Tightening the clasp nut, Figure 12, Sealing of fitting body into process – Vaisala HMT310 User Manual
Page 31: Table 4, Hmt318 probe dimensions
Chapter 3 ________________________________________________________________ Installation
VAISALA ________________________________________________________________________ 31
The following two fitting body options are available:
- Fitting Body ISO1/2 solid structure
- Fitting Body NPT1/2 solid structure
Table 4
HMT318 Probe Dimensions
Probe Type
Probe Dimension
Adjustment Range
Standard
178 mm
120 mm
Optional
400 mm
340 mm
0507-025
Figure 12
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).