Emerson Rosemount 5408 Reference Manual page 52

Mechanical Installation
November 2017
2. Tighten the bolts and nuts (see
Note
Re-tighten after 24 hours and again after the first temperature cycle.

Check at regular intervals and re-tighten if necessary.

Table 3-8. Torque Value, lb-ft (N-m)
Process
connection size
2-in./DN50/50A
3-in./DN80/80A
4-in./DN100/100A
1. The conditions used for the calculation are: Standard mating metal flange, A193 B8M Cl.2 / A4-70 bolt material, and a friction coefficient of
μ=0.16.
2. Low strength bolt and non-metallic mating flange may require lower tightening torque.
3. Align the transmitter head (see
40
Table 3-8).
(1)(2)
ASME B16.5
Class 150 Class 300
29 (40) 52 (70)
33 (45) 48 (65)
59 (80) 52 (70)
page 37).
Process connection rating
EN1092-1
PN6 PN10/PN16 PN25/PN40
15 (20) 26 (35)
37 (50) 37 (50)
37 (50) 37 (50)
Reference Manual
00809-0100-4408, Rev BA
JIS B2220
10K
29 (40) 18 (25)
41 (55) 22 (30)
74 (100) 26 (35)
Mechanical Installation