Smoke extraction damper ERK-SO
TECHNICAL DOCUMENTATION
Suspensions and weights |
Construction subject to change
No
return
possible
Version:
2017-11-28
|
Page
27
Covered suspending brackets - suspension height > 1.5 m from
M14 to M20
Figure 22 - Covered suspending brackets M14 to M20
Mounting instructions
The suspension coverings consist of a pipe made of sheet
steel with internal fireproof lining.
In the centre of it, there is an at least 21 mm large bore for
mounting the threaded rod. Starting form suspension M14,
the connection sleeve for two threaded rods cannot be lo-
cated in the area of the suspension covering any more, there-
fore a connection sleeve covering as shown opposite must be
mounted.
Example of dimensioning
Given: ERK-SO with the dimensions
W = 800 mm
H = 400 mm
Suspension height = 4 m
The following weights must be added:
ERK-SO according to table on page 25
102 kg
U-pole brace (U 80), see page 24
12 kg
Threaded rod M20 2 x (L = 4 m)
see page 25
33.5 kg
Covering Ø 90 16 x 5.9 kg
see page 26
94.5 kg
Ʃ
=242 kg
:
2
= 121 kg
≙
M20 according to table on page 25
Order example
(only accessories for covering)
16 units Suspension covering NW 90, L = 0.5 m
2 pieces connection sleeve covering (depending on the di-
mensions of the threaded rods used on site)
Concrete ceiling
Minimum gap width
of 10 mm
Suspension covering
type ABB
Fire safety dowels or
continuous threaded rod
Water glass glue
(SBK 2000)
Counter nut
(recommended)
Connection sleeve
type VMB
Connection sleeve covering in-
ternal diameter = 35 mm
U-washer
Nut
U-pole brace
+2
- 0