NOZZLE BEAM FOR COOLING OR DESCALING CONTINUUM OF METALLIC MATERIAL ESPECIALLY MATERIAL TO BE ROLLED

摘要

PROBLEM TO BE SOLVED: To provide a nozzle beam for cooling or descaling the continuum of a metallic material especially a material to be rolled of a style which is respectively provided with one supply part for product treating liquid, additional supply part for device coolant, discharging part for the device cooling liquid and switching mechanism which belongs to the discharging part for opening and closing the discharging part for the device cooling liquid. SOLUTION: The switching mechanism 5 is constituted so as to be automatically switched by the pressure of the device coolant for controlling the condition of work.