Datasheet

u
i
o
!0
!1!2
w
q r w
w wye
t
w
Aqueous solution concentration [%] (Weight)
100
90
80
70
60
50
40
30
20
10
0
Aqueous solution temperature [C]
0 10 20 30 40 50 60 70 80 90
Measurable within this range
Wetted Parts Construction
( )
Attachment
Seal
Body
Sensor
Temperature sensor
Temperature sensor body
Flow adjustment valve body
Flow adjustment valve cover
Flow adjustment valve shaft
Shaft support
Y seal
Cap seal
No. Description
1
2
3
4
5
6
7
8
9
10
11
12
Material Note
SCS13
Stainless steel 304
FKM
PPS
PPS
Stainless
steel 304
Stainless steel 304
PPS
PPS
Stainless steel 304
PPS
FKM
FKM
Stainless steel 304 equivalent PF3W704/720/740/711/504/520/540/511
PF3W721/521
With brazing
JIS Z 3261: BAg-7,
ISO 3677: B-Ag56CuZnSn-620/650
Component Parts
Measurable Range for Ethylene Glycol
Aqueous Solution (Reference Value)
Flow-rate Characteristics of Flow Adjustment Valve
PF3W704S/504S
PF3W720S/520S PF3W740S/540S
6.0
4.0
2.0
0
0 2 4 5
Number of rotations [rotations]
6P: Pressure differential between the front and the rear of product
Flow rate [L/min]
6 P = 0.4 MPa
6 P = 0.3 MPa
6 P = 0.2 MPa
6 P = 0.1 MPa
Number of rotations [rotations]
6P: Pressure differential between the front and the rear of product
Flow rate [L/min]
20.0
15.0
10.0
5.0
0
0 2 4 5
6P = 0.2 MPa
6
P = 0.1 MPa
6 P = 0.4 MPa
6 P = 0.5 MPa
Flow rate [L/min]
0
0
10
20
30
40
50
60
1 2 3 4 5 6 7 8
Number of rotations [rotations]
6P: Pressure differential between the front and the rear of product
6P = 0.4 MPa
6 P = 0.5 MPa
6 P = 0.3 MPa
6 P = 0.2 MPa
6 P = 0.1 MPa
6P = 0.5 MPa
6
P = 0.3 MPa
3-Color Display Digital Flow Switch for Water
PF3W
3-Color Display Digital Flow Switch for PVC Piping
PF3W
3-Color Display Digital Flow Monitor for Water
PF3W3
Function
Details
6
Digital Flow Switch for Water
Series PF3W
3-color display