26
A B C
D
E
1.
Determine the required valve setting
from the diagram subject to the inten-
ded pressure drop and air flow rate
for the section.
Example:
The design provides the following
details for the part section:
■ Kitchen extract air valve: DN 100
■ Pressure drop: 20 Pa
■ Air flow rate: 40 m
3
/h
Valve position:
C
2.
Make the determined valve setting at
kitchen extract air valve
A
-
E
.
3.
Record the value in the commission-
ing report.
Kitchen extract air valve DN 125
177
125
177
220
220
30
Max. flow rate: 75 m
3
/h
Commissioning, inspection, maintenance
Further details regarding the individual steps
(cont.)
5608 999 GB
