Flange holes
Fig. 3: Flange holes L = 305 mm – uneven and even number of holes
Fig. 4: Flange holes L = 500 mm – uneven and even number of holes
B or H [mm]
100
150
200
250
300
350
400
450
500
550
600
650
700
750
800
900
1000
1100
1200
1300
1400
1500
Number of holes
each horizontal side*
–
0
0
1
1
1
2
2
3
3
4
4
Number of holes
each vertical side*
0
0
0
1
1
1
2
2
–
–
–
–
* Number of holes horizontally (B) or vertically (H), but without corner holes; B < 400 mm and H only with
corner holes
Technical data
FKA2-EU with fusible link
Fire damper Type FKA2-EU
11
