The casting plant composed of two benches with modular metal frames.These bench groups are the main group which carries the moulds and is supported with legs which are placed in some intervals. Each mould is fixed independently into the bench with special fixing equipment. Mould cover cores are fastened on the beams by special mould fixing equipment which can be adjusted right-left and backward-forward. In order to protect from corrosion the surfaces of these equipments are galvanized coated. Leg group consists of beams arms leg chassis motor and gearbox groups. The beam also carry the airbags and the empting and piece hardening system is mounted on the beams. The dryer system serves for drying the plaster moulds between the casting cycles by that two 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 backward which is enabled by chain gear and gearbox and controlled by switches. On the deposit bench the operator inspected green piece.