Emerson Rosemount 3051 Reference Manual page 23

Reference Manual
00809-0100-4001, Rev JA
316
KM
Bolt installation
Only use bolts supplied with the Rosemount 3051 or sold by Emerson Process Management as
spare parts for the Rosemount 3051 transmitter. Use the following bolt installation procedure:
1.
2.
3.
Table 2-2. Bolt installation torque values
Bolt material
See "Safety messages" on page 5
Installation
Carbon Steel (CS) Head Markings
B7M
660
B8M
CL A
Alloy K-500 Head Marking
Finger-tighten the bolts.
Torque the bolts to the initial torque value using a crossing pattern (see
torque values).
Torque the bolts to the final torque value using the same
crossing pattern.
CS-ASTM-A445 Standard
316 SST—Option L4
ASTM-A-19 B7M—Option L5
Alloy 400—Option L6
for complete warning
Stainless Steel (SST) Head Markings
F593_*
* The last digit in the F593_ head marking may be
any letter between A and M.
Initial torque value
300 in.-lb (34 N-m)
150 in.-lb (17 N-m)
300 in.-lb (34 N-m)
300 in.-lb (34 N-m)
Section 2: Installation
November 2012
Table 2-2 for
Final torque value
650 in.-lb (73 N-m)
300 in.-lb (34 N-m)
650 in.-lb (73 N-m)
650 in.-lb (73 N-m)
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