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Reference Manual
00809-0100-4803, Rev DA
Section 2: Installation
April 2013
Installation
To install adapters to a Coplanar flange, perform the following procedure:
1. Remove the flange bolts.
2. Leaving the flange in place, move the adapters into position with the o-rings installed.
3. Attach the adapters and the Coplanar flange to the transmitter SuperModule assembly
using the longer of the bolts supplied.
4. Tighten the bolts. Refer to Table 2-2 on page 2-17 for torque specifications.
Refer to “Spare Parts” on page 2-37 for the correct part numbers of the flange adapters and
o-rings designed for the 3051S MultiVariable Transmitter.
Note
The two styles of Rosemount flange adapters (Rosemount 3051S/3051/2051) each require a
unique o-ring (see Figure 2-8). Use only the o-ring designed for the corresponding flange
adaptor.
Figure 2-8. O-Rings.
When removing flanges or adapters, visually inspect the PTFE o-rings. Replace them if there
are any signs of damage, such as nicks or cuts. If replacing the o-rings, re-torque the flange
bolts after installation to compensate for seating of the PTFE o-ring. Refer to “Flange and
Drain Vent” on page 2-20
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 below.
ROSEMOUNT 3051S / 3051 / 2051
Flange Adapter
O-ring
PTFE Based
Elastomer
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