8 / 48 | PP-28_201612 | PKIR, PKIS
Fig. 7:
Dry installation
of a round fire damper PKIR3G using mineral wool with coverplates
Wall and
opening type
Dimensions of the
openings ø
D
1
(mm)
Dimensions of the in-
ternal frame □
D
2
(mm)
RRW
ø
DN
+120
-
FRW
ø
DN
+ 120
□
DN
+ 120
Nominal dimension
DN (mm)
L
D
(mm)
ZV, DV1 through DV6
DV7 - DV9
100 - 400
230
450
282
192
500
242
560
630 - 1000
342
1
Bendable hanger
2
Mineral wool filling (min. 50 kg/m
3
)
3
Screw 5,5 DIN7981
4
Coverplate PRR-PKI (accessories)
5
Screw 5,5 DIN7981
6
Fire resistive mastic, e.g. Intumex AC
Legend
Tab. 9: Wall opening
NOTE:
øD
1
, W
1
, H
1
see Fig. 1 – 4
Tab. 10: Distance of the connected duct’s ending from the wall
DR
Y - miner
al
w
ool - EI90S
1.2
3
4
2
4
L
D
ø
DN
5
6
6
1