KROHNE OPTISONIC 7300 - 2.9.3 Control Valve Installation; 2.9.4 Flange Deviation Limits

2 INSTALLATION
12
OPTISONIC 7300
www.krohne.com 09/2018 - 4002312802 - QS OPTISONIC 7300 R04 en
2.9.3 Control valve
Install the flowmeter upstream of a control valve.
2.9.4 Flange deviation
CAUTION!
In case valve noise is expected (large pressure drop over valve or pressure reducer in the same
pipeline as the flowmeter), please contact the manufacturer.
Figure 2-11: Not recommended installation of the flowmeter and valve in the same pipeline
CAUTION!
Max. permissible deviation of pipe flange faces:
L
max
- L
min
d 0.5 mm / 0.02"
Figure 2-12: Flange deviation
1 L
max
2 L
min