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Gas measurement Liquid measurement Steam measurement
Upper
Upper
Lower
Within 45° upward from
vertical direction
Within 45° downward
from horizontal direction
Within 45° upward from
horizontal direction
45°
45°
45°
45°
45°
Lower
45°
Main process piping Pressure source
Pressure source is
located upper side of
main process piping
Pressure source is
located lower side of
main process piping
Pressure source is
located upper side of
main process piping
6.2.2 Piping of pressure transmitter type : FKP
Removal of protective cap
The process connection port of the transmitter is fitted with a protective cap. Before piping,
remove the cap carefully. When removing the cap, carefully protect the threaded portion and
sealing face from damage.
Connection of transmitter and impulse pipe
•Impulse pipe should directly be screwed into the transmitter.
•After connection, close the stop valve of transmitter in order to prevent foreign materials
from entering the inside.
Position of process taps (Horizontal main process piping)
The position of the process tap is determined by the relationship between condition, charac-
teristics and measurement point of process fluid. Note the following figures when planning
and installing the piping.