Emerson Rosemount 2051CF Series Quick Start Manual page 11

May 2023
Figure 2-3: O-rings
A. Flange adapter
B. O-ring
C. PFTE based
D. Elastomer
NOTICE
Replace PTFE O-rings if you remove the flange adapter.
2.7 Environmental seal for housing
Thread sealing (PTFE) tape or paste on male threads of conduit
is required to provide a water/dust tight conduit seal and meets
requirements of NEMA
other Ingress Protection ratings are required.
For M20 threads, install conduit plugs to full thread engagement or
until mechanical resistance is met.
2.8 In-line gauge transmitter orientation
The low side pressure port (atmospheric reference) on the in-line
gauge 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 fluids
can drain away.
Quick Start Guide
Type 4X, IP66, and IP68. Consult factory if
®
Figure 2-4.)
Quick Start Guide
11