O-Rings With Flange Adapters - Emerson FB1200 Instruction Manual

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Emerson FB1200 Flow Computer Instruction Manual
D301782X012
March 2019
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Table 2-3: Torque Values for the Flange and Flange Adapter Bolts
Bolt Material Head markings
Carbon
Steel (CS)
Stainless Steel
(SST)
Figure 2-13: Proper Bolt Installation
1
2
2.7.2

O-rings with Flange Adapters

DANGER
Failure to install proper flange adapter O-rings may cause process leaks, which can result in death
or serious injury. Only use the O-ring that is designed for its specific flange adapter.
20
Carbon steel bolts do not require lubrication. Stainless steel bolts are factory-coated with a
lubricant to ease installation. Do not apply any additional lubricant when installing either
type of bolt.
Finger-tighten the bolts.
Torque the bolts to the initial torque value using a crossing pattern. See
torque value.
Torque the bolts to the final torque value using the same crossing pattern. See
final torque value.
Verify that the flange bolts protrude through the sensor module before applying pressure.
Bolt
Sensor module
Table 2-3
for initial
Table 2-3
Initial Torque
Final Torque
300 in. -lbs.
650 in. -lbs.
(73.4 N m)
(33.9 N m)
150 in. -lbs.
300 in. -lbs.
(16.9 N m)
(33.9 N m)
for
Installation

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