ABB LS4000 Operating Instructions Manual page 56

56
Parallel installation
flanges
Installation flange
offset
Installing blind
flanges
Approving start of
installation
LS4000, LS4060 DIODE LASER ANALYZERS | OI/LS4000/O2-EN REV. A
Ensure that the installation flanges are as parallel to one another as possible.
No. Meaning
Installation flange symmetry axes
1
90° to the axle of the installation flange for the
2
transmitter unit
90° to the axle of the installation flange for the
3
receiver unit
To the greatest degree possible, ensure that the orifice installation flanges
are not offset.
No. Meaning
Imaginary connection lines between the trans-
1–2
mitter unit and the receiver unit
3–4
Clearance for installation flanges DN 50 and
5
ANSI 2 in.
Once the installation flanges are fitted, it is advisable to close them with blind
flanges until the analyzer is installed.
If ...
all values are within the toler-
ance range
one or more values are outside
the tolerance range
then ...
the installation process can be started.
the laser analyzer must not be installed.
Tolerance
Max. ± 1.5°
Max. ± 1.5°
Dimension
Min. 40 mm