90
°±
1
°
（等配）
45°±1°
60°±1°
（等配）
6-
ø
5.5
±
0.5
11 8 ±1
ø
245
±
0.5
4-
ø
4.3
±
0.5
ø
155.2
±
0.5
ø
252
±
1
(R22)
(0.8)
21±1
ø
242
±
0.5
ø221 mm type
Model no. Surface treatment Mass (g)
109-11 3 5 Electro nickel plating (silver) 230
109-11 3 5 H Cation electropainting (black)
(Each)
(Each)
Fan
Hexagonal nuts
Inlet nozzle
Finger guard
Screw
s
Spring washers
Plain washers
Mounting example
Centrifugal fan
DC
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
