TPM 092/13
12
Fig. 15 Installation in a solid ceiling construction
1
2
POSITION
1
Fire damper FDMD
2
Stuffing box (mineral stone wool
min. density 140 kg/m
3
)
3
Fire protection mastic min.
thickness 1 mm
2
1
3
3
Used materials - example*:
2
Promapyr, Rockwool Steprock HD
3
Promastop - P, K
* Stuffing box and fire protection mastic
can be replaced by another approved
fire sealing system for damper
installation with equivalent material
properties.
Fig. 16 Installation in a solid ceiling construction
1
3
POSITION
1
Fire damper FDMD
2
Fire resistant board
3
Fire stop coating thickness 1 mm
2
1
3
2
Used materials - example*:
2
Hilti CP673 PF
3
Hilti CP673
6. Pressure loss
6.1.
Pressure loss calculation
III. TECHNICAL DATA
p =
w
2
2
p
[Pa]
presure loss
w
[m.s
-1
]
air flow speed in nominal damper section
[kg.m
-3
]
air density
[-]
coefficient of local pressure loss for the nominal damper section
(see Tab. 7.1.1.)
