Emerson Rosemount 5408 Reference Manual page 50

Mechanical installation
February 2020
2. Tighten the bolts and nuts (see
Table 3-9: Torque Value, lb-ft (N-m)
Process connection
(1)(2)
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.
Postrequisites
Align the transmitter head (see
50
Note
• Re-tighten after 24 hours and again after the first temperature cycle.
• Check at regular intervals and re-tighten if necessary.
ASME B16.5
Class 150 Class 300
29 (40) 52 (70)
33 (45) 48 (65)
59 (80) 52 (70)
Table 3-9).
Process connection rating
EN1092-1
PN6 PN10/
PN16
15 (20) 26 (35)
37 (50) 37 (50)
37 (50) 37 (50)
Align transmitter head).
Reference Manual
00809-0100-4408
(1)(2)
JIS B2220
PN25/PN40 10K
29 (40) 18 (25)
41 (55) 22 (30)
74 (100) 26 (35)
Reference Manual