VXR21/22/23 Series Water Hammer Relief Pilot Operated
Water Hammer Relief,
Pilot Operated 2 Port Solenoid Valve
Series VXR21/22/23
For Water and Oil
쐽 Water hammer is alleviated.
쐽 Easy to disassemble and reassemble in a short time.
VX2
VXD
VXZ
VXE
N.C.
VXP
VXR
VXH
VXF
N.O.
VX3
VXA
Variations
VCH첸
Valve 앬
OUT
Normally closed
(N.C.)
IN
OUT
Normally open
(N.O.)
VDW
앬 Electrical entry
VQ
• Grommet
• Conduit
• DIN terminal
• Conduit terminal
LVM
VCA
IN
VCB
쏔AC
Standard
Option
쏔DC
Standard
Option
VCL
Rated voltage 앬
VCS
100 V, 200 V
48 V, 110 V, 220 V, 240 V
24 V
12 V
VCW
Model
Model
Material 앬
Body
Seal
BC6
NBR, FKM
VXR215 20
VXR226 20
VXR227 20
VXR238 20
VXR239 20
Port size
Rc
Orifice dia.
(mmø)
1 2,3 4
20
25
35
40
50
1
11 4
11 2
2
157
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Applicable Fluids Check List
Water Hammer Relief/Pilot Operated 2 Port Solenoid Valve Series VXR21/22/23
Normally Closed (N.C.)
Refer to page 159 for specifications and models.
Option Symbol and Composition
Option symbol
Seal material
Standard
A
D
NBR
FKM
FKM
Coil insulation
type
B
Fluid Name and Option
Body, Shading
coil material
Fluid (Application)
Option symbol
BC6, Copper
Heated water (up to 80°C)
Fuel oil (up to 60°C)
Fuel oil (up to 80°C)
D
A
D
H
∗ lf using for other fluids, please contact SMC.
Normally Open (N.O.)
Refer to page 161 for specifications and models.
Option Symbol and Composition
Option symbol Seal material
Standard
A
D
NBR
FKM
FKM
Coil insulation
type
B
H
Body, Shading
coil material
BC6, Copper
Fluid Name and Option
Holder material
(in core assembly)
Polyacetal
Stainless Steel
Fluid (Application)
Option symbol
Heated water (up to 80°C)
Fuel oil (up to 60°C)
Fuel oil (up to 80°C)
D
A
D
∗ lf using for other fluids, please contact SMC.
158
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7-2-13-VXR.qxd
10.2.15 11:27 AM
Page 1
Water Hammer Relief, Pilot Operated 2 Port Solenoid Valve
Series VXR21/22/23
For Water and Oil
Normally Closed (N.C.)
Fluid
Option
Standard specifications
Water (Standard, up to 60°C)
Turbine oil
High temperature water
High temperature oil
(D)
(D)
Note) Refer to page 158 "Applicable Fluids Check List" for details of special fluids outside of
the standard options and specifications.
VX2
VXD
Model/Valve Specifications <Normally Closed>
Connection
JIS Symbol
OUT
IN
Thread
Orifice
diameter
(mmø)
Model
20
20
25
35
40
50
VXR2150-04
VXR2150-06
VXR2260-10
VXR2270-12
VXR2380-14
VXR2390-20
12
34
1
11 4
11 2
2
Note)
Min.operating Max. operating pressure Flow characteristics
Max. system Mass
differential (MPa)
Water, Oil
pressure
pressure
differential
(g)
Cv
-6
2
Water
Oil
Av x 10 (m ) converted (MPa)
(MPa)
0.04
1.0
0.7
160
180
290
530
720
1200
6.5
7.5
12
22
30
48
1250
1250
1730
2900
3700
4600
1.5
Note) Mass of grommet type. Add 10 g for conduit type, 30 g for DIN terminal 60 g for conduit
terminal type respectively.
• Refer to “Glossary of Terms” on page 26 for details of max. operating pressure differential min. operating pressure differential and max. system pressure.
VXZ
VXE
VXP
VXR
VXH
VXF
VX3
VXA
Be sure to read “Specific
Product Precautions.”
Solenoid Specifications
Frequency Apparent power (VA) Power consumption Temperature rise (°C )
W (Holding)
(Rated voltage)
(Hz)
Inrush
Holding
4.5
45
50
20
11
AC
VXR21
3.2
35
60
17
7
—
—
—
DC
6
55
7.5
60
50
40
18
AC
6
50
60
35
12
VXR22
—
—
—
DC
8
60
11
65
50
50
21
AC
VXR23
9.5
60
60
45
17
—
—
—
DC
11.5
65
Note) • They are values in an ambient temperature of 20°C ±5°C and application of rated
voltage.
• Changing a coil from AC to DC is possible, but it's impossible to change from DC to
AC.
(Hum sound may generate because of no shading coil for DC.)
• Return voltage is 20% or more of the rated value at AC power and 2% or more at the
DC power.
• Allowable voltage fluctuation is ±10% of the rated voltage.
Model
Power
source
Fluid temperature (°C)
Power source
Water
(Standard)
Oil
(Standard)
AC
60
60
DC
40
40
Minimum
AC/DC
1
–5 Note 1)
2
Note 1) 50 mm /s or less
Note 2) “D” in parentheses is an option symbol.
Maximum
VDW
VQ
LVM
VCA
VCB
VCL
VCS
VCW
Fluid and Ambient Temperature
Temperature
conditions
VCH첸
Ambient
High temperature High temperature temperature
water Note 2)
oil Note 2)
(D)
(D)
(°C)
80
—
—
80
—
—
60
40
–10
159
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Series VXR21/22/23
How to Order (Normally Closed)
VXR21
VXR22
VXR23
0
Electrical option
Nil
Model
S
L
Z
∗ Refer to the table (2) given below for availability.
Body size
20A
25A
32A
40A
50A
5
6
7
8
9
Electrical entry
G
C
D
T
Valve/Body
Rated voltage
1
2
3
4
5
6
7
8
9
Solenoid valve option
Nil
Standard
Select an option mark in page 158 by "Applicable Fluids
Check List" for special fluids outside of the standard.
Port size
04
06
10
12
14
20
Size
12
34
1
114
112
2
Applicable model
VXR2150-04
VXR2150-06
VXR2260-10
VXR2270-12
VXR2380-14
VXR2390-20
Ordering example
(Example) Series VXR21, Rc 3/4, 24 VDC,
Conduit terminal
(Part no.) VXR2150-06-5T
100 VAC 50/60 Hz
200 VAC 50/60 Hz
110 VAC 50/60 Hz
220 VAC 50/60 Hz
24 VDC
12 VDC
240 VAC 50/60 Hz
48 VAC 50/60 Hz
Other (Please contact SMC separately.)
∗ Refer to the table (2) given below for availability.
12
34
Refer to page 166 for ordering coil
only.
1
114
112
2
Thread type
Nil
∗ Refer to the table
(1) given below for
availability.
Table(1)
Connection Size and Applicable Model
Grommet
Conduit
DIN terminal
Conduit terminal
∗ Refer to the table (2) given
below for availability.
Normally closed/Single unit
0
None
With surge voltage suppressor
With indicator light
With light/surge voltage suppressor
T
F
N
Rc
NPTF
G
NPT
Table(2)
Rated Voltage-Electrical Entry-Electrical Option
Insulation type
Electrical entry
Electrical option
1 (100 V)
2 (200 V)
3 (110 V)
AC
4 (220 V)
7 (240 V)
8 (48 V)
5 (24 V)
DC
6 (12 V)
G
S Note)
앬
앬
앬
앬
앬
앬
앬
앬
Class B
C
D, T
—
S
L, Z
앬
앬
앬
앬
앬
앬
앬
앬
앬
앬
앬
앬
—
앬
앬
—
앬
앬
앬
앬
앬
—
앬
앬
G, C
—
앬
앬
앬
앬
앬
—
—
—
Class H
T
S
L, Z
앬
앬
앬
앬
앬
앬
앬
앬
—
앬
—
앬
—
—
—
—
Note) Surge voltage suppressor is attached in the middle of lead wire.
Made to
Order
Made to Order Specifications
on JIS C 0920
Splashproof Specifications ( Based
Based on IEC529IP-X4 )
VXR Model — Port size — Electrical entry - X36
DIN terminal or class H coil not available.
160
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7-2-13-VXR.qxd
10.2.15 11:27 AM
Page 2
Water Hammer Relief, Pilot Operated 2 Port Solenoid Valve
Series VXR21/22/23
For Water and Oil
Normally Open (N.O.)
Fluid
Option Note)
Standard specifications
High temperature water
(D)
Water (Standard, up to 60°C)
High temperature oil
(D)
Turbine oil
Note) Refer to page 158 "Applicable Fluids Check List" for details of special fluids outside of
the standard options and specifications.
The armature in standard products is coated in grease.
Connection
OUT
IN
VXD
VXZ
Model/Valve Specifications <Normally Open>
JIS Symbol
VX2
Note)
Min. operating Max. operating pressure Flow characteristics
Max.
differential (MPa)
Water, Oil
pressure
system Mass
differential
pressure (g)
-6
2
Cv
Water
Oil
Av x 10 m converted (MPa)
(MPa)
Orifice
Model
Thread diameter
(mmø)
12
20
160
1270
6.5
VXR2152-04
34
20
180
7.5
1270
VXR2152-06
1
25
290
12
1770
VXR2262-10
0.04
0.7
0.6
1.5
114
35
530
22
2900
VXR2272-12
112
40
720
30
3700
VXR2382-14
2
50
1200
48
4600
VXR2392-20
Note) Mass of grommet type. Add 10 g for conduit type, 30 g for DIN terminal type, 60 g for
conduit terminal type respectively.
• Refer to “Glossary of Terms” on page 26 for details of max. operating pressure
differential and min. operating pressure differential and max. system pressure.
VXE
VXP
VXR
VXH
VXF
VX3
VXA
Be sure to read “Specific
Product Precautions.”
Solenoid Specifications
Power
source
Frequency
(Hz)
50
60
—
50
60
—
50
60
—
Apparent power (VA)
Inrush
Holding
25
12
20
8
—
—
45
20
40
15
—
—
60
25
50
20
—
—
Power consumption Temperature rise (°C )
(W) (Holding)
(Rated voltage)
50
5
AC
35
VXR21
3.5
50
6
DC
55
8
AC
45
6.5
VXR22
50
8
DC
60
10.5
AC
VXR23
50
9.5
55
11.5
DC
Note) • They are values in an ambient temperature of 20°C ± 5°C and application of rated
voltage.
• Changing coils from AC to DC and vice versa is impossible. because of different core
shapes.
• Return voltage is 20% or more of the rated value at AC power and 5% or more at the
DC power.
• Allowable voltage fluctuation is ±10% of the rated voltage.
Model
Fluid temperature (°C )
Maximum
Minimum
AC
DC
AC/DC
Water
(Standard)
60
40
1
VDW
VQ
LVM
VCA
VCB
VCL
VCS
VCW
Fluid and Ambient Temperature
Temperature
Power source
conditions
VCH첸
Oil
(Standard)
60
40
–5 Note 1)
Ambient
High temperature High temperature
temperature
oil Note 2)
water Note 2)
(D)
80
—
—
(D)
80
—
—
(°C )
60
40
–10
Note 1) 50 mm2/s or less
Note 2) “D” in parentheses is an option symbol.
161
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Series VXR21/22/23
How to Order (Normally Open)
VXR21
VXR22
VXR23
2
Electrical option
Nil
Model
S
L
Z
None
With surge voltage suppressor
With indicator light
With light/surge voltage suppressor
∗ Refer to the table (2) given below for availability.
Body size
5
6
7
8
9
Electrical entry
20A
25A
32A
40A
50A
G
C
D
T
∗ Refer to the table (2) given
below for availability.
Valve/Body
Rated voltage
Normally open/Single unit
2
1
2
3
4
5
6
7
8
9
Solenoid valve option
Nil
Standard
Select an option mark in page 158 by "Applicable Fluids
Check List" for special fluids outside of the standard.
Port size
04
06
10
12
14
20
Size
12
34
1
114
112
2
Applicable model
VXR2152-04
VXR2152-06
VXR2262-10
VXR2272-12
VXR2382-14
VXR2392-20
Ordering example
(Example) Series VXR22, Rc 1 1/4, 200 VAC,
Conduit terminal
100 VAC 50/60 Hz
200 VAC 50/60 Hz
110 VAC 50/60 Hz
220 VAC 50/60 Hz
24 VDC
12 VDC
240 VAC 50/60 Hz
48 VAC 50/60 Hz
Other (Please contact SMC separately)
∗ Refer to the table (2) given below for availability.
12
34
Refer to page 166 for ordering coil
only.
1
11 4
11 2
2
Thread type
Nil
T
F
N
∗ Refer to the table
(1) given below
for availability.
Table (1)
Connection Size and Applicable Model
Grommet
Conduit
DIN terminal
Conduit terminal
Rc
NPTF
G
NPT
Table (2)
Rated Voltage-Electrical Entry-Electrical Option
Insulation type
Electrical entry
Electrical option
1 (100 V)
2 (200 V)
3 (110 V)
AC
4 (220 V)
7 (240 V)
8 (48 V)
5 (24 V)
DC
6 (12 V)
G
S Note)
앬
앬
앬
앬
앬
앬
앬
앬
Class B
C
D, T
—
S
L, Z
앬
앬
앬
앬
앬
앬
앬
앬
앬
앬
앬
앬
—
앬
앬
—
앬
앬
앬
앬
앬
—
앬
앬
G, C
—
앬
앬
앬
앬
앬
—
—
—
Class H
T
S
L, Z
앬
앬
앬
앬
앬
앬
앬
앬
—
앬
—
앬
—
—
—
—
Note) Surge voltage suppressor is attached in the middle of lead wire.
(Part no.) VXR2272-12-2G
Made to
Order
Made to Order Specifications
on JIS C 0920
Splashproof Specifications ( Based
Based on IEC529IP-X4 )
VXR Model — Port size — Electrical entry - X36
DIN terminal or class H coil not available.
162
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Water Hammer Relief, Pilot Operated 2 Port Solenoid Valve
Series VXR21/22/23
For Water and Oil
Construction/Principal Parts Material
Normally Closed (N.C.)
Normally Open (N.O.)
VX2
VXD
VXZ
VXE
VXP
Operation
< Valve opened > When the coil o is energized the armature assembly u
is attracted into the core of the core assembly y and the pilot valve A
opens. Then the pressure in the pressure action chamber B falls to open
the main valve C.
< Valve closed > When the coil o is not energized, the pilot valve A is
closed and the pressure in the pressure action chamber B rises and the
main valve C closes.
Water hammer relieving
Check valve mechanism is provided in the E side of the supply orifice D
and E and supply into the pressure action chamber B can be controlled
with two stages by moving the diaphragm assembly r. After release of
the energy, when the open amount of the main valve C becomes small,
E is blocked. A low valve closing speed relieves the water hammer.
No.
Description
1
2
3
Body
Bonnet
O-ring
Diaphragm
assembly
Valve spring
Core assembly
Armature
assembly
4
5
6
7
Material
Option
Standard
BC6
—
—
BC6
NBR
FKM
Stainless steel, Brass Stainless steel, Brass
FKM
NBR
—
Stainless steel
—
Stainless steel, Copper
Stainless steel, NBR
Stainless steel, FKM
8
Return spring
Stainless steel
—
9
Coil assembly
Class B molded
Class H molded
Operation
< Valve closed > When the coil u is energized the opened pilot A closes,
the pressure in the pressure action chamber B rises and the main valve
C closes.
< Valve opened > When the coil u is not energized, the closed pilot valve
A opens, the pressure in the pressure action chamber B drops and the
main valve C opens.
Water hammer relieving
Check valve mechanism is provided in the E side of the supply orifice D
and E and supply into the pressure action chamber B can be controlled
with two stages by moving the diaphragm assembly r. After release of
the energizing, when the open amount of the main valve C becomes
small, E is blocked. A low valve closing speed relieves the water hammer.
VXR
VXH
VXF
VX3
VXA
VCH첸
VDW
No.
Description
5
Body
Bonnet
O-ring
Diaphragm
assembly
Valve spring
6
Core assembly
7
Coil assembly
1
2
3
4
Material
Option
Standard
BC6
—
—
BC6
NBR
FKM
Stainless steel, Brass Stainless steel, Brass
NBR
FKM
—
Stainless steel
Stainless steel, Copper, Stainless steel, Copper
NBR, Polyacetal, PTFE
FKM, PTFE
Class B molded
Class H molded
VQ
LVM
VCA
VCB
VCL
VCS
VCW
163
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Series VXR21/22/23
Water Hammer Relieving Characteristics (VXR2150/2152/2260/2262)
Water hammer
(Example) Series VXR2 prevents damage of
piping, equipment and system and generation of vibration through a great relieving of a
water hammer generated using an ordinary
solenoid valve.
Water hammer max. pressure (MPa)
How to read the graph
When the SGP piping having the same bore
as the solenoid valve is 30 m in length, the
maximum pressure at the initial pressure of
0.5 MPa results in about 1.1 MPa. (General
purpose solenoid valve is 4.0 to 7.0 MPa.)
1.1 MPa
l
Initia
sure
pres
pa
MP
)
0.3
sing
Po=
e clo
v
l
a
at v
sure
Pres
(
SGP piping length L (m)
Water Hammer Relieving Characteristics (VXR2270/2272/2380/2382/2390/2392)
Water hammer max. pressure (MPa)
How to read the graph
When the SGP piping having the same bore
as the solenoid valve is 30 m. in the length,
the maximum pressure at the initial pressure
of 0.5 MPa results in about 0.8 MPa. (General purpose solenoid valve is 2.0 to 4.0
MPa.)
0.8 MPa
MpPaa
.3M
PPoo=00.3
e closing)
ure at valv
re (Press
ssu
Initial pre
SGP piping length L (m)
164
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Water Hammer Relief, Pilot Operated 2 Port Solenoid Valve
Series VXR21/22/23
For Water and Oil
Dimensions
Normally closed: VXR21쏔0/22쏔0/23쏔0 Normally open: VXR21쏔2/22쏔2/23쏔2
Grommet: G
VX2
VXD
VXZ
VXE
VXP
2xP
VXR
Port size
VXH
DIN terminal: D
Conduit: C
VXF
VX3
VXA
VCH첸
Cable
ø6 to ø12
VDW
VQ
LVM
VCA
VCB
Conduit terminal: T
VCL
VCS
VCW
Port size
B
A
P
Rc
Normally closed Normally open
1 2, 3 4
VXR2150- 06
VXR2152- 06
80 101 (112)
04
04
1
90 119 (136)
VXR2260-10 VXR2262-10
11 4
125 126 (143)
VXR2270-12 VXR2272-12
11 2
132 142 (157)
VXR2380-14 VXR2382-14
2
150 153 (168)
VXR2390-20 VXR2392-20
Model
C
D
E
F
H
J
K
L
18
21
26.5
30
35.5
32.5
36.5
43.5
46.5
52
36
40
51.5
54.5
59
36
42
53
60
70
39
45
67.5
72
81
41
45
57.5
60
69
20
23
23
25.5
25.5
30
35
35
40
40
Grommet
M
N
74 (81) 23
88 (98) 25.5
90 (100) 25.5
101 (111) 28
106 (116) 28
Electrical entry
DIN terminal
Conduit
M
N
M
N Q
67 (74) 39 67 (74) 59 47
80 (90) 41.5 80 (90) 60 48
82 (92) 41.5 82 (92) 60 48
93 (103) 44.5 93 (103) 62 50
98 (108) 44.5 98 (108) 62 50
Conduit terminal
M
N Q
67 (74) 92 59
80 (90) 95 62
82 (92) 95 62
93 (103) 97 64
98 (108) 97 64
( ): N.O.
165
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Series VXR21/22/23
Solenoid Coil Assembly
How to Order Solenoid Coil Assembly
VX021 001 C B
01
Rated voltage Note)
VX solenoid coil assembly
Electrical option
Application
Size part number
001
No.1 solenoid
002
No.2 solenoid
003
No.3 solenoid
Nil
Applicable series
Series VXR21
Series VXR22
Series VXR23
S
L
Z
None
With surge voltage suppressor
With indicator light
With light/surge voltage suppressor
Terminal box
Electrical entry
G
C
D
Nil
Grommet
Conduit
DIN terminal
T
None
With terminal box
Coil insulation type
B
H∗
Class B insulation
Class H insulation
∗ DIN terminal or DC
not available
Ordering example
(Example) Series VXR21, 100 VAC, class B insulation, grommet
(Part no.) VX021-001GB-01
(Example) Series VXR22, 220 VAC, class B insulation, DIN terminal (with terminal box)
(Part no.) VX021-002DBT-04
(Example) Series VXR23, 24 VDC, conduit terminal, with light/surge voltage suppressor
(Part no.) VX021-003CBTZ-05
Coil Combination Table
(Electrical entry - Coil insulation type - Electrical option)
With electrical option
Without
Electrical entry electrical option
With surge
With indicator With light/surge
voltage suppressor
voltage suppressor
light
GB
GBS
—
—
Grommet
GH
—
—
—
CB
—
—
—
CH
—
—
—
Conduit
CBT
CBTS
CBTL
CBTZ
CHT
CHTS
CHTL
CHTZ
—
—
—
DB
DIN terminal
DBT
DBTS
DBTL
DBTZ
Made to
Order
01
02
03
04
05
06
07
08
13
23
51
53
55
56
100 VAC 50/60 Hz
200 VAC 50/60 Hz
110 VAC 50/60 Hz
220 VAC 50/60 Hz
24 VDC
12 VDC
240 VAC 50/60 Hz
48 VAC 50/60 Hz
24 VAC 50/60 Hz
440 VAC 50/60 Hz
6 VDC
48 VDC
100 VDC
110 VDC
Note) Voltage symbols 01
to 08 are the same
as the solenoid
valve model identification symbols if
the leading zero is
removed.
Made to Order specifications
on JIS-C-0920
Splashproof Specifications ( Based
Based on IEC5291-X4 )
Model — Sonlenoid coil assembly model with -X36 added at the end.
∗ Applicable voltages for with indicator light or with light/surge voltage
suppressor are 100 VAC, 200 VAC, 110 VAC, 220 VAC and 24 VDC.
∗ Applicable voltages for CHTL or CHTZ are 100 VAC, 200 VAC, 110
VAC and 220 VAC.
166
Courtesy of Steven Engineering, Inc.-230 Ryan Way, South San Francisco, CA 94080-6370-Main Office: (650) 588-9200-Outside Local Area: (800) 258-9200-www.stevenengineering.com
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