VIDEO:
30 SECOND
PART BUILDER
EXPLAINED
- SMC Home
- Fluid Process
- Valves Specialized Application
- 2 Port Direct Solenoid Valve, Y type Strainer
- VXK, 2 Port Solenoid Valve with Built-in Y-Strainer
VXK, 2 Port Solenoid Valve with Built-in Y-Strainer
SMC's series VXK21/22/23, 2-port solenoid valve was designed with a Y type strainer installed inside the body to remove foreign materials mixed in fluids before they enter the actuating part of the valve (armature), as well as preventing the flow of foreign materials to downstream equipment. This unique filter design improves valve performance, stops leakage, and ensures longer valve life. The VXK series is available in AC or DC power options, in both normally closed and open valve types. It has IP65 enclosure accreditation and is ideal for use with air, water, oil or steam.
- Space saving and reduced piping labor
- Port size: 1/8 to 3/8 inch
- Built in strainer for contaminant removal
How to order
Port size
Refer to the Table (1)
shown below for availability.
Thread type
Nil
T
F
N
Rc
NPTF
G
NPT
VXK
221 01
VXK
221 01
Model
Refer to the Table (1)
shown below for availability.
Solenoid valve option
Refer to the Table (2)
shown below for availability.
Suffix
Nil
Z
—
Oil-free
Nil
V
NBR
FKM
C37 B
1
2
3
4
7
8
J
5
6
100 V
200 V
110 V
220 V
240 V
48 V
230 V
24 V
12 V
VXK21 VXK22 VXK23
1G
1G
R1
5
Orifice size
Refer to the Table (1)
shown below for availability.
Electrical entry
G -
Grommet
GS-
With grommet surge
voltage suppressor
C-
Conduit
T -
With conduit terminal
TS -
With conduit terminal and
surge voltage suppressor
TL -
With conduit terminal
and light
TZ -
With conduit
terminal, surge
voltage
suppressor
and light
D -
DIN terminal
DS -
DIN terminal with surge
voltage suppressor
DL -
DIN terminal with light
DZ -
DIN terminal with
surge voltage
suppressor and light
DO -
For DIN terminal
(without connector,
gasket is included.)
∗ DIN type is available with class B only.
Select nil because the
solenoid valve option “V”
is the oil-free treatment.
∗ Refer to the Table (3) for the available combinations between each electrical option
(S, L, Z) and rated voltage.
∗ Option “S”, “Z” are not available because a surge voltage suppressor is integrated
into the AC/Class B, built-in full-wave rectifier type as a standard.
AC
DC
Valve/Body configuration
0
2
N.C./Single unit
N.O./Single unit
0
0
Built-in
full-wave
rectifier type
Bracket
Nil
B
None
With bracket
∗ Packed in the same container
as the main body.
∗ Refer to the Table (4) when a
bracket is ordered separately.
∗ When using with vacuum, consider the max. differential pressure. (0.1 MPa or more is recommended.)
VXK21
VXK22
VXK23
How to Order (Single Unit)
Rated voltage
1
2
3
4
5
100 VAC 50/60 Hz
200 VAC 50/60 Hz
110 VAC 50/60 Hz
220 VAC 50/60 Hz
24 VDC
6
7
8
J
12 VDC
240 VAC 50/60 Hz
48 VAC 50/60 Hz
230 VAC 50/60 Hz
∗ Refer to the Table (3) shown below for availability.
Refer to page 14 for ordering a coil only.
Table (1) Model/Orifice Size/Port Size
Normally Closed (N.C.)
Table (3) Rated Voltage/Electrical Option
Normally Open (N.O.)
Table (4) Bracket Part No.
Table (2) Solenoid Valve Option
Model
Port
symbol
(Port size)
Model
Port
symbol
(Port size)
Option
symbol
Seal
material
Body
material
Coil
insulation type
Remarks
Solenoid valve (Port size)
Orifice symbol (Diameter)
Solenoid valve (Port size) Orifice symbol (Diameter)
01
(1/8)
02
(1/4)
02
(1/4)
03
(3/8)
02
(1/4)
03
(3/8)
VXK21 VXK22 VXK23
01
(1/8)
02
(1/4)
02
(1/4)
03
(3/8)
02
(1/4)
03
(3/8)
1
(2 mmø)
2
(3 mmø)
3
(4.5 mmø)
4
(6 mmø)
1
(2 mmø)
2
(3 mmø)
3
(4.5 mmø)
4
(6 mmø)
5
(8 mmø)
Non-leak (10
–6
Pa·m
3
/sec), Oil-free,
Medium vacuum (0.1 Pa.abs)
When you operate the VX series (AC spec.) by air, the built-in full-wave rectifier type is chosen.
•
The special construction of the armature reduces abrasion, resulting in a longer service life.
• Noise reduction
Best suited for medical equipment, low-noise environments, etc.
Dimensions → page 13 (Single unit)
Model Part no.
VXK021N-5A
∗ Option “S”, “Z” are not available because a surge voltage
suppressor is integrated into the AC/Class B, built-in full-
wave rectifier type as a standard.
AC/
DC
AC
DC
Rated voltage
Voltage
symbol
Voltage
With surge
voltage
suppressor
S
Class B
With
light
L
With light and
surge voltage
suppressor
Z
Fluid: Air
Connector
5
Series VXK21/22/23
Direct Operated 2 Port Solenoid Valve
with Built-in Y-strainer
For Air/Single Unit
Specifications
For Air
For Water
For Oil
For Steam
Dimensions
Construction
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