Installation ________________________________________________________________________
Vaisala _________________________________________________________________________ 21
FIGURE 3-6 Tightening the clasp nut.
NOTE
Take care not to tighten the clasp nut more than 60° to avoid
difficulties when opening it.
Installing the probe through the
ball valve assembly
The best way for installing the sensor head to pressurized process or
pipeline is to install it through the ball valve assembly. This
installation makes it unnecessary to empty or shut down the process
for installing or removing the sensor head. Use the Vaisala
DMP248BVS ball valve set or a 1/2" ball valve assembly with a ball
hole of ∅14 mm or more. If you install the sensor head (∅ 13.5 mm)
in a process pipe, please note that the nominal size of the pipe must be
at least 1 inch (2.54 cm). The manual press tool can be used to press
the sensor head into the pressurized (< 10 bar) process or pipeline.
1. probe
2. clasp nut
3. pen
4. fitting screw
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