YOKOGAWA Vigilantplant ST401G - Operation; ST401 G-FC4-N-A (with Free Available Chlorine Analyzer)

< 4. OPERATION >
4-1
IM 12A0V2-E
4. OPERATION
The following operation must start after the preparation of pH converter system and free available
chlorine analyzer referring to the manuals of each equipment.
4.1 ST401G-FC4-N-A (With free available chlorine
analyzer)
Open ball valve (BV1) completely. Adjust needle valve (NV1) and make the fl ow rate into free
available chlorine detector between 0.1 and 2.5 l/min.
Refer to Figure 4.1 for piping.
<Tubing materials>
= =
XX
φ22 / φ15 soft tube with net
(VP40)
Drain
VP16 Pipe
PipeVP40
φ6 / φ4 Polyethylene tube
PR1 : Pressure-reducing valve
FCC : Free available chlorine converter
FCD : Free available chlorine detector
NV1 : Needle valve
BV1 : Ball valve
NV1
FCC
=
X
(VP16)
Measuring water
=
FCD
BV1
PR1
PVC tray
φ12 / φ9 Polyethylene tube
=
Figure 4.1 Piping diagram of ST401G-FC4-N-A