Piping Of Gauge And Absolute Pressure Tranmitters (Fkg/Fkp Or Fka/Fkh) - Fuji Electric FCX-AII-V5 series Instructions Manual And Service Instructions

3.2.2 Gauge and absolute pressure transmitters (types: FKG and FKA)
Remove the protective cap
protective cap. Before piping, be sure to remove the cap. When
removing the cap, carefully protect the threaded portion and seal-
ing face from damage.
Connect the transmitter to impulse pipes
valve. Tightening torque of 7/16-20UNF mounting bolt should be 30 to 40 Nm (3 to 4 kgf m).
• If manifold is not used, the inpulse pipes can directly screwed into the transmitter. If thread size
4 kgf m).
• For an absolute pressure measurement, make sure that isolating valves or manifold can be
designed for vaccum service.
Position of process connection
The position of the process connection is determined by the relationship between condition,
Follow the process position according to the process :
Gas measurement
0 to 45° up from the vertical
Recommandation for process connection
1- Liquid measurement
Place the transmitter below the process pipe.
Make piping so that gas in the impulse pipe is not delivered to
the transmitter and incorporate gas reservoir as required.
20
Liquid measurement
Upper
Lower
0 to 45° down from the vertical
Steam measurement
Upper
Lower
0 to 45° up from the vertical
Pressure tap
Isolating
valve
Process pipe
Impulse pipe
Vent valve
TN5FCXA2V5h-E