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48
en | Planning
Double U-pipe
Air sampling opening Number of air sampling openings
system
∅ air sampling
A
opening in mm
a
B
C
D
E
F
a
Punch diameter of the aspiration reducing film sheet
Quadruple U-pipe system for space protection
1 pipe system
FCS-320-TP1
FCS-320-TT1
Limiting values
Min. distance: FCS-320 – last T-fitting
Double U-pipe
Max. distance: FCS-320 – last T-fitting
Max. branch length
–
Max. overall pipe length per pipe system (Ø 25 mm)
–
Min. distance between 2 air sampling openings
Max. distance between 2 air sampling openings
Max. number of air sampling openings (n) per pipe system
2018.04 | 2.0 | F.01U.130.926
4
4.0
-
-
-
-
-
FAS / FCS
Quadruple U-pipe system for space protection
With high fan voltage
With high fan voltage
8
12
3.0
2.5
3.4
3.0
-
3.0
-
-
-
-
-
-
A
Operation Guide
Aspirating Smoke Detector
16
20
2.0
2.0
2.5
2.0
3.0
2.5
3.2
2.5
-
3.6
-
-
B
C
D
Bosch Sicherheitssysteme GmbH
24
2.0
2.0
2.0
2.5
2.5
3.6
4 m
20 m
35 m
300 m
4 m
12 m
32
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