Inlet nozzle for centrifugal fan and splash proof centrifugal fan Dimensions (unit: mm) Nozzle mounted in fan inlet side to adjust the flow of introduced air. Material: Steel sheet o221 mm type 45 .5 1 52 0 60 1 (E ac h) 1 0.5 5 0.5 o242 o24 0.5 .3 4 4-o 211 (0.8) Mounting example Centrifugal fan Fan Hexagonal nuts Inlet nozzle Finger guard Plain washers Spring washers Screws ) 22 (R 1181 Mass (g) 230 5.2 0. 5 5.5 901 (Each) o2 6-o Surface treatment Electro nickel plating (silver) Cation electropainting (black) o15 Model no. 109-1135 109-1135H DC