Emerson Rosemount 3051S Series, Reference Manual

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Reference Manual
00809-0100-4801, Rev FA
October 2010
2-7
Rosemount 3051S Series
Bolt Installation
Only use bolts supplied with the Rosemount 3051S or sold by Emerson
Process Management as spare parts. When installing the transmitter to
one of the optional mounting brackets, torque the bolts to 125 in-lb.
(0,9 N-m). Use the following bolt installation procedure:
1. Finger-tighten the bolts.
2. Torque the bolts to the initial torque value using a crossing pattern.
3. Torque the bolts to the final torque value using the same
crossing pattern.
Torque values for the flange and manifold adapter bolts are as follows:
Table 2-1. Bolt Installation
Torque Values
Bolt Material Initial Torque Value Final Torque Value
CS-ASTM-A449 Standard 300 in.-lb (34 N-m) 650 in.-lb (73 N-m)
316 SST—Option L4 150 in.-lb (17 N-m) 300 in.-lb (34 N-m)
ASTM-A-193-B7M—Option L5 300 in.-lb (34 N-m) 650 in.-lb (73 N-m)
Alloy K-500 —Option L6 300 in.-lb (34 N-m) 650 in.-lb (73 N-m)
ASTM-A-453-660—Option L7 150 in.-lb (17 N-m) 300 in.-lb (34 N-m)
ASTM-A-193-B8M—Option L8 150 in.-lb (17 N-m) 300 in.-lb (34 N-m)