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