Handbook F C22022 04 21

25/34 | F-C2
Opening and Wall and/or Ceiling Preparations
D1
Ta
A
B C
øD
1
4b
4d
4c
4a
≤
625 mm
T
a
4d
4c
4a
C
B
A
øD
1
T
b
3
4a (mm):
≥12,5 (EI60S,EI90S)
≥15 (EI120S)
4c (mm):
≥50 (EI60S; DN80...DN125 = EI90S)
≥75 (DN140...DN200 = EI90S)
≥90 (EI120S)
4d:
≥40 mm; ≥30 kg/m
3
(EI60S)
≥40 mm; ≥80 kg/m
3
(EI90S)
≥60 mm; ≥85 kg/m
3
(EI120S)
Ta , Tb (mm):
≥100 ((EI60S); (DN80...DN125 = EI90S))
≥125 (DN140...DN200 = EI90S)
≥150 (EI120S)
Damper Minimum Distances
(mm)
≥200
≥200≥75
≥75