Emerson Rosemount 3051S Series - O-rings with flange adapters

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. Only use the O-ring
that is designed for its specific flange adapter.
Figure 2-6: O-Ring flange adapter
A
B
C
D
A. Flange adapter
B. O-ring
C. PTFE-based profile (square)
D. Elastomer profile (round)
Whenever the flange or adapters are removed, visually inspect the O-
rings. Replace them if there are any signs of damage, such as nicks or
cuts. If the O-rings are replaced, re-torque the flange bolts and
alignment screws after installation to compensate for seating of the
O-rings.
January2024 Quick Start Guide
Quick Start Guide 11