Unit is used to the continuous-flow through parboiling of fruits and vegetables using water steam under the preassure ( 0,2-0,3) MPa and bringing it to a semi-fluid state of matter needed for the further rubbing process( apples, tomatoes). Preboiled product is transported inside the channel by the screw transporter.Water steam is affecting the product directly through the nozzles mounted on the channel side. Length of the channel and the screw rotation speed are set to insure the product softness with the efficiency needed.( water level inside the channel is set by the height of the input basket and the angle of the pipein the way prewenting from pouring out through the out feed. Made from the stainless steel AISI304.