Inline Gage Transmitter Orientation - Emerson Rosemount 2051 Series Quick Start Manual

May 2013
Table 2. Torque values for the flange and flange adapter bolts
Bolt Material
Carbon Steel (CS)
Stainless Steel (SST)
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

Inline gage transmitter orientation

The low side pressure port (atmospheric reference) on the inline gage transmitter
is located in the neck of the transmitter, behind the housing. The vent path is 360°
around the transmitter between the housing and sensor. (See
Keep the vent path free of any obstruction, including but not limited to paint, dust, and
lubrication by mounting the transmitter so that the contaminants can drain away.
Head Markings
B7M
316 B8M
STM
316
316
R
for its specific flange adapter, as shown below.
Rosemount 3051S / 3051 / 2051 / 3095
Rosemount 1151
Initial Torque
300 in.-lbs.
316
150 in.-lbs.
SW
316
PTFE Based
Elastomer
Flange Adapter
PTFE
Elastomer
Quick Start Guide
Final Torque
650 in.-lbs.
300 in.-lbs.
Flange Adapter
O-ring
O-ring
.)
Figure 7
7