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Quick Start Guide
Procedure
1. Finger-tighten the bolts.
2. Torque the bolts to the initial torque value using a crossing
pattern (see
3. Torque the bolts to the final torque value using the same
crossing pattern (see
4. Verify that the flange bolts are protruding through the isolator
plate before applying pressure.
Table 2-2: Torque values for the flange and flange adapter
bolts
2.6
O-rings with flange adapters
WARNING
Failure to install proper flange adapter O-rings may cause process
leaks, which can result in death or serious injury.
The two flange adapters are distinguished by unique O-ring grooves.
Only use the O-ring that is designed for its specific flange adapter, as
shown in
10
Table 2-2
Bolt
Head markings
material
Carbon
steel (CS)
316
Stainless
steel (SST)
316
Figure
2-5.
for torque values).
Table 2-2
for torque values).
B7M
B8M
316
STM
SW
316
316
R
February 2024
Initial
Final
torque
torque
300 in-lb
650 in-lb
150 in-lb
300 in-lb
Emerson.com/Rosemount
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