Emerson Rosemount 3051CF Series Reference Manual page 78

Hardware installation
July 2020
5. Close the equalize valve on the high pressure (upstream) side.
6. Finally, to return the transmitter to service, open the low side isolate valve and vent
78
A. Isolate (open)
B. Process
C. Equalize (open)
D. Equalize (closed)
E. Drain vent (closed)
F. Process
G. Isolate (closed)
A. Isolate (open)
B. Process
C. Equalize (closed)
D. Equalize (closed)
E. Drain vent (closed)
F. Process
G. Isolate (closed)
valve.
The vent valve can remain open or closed during operation.
Reference Manual
00809-0100-4774
Rosemount 3051