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Chapter 3 ________________________________________________________________ Installation
VAISALA ________________________________________________________________________ 21
The following two fitting body options are available:
- Fitting Body ISO1/2 solid structure (DRW212076SP)
- Fitting Body NPT1/2 solid structure (NPTFITBODASP)
Table 4
MMT318 Pipe Dimensions
Type
Standard
Optional
Use teflon tape or thread sealant to seal the connection between the
fitting body and the process/ball valve.
Figure 6
Sealing of Fitting Body into Process
Tightening the Clasp Nut
1.
Adjust the probe to a suitable depth according to the type of
installation.
2.
Tighten the clasp nut first manually.
3.
Mark the fitting screw and the clasp nut.
4.
Tighten the nut a further 50 - 60º (ca. 1/6 turn) with a wrench. If
you have suitable torque wrench, tighten the nut to max 45 ± 5 Nm
(33 ± 4 ft-lbs).
Pipe Dimension
178 mm
400 mm
Adjustment Range
120 mm
340 mm
0507-025
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