PVC-body purgemeter for measuring large ﬂow rates
of liquids

P-520
Purgemeter■ OUTLINEThe resin construction eliminates the mixing of metallic ions intoprocess liquids. The P-520 is ideal for pure and ultra-pure waterlines insemiconductor production facilities. Alarm contacts can be added.

■ MAJOR APPLICATIONSPure waterlines■ STANDARD SPECIFICATIONS
Measuring ﬂuidLiquids
Min. 1 to 10 L/min
WaterMax. 12 to 60 L/min
Measuring range
・When selecting a ﬂow range, refer to thestandard ﬂow rate table.
Range ability
10:1 (10:2 for some models)
Indication accuracy±5％ F.S.
Fluid pressure
Max. 0.5 Mpa
Max. 80℃ (Depends on the gasket material or
Fluid temperaturebody material)
PVC（Max. 60℃）
, HT-PVC（Max. 80℃）
,Wetted parts
PTFE（Max. 80℃）
Tapered tube Heat-resistant glass
Fluoro rubber
Ethylene-propylene rubber (EPDM)（Max. 80℃）
MaterialGasket
・The maximum ﬂuid temperature for eachgasket material may vary depending on usage
and ambient conditions.
Support
SUS304
Cover
Transparent PVC
Rc : 1/2" (Standard）, 3/4", 1"
Process Connection
NPT : 1/2", 3/4", 1"
Screw mount on the panel front (Standard)
Mounting
Panel embedded mounting
Massapprox. 1.2kg■ BASIC MODEL CODE
P-52

Flowdirection

Model Code□ ‒ □ 0 ‒ □ □ ‒ □ □0Bottom rear
→ Top rear(Standard)

1

Bottom → Top

9Valve

‒‒‒0L
Z0A
B

Alarm output

GeneralReed switch type alarm unit
UL-approved
PAU optical alarm unit

CD

■ ALARM CONTACT AND OUTPUT
Type

Availability○○○E

Wetted parts material

For CE approval, refer to "Index & Quick Reference for P Series
Purgemeters" (TG-S0001).

■ STANDARD FLOW RATE TABLE
For alarm output codes of 0 or E
Water
1 to 10 L/min*
1.5 to 15 L/min
2 to 20 L/min
3 to 30 L/min
4 to 40 L/min
4.5 to 45 L/min
5 to 50 L/min
12 to 60 L/min

For alarm output codes of A to D
Water
Alarm setting range
1.2 to 12 L/min 2.4 to 10 L/min
1.5 to 15 L/min
3 to 12 L/min
2 to 20 L/min
4 to 16 L/min
3 to 30 L/min
6 to 24 L/min
4 to 40 L/min
8 to 32 L/min
4.5 to 45 L/min
9 to 36 L/min
5 to 50 L/min 10 to 40 L/min
12 to 60 L/min 18 to 48 L/minAlthough other flow rate specifications are available, some flow ranges
need to be changed. Contact us for details.
*1 Contact us for ﬂow rate ranges of less than 1 to 10 L/min.

■ OTHER AVAILABLE OPTIONS

Descriptions

‒‒
‒‒

PT
4
Z
F

Gasket material

EZ‒

R‒

N

Process connection type

Process connection size

Notes
Select thiscode for normal
conditions.
Models with avalve cannot be
speciﬁed.

SpecialNot provided
InletSpecial
Not provided
Reed switch(LO)
Refer to "Index &Reed switch
Quick Reference(LC)
for P Series
Reed switch(HO)Purgemeters"
Reed switch(TG-S0001).
(HC)
PAU alarm unit
providedPVC（Standard）
PTFE
SUS304
SpecialFluoro rubber
Ethylenepropylene rubber（EPDM）
SpecialScrew mounting
on a panel front
Rc（Standard） For othermounting options,
Refer to "Index &Quick Reference
for P Series
NPT female
Purgemeters"(TG-S0001).
4 1/2"（Standard）
5 3/4"
Available only
for ﬂow direction
code= 0 (Bottom
6 1"
rear → Top rear)and valve code=0 (none)
Z Special

You can specify the following options:Two-point alarm, length of reed switch lead wire, double graduations,special graduations, various joint types, etc. For details, refer to "Index &Quick Reference for P Series Purgemeters" (TG-S0001).

TG-F1093-1ERevised
Oct 2015 K
1st edition Jun 2014 K

P-520Purgemeter■ ORDERING INFORMATION
Basic model code

Items to be speciﬁed
①
②
③
④
⑤
Fluid name − Flow range − Press. − Temp. − Mounting option

Ｐ-52 □ - □□ - □□ - □□（Select in the model code table.）−⑥
Other options（Refer to "Index & Quick Reference for P Series Purgemeters" (TG-S0001).）■ NOTE
Depending on the required speciﬁcations, the P-520-L with a valve falls under valves or components thereof listed in (ii)-7 of row 3 of Appended Table
1 of the Export Trade Control Order. Contact us for details.

■ DIMENSIONS● Standard typeP − 520 − L0 − PF − R4

● Straight-through typeP − 521 − 00 − PF − R5

■ Screw mounting on the panel front■ Valve at the inlet■ Screw mounting on the panel front (bottom → top)
■ Without a valve
OUT

4-M6 D7 (back side)(For mounting)

50

50

4-M6 D7 (back side)

4-φ7

Panel cut64（MAX.60）

150190150150(For mounting)

6464

Panel cutIN

Note: Use non-magnetic material for the panel when the alarm output
code is one of A to D.

● Standard material● Standard typeP − 520 − 00 − PF − R6Parts name■ Screw mounting on the panel front■ Without a valve
55

Body

4-M6 D7 (back side)

Tapered tube
Float ＊55

(For mounting)Gasket

OUT

160

160

210

160

4-φ7

Float rod
Float stopper
Valve
ColumnCoverStandard material

Available material
HT-PVC, PTFE,SUS304○ Heat-resistant glass−○ PVC,SUS304,PTFE−
Ethylene-propylene○ Fluoro rubberrubber (EPDM)○ FEP-coated SUS316−○ PVCPTFE○ PVCPTFESUS304−
Transparent PVC−○ PVC

Parts marked ○ come in contact with the measuring ﬂuid.
＊ We will select a proper material for your application.

36
φ2-IN

70

70

SUS316 may be used instead of SUS304 due to production reasons.
ASTM or AISI materials equivalent to JIS materials may be used due toproduction reasons.

Panel cut

* Specification is subject to change without notice.

Head Office : Shiba Toho Building, 1 – 7 – 24 Shibakoen, Minato-ku, Tokyo 105 – 8558
Tel : +81-3 – 3431 – 1625 (KEY) ; Fax : +81-3 – 3433 – 4922
e-mail : overseas.sales@tokyokeiso.co.jp ; URL : http://www.tokyokeiso.co.jp
2TOKYO KEISO CO., LTD.

TG-F1093-1E