frames.These bench groups are the main group which carries the moduls and is supported with legs which are placed in some invertals. It is possible to tilt the bench to right or left with a degree ranging between +11/- 7 according to the process. There is one stable and one movable fixing units for each bench. The moduls are placed on the cars wich exist according to the quantity of the moduls and can slide along the bench easily. The dryer system serves for drying the plaster moulds between the casting cycles by that two or more successful casting cycles is received within a day. In this system the air is indirectly pumped to the bottom of the moulds on the benches by means of air channels. In order to distribute the air homogeneously through the channels the air flow can be adjusted. There is a conveyor deposit bench group on which the green sanitary pieces are placed on. This group moves forward and backwards which is enabled by chain gear and gearbox and controlled by switches. On the deposit bench the operator inspected the green pieces. Demoulding device works between the bench group and conveyor deposit bench. It moves up and down hydro-pneumatically and forward and manually on the rails through all the line. Demoulding system enables to reduce the time of getting the products from the moulds. There is a lifting system for assisting the drying process of the 5 th piece of the mould by depositing these pieces on an elevator which is lifted close to the drying fans.