< 4. OPERATION >
4-3
IM 12A0V2-E
4.3 ST401G-PF¨-¨-A (With pH converter system and
free available chlorine analyzer)
Open ball valve (BV1) completely. Adjust ball valve (BV2) and needle valve (NV1) and make the ow
rate into pH ow-though type holder between 3 and 10 l/min and into free available chlorine detector
between 0.1 and 2.5 l/min.
<Tubing materials>
XX
φ22 / φ15 soft tube with net
(VP40)
Drain
VP16 pipe
pipeVP40
X
(VP16)
Measuring water
PVC tray
φ12 / φ9 Polyethylene tube
PHC
TK1
UCL
PHS
PHH
BV2
BV1
PR1
=
=
FCC
FCD
FCC : Free available chlorine converter
FCD : Free available chlorine detector
NV1 : Needle valve
PR1 : Pressure-reducing valve
BV1, 2 : Ball valve
PHC : pH converter
PHH : Flow-through type holder
PHS : pH sensor
TK1 : KCl tank
ULC : Ultrasonic oscillator (Suffix code: -U)
=
φ6 / φ4 Polyethylene tube
=
NV1
Figure 4.3 Piping diagram of ST401G-PF¨-¨-A
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