Vaisala DMP248, Operating Manual

Page: 16 / 141

OPERATING MANUAL _______________________________________________________________
12_____________________________________________________________________M210492
EN
-
A
handle
probe
non-leaking
screw A
process pipe / chamber
ball of the ball
valve
(hole diameter
at least 14 mm)
>30 mm
F
IGURE
3-7
Installing the sensor head through the DMP248BVS
ball valve assembly.
NOTE The probe can be installed in the process through the ball valve
assembly provided that the process pressure is less than 10 bars. This
way, the process does not have to be shut down when installing or
removing the probe. However, if the process is shut down before
removing the probe, the process pressure can be max. 20 bars.
See
F
IGURE
3-8
-
F
IGURE
3-11
for detailed description of installation
through the ball valve assembly. This installation is possible
provided that the process pressure is less than 10 bars. Note also
that if the sensor head is installed in a process pipe, the nominal size
of the pipe must be at least 1 inch.
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