WATER NOZZLE FOR FIRE FIGHTING

PURPOSE: A fire nozzle capable of automatically converting radial shape is provided to convert the radial shape of fire extinguishing fluid according to the pressure of the fire extinguishing fluid. CONSTITUTION: A connection body(20) in which fire extinguishing fluid is provided is connected with a hose(10). The fire extinguishing fluid which is supplied to the connection body flows in a direct supply hole(32). A head(30) comprises the direct discharge hole(34) in which the provided fire extinguishing fluid is discharged. An opening and closing member(41) is opened and closed according to the pressure of the fire extinguishing fluid which is supplied to the head. An elasticity housing(45) is fixed to the connection body. An elastic member(44) is fixed to the elasticity housing and the opening and closing member. The elastic member opens and closes the direct supply hole by providing the elastic force to the opening and closing member.