Emerson Rosemount 3051 Manual page 24

Rosemount Model 3051 Transmitter with F
See "Safety Messages" on page 2-1 for complete warning information.
2-18
TM
fieldbus Protocol
OUNDATION
Head Markings
Carbon Steel (CS) — Option L5
Stainless Steel (SST) — Option L4
316 B8M
Optional Flange and Adapter Bolts
Option Codes L4, L5, and L6 replace the standard carbon steel flange
and adapter bolts with alternative materials. The material types and
torque specifications are given in Table 2-2 .
Installation
Only use bolts supplied with the Model 3051 or sold by Rosemount Inc.
as spare parts for the Model 3051 transmitter. Use the following bolt
installation procedure:
1. Finger-tighten the bolts.
2. Torque the bolts to the initial torque value using a crossing pattern
(see Table 2-2 for torque values).
3. Torque the bolts to the final torque value using the same
crossing pattern.
Table 2-2. Bolt InstallationTorque Values.
Bolt Material
CS-ASTM-A449 Standard
316 SST—Option L4
ASTM-A-193-B7M—Option L5
Monel—Option L6
B7M
* The last digit in the F593_ head marking
F593_*
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)
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)