10
Example
Fig. 2-4:
Example design length calculation
1
Suction socket
2
Branch
3
Central vacuum unit
4
Exhaust gas silencer
Suction pipe:
15.0 m
Exhaust air pipe:
3.0 m
45° bend:
3.5 m (seven pc., 0.5 m equivalent length each)
90° bend:
1.0 m (one pc., 1.0 m equivalent length)
Branch:
0.5 m (one pc.)
Design length:
23.0 m
Result:
Central vacuum unit type 2000
5 m
1 m
2 x 45°
1 x 45°
1 x 90°
7 m
2 m
2 x 45°
2 m
2 x 45°
1 m
3
4
1
2