38
TN4FCXA2
j
-EDF-
E
(2) Differential or flow pressure transmitters (FKC):
Slowly close the isolation valve
on the HP side.
Open the by-pass valve.
Slowly close the isolation valve
on the LP side.
Close
Open
Close
If the transmitter is out of service for a long time, it must be completely
bled to prevent any problem of freezing or corrosion.
INTERDICTION