Emerson Rosemount 3051 Reference Manual page 62

Hardware installation
August 2019
2. Install the Integral Manifold on the sensor module. Use the four 2.25-in (57.2 mm).
3. If you have replaced the PTFE sensor module O-rings, re-tighten the flange bolts
Install Rosemount
Only use the Rosemount 306 Manifold with a Rosemount 3051T In-Line Transmitter.
WARNING
Process leaks
Process leaks could result in death or serious injury.
Assemble the Rosemount 306 Manifold to the Rosemount 3051T In-Line Transmitter with
a thread sealant.
Install Rosemount 304 Conventional Manifold
See Safety messages
Procedure
1. Align the Conventional Manifold with the transmitter flange. Use the four manifold
62
Important
If replacing the O-rings, take care not to scratch or deface the O-ring grooves or the
surface of the isolating diaphragm while you remove the damaged O-rings.
manifold bolts for alignment. Finger tighten the bolts; then tighten the bolts
incrementally in a cross pattern as seen in
See Flange bolts for complete bolt installation and torque values. When fully
tightened, the bolts should extend through the top of the sensor module housing.
Figure 3-12: Bolt Tightening Pattern
after installation to compensate for cold flow of the O-rings.
™
306 Integral Manifold
Install and tighten process connectors before applying pressure.
Install and tighten all four flange bolts before applying pressure.
Do not attempt to loosen or remove flange bolts while the transmitter is in service.
for complete warning information.
bolts for alignment.
Reference Manual
Figure 3-12 to final torque value.
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Rosemount 3051