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Water Hammer Relief, Pilot Operated 2 Port Solenoid Valve VXR21/22/23 Series (Part Numbers)

Water Hammer Relief, Pilot Operated 2 Port Solenoid Valve VXR21/22/23 Series

SMC Solenoid Valve.
[Features]
· Water hammer is alleviated.
· Easy to disassemble and reassemble in a short time.

(i)Caution

  • Product images may be representative images. Refer to the catalog for details.

PDF

Part Number

Configured Part Number is shown.

Water Hammer Relief, Pilot Operated 2 Port Solenoid Valve VXR21/VXR22/VXR23 Series, For Water/Oil, Normally Closed (N.C.) Specifications

Normally closed (N.C.) external appearance

Normally closed (N.C.) external appearance

Normally closed (N.C.) display symbol

Normally closed (N.C.) display symbol

*When the valve is closed IN and OUT are blocked, but the fluid cannot be blocked when the pressure at port 2 exceeds the pressure at port 1.

Model / Valve Specifications (Normally Open)

ConnectionOrifice Diameter
mm ø
ModelMinimum Operating Pressure Differential *2
MPa
Maximum Operating Pressure Differential *2 MPaFlow Rate CharacteristicsMaximum System Pressure *2
MPa
Weight *1
g
ThreadWaterOilWater/Oil
KvConversion Cv
1/220VXR2150-040.041.00.75.76.51.51,250
3/420VXR2150-066.47.51,250
125VXR2260-1010.3121,730
1 1/435VXR2270-1218.9222,900
1 1/240VXR2380-1425.7303,700
250VXR2390-2042.8484,600

*1: This is the grommet value. Add 10 g for conduit types, 30 g for DIN terminals, 60 g for terminals respectively.
*2 See the SMC catalog for details on the maximum and minimum operating pressure differentials and the maximum system pressure.

Solenoid Specifications

ModelPower SupplyFrequency
Hz
Apparent Power VAPower Consumption
W (Holding)
Temperature Increase °C
(Rated Voltage)
InrushHolding
VXR21AC5020114.545
601773.235
DC---655
VXR22AC5040187.560
603512650
DC---860
VXR23AC5050211165
6045179.560
DC---11.565
  • *Value is for when rated voltage is applied and ambient temperature is 20°C ±5°C.
  • *It is possible to change the coil from AC to DC during use. However, it is not possible to change from DC to AC.
    (The lack of a shading coil for DC means there may be a humming.)
  • *The return voltage is 20% or more of the rated value for an AC power supply and 2% or more of the rated value for a DC power supply.
  • *The allowable voltage fluctuation is ±10% of the rated voltage.

Fluid Temperature and Ambient Temperature

Temperature ConditionsPower SupplyFluid Temperature °CAmbient Temperature
°C
Water
(Standard)
Oil
(Standard)
High Temperature Water *2
(D)
High Temperature Oil *2
(D)
MaximumAC6060808060
DC4040--40
MinimumAC/DC1-5*1---10

*1 50 mm2/s or less.
*2 The D within the parenthesis ( ) is the option symbol.

Structure / Principle Part Materials

Normally closed (N.C.) diagram

Normally closed (N.C.) diagram

NumberPart NameMaterial
StandardOption
1BodyCAC408-
2BonnetCAC408-
3O-RingNBRFKM
4Diaphragm
Assembly
SUS, brass, NBRSUS, brass, FKM
5Valve SpringSUS-
6Core AssemblySUS, copper-
7Armature
Assembly
SUS, NBRSUS, FKM
8Return
Spring
SUS-
9Coil
Assembly
Class B moldedClass H molded

Operation

  • When the coil (9) is energized, the armature assembly (7) is attracted into the core of the core assembly (6), opening pilot valve (A). When the pilot valve (A) is opened, the pressure in the pressure action chamber (B) falls, opening the main valve (C).
  • When the coil (9) is not energized, the pilot valve (A) closes and the pressure in the pressure action chamber (B) increases, closing the main valve (C).

Water Hammer Relief

  • A check valve mechanism is provided on the (E) side of the supply orifices (D) and (E). Supply into the pressure action chamber (B) can be controlled in 2 stages by moving the diaphragm assembly (4). After cutting power, orifice (E) will become blocked when the port of main valve (C) reduces in its opening diameter. Having this slower valve closing speed helps alleviate the water hammer effect.

Water Hammer Relief, Pilot Operated 2 Port Solenoid Valve VXR21/VXR22/VXR23 Series, For Water/Oil, Normally Open (N.O.) Specifications

Normally open (N.O.) external appearance

Normally open (N.O.) external appearance

Normally open (N.O.) display symbol

Normally open (N.O.) display symbol

*When the valve is closed IN and OUT are blocked, but the fluid cannot be blocked when the pressure at port 2 exceeds the pressure at port 1.

Model / Valve Specifications (Normally Open)

ConnectionOrifice Diameter
mm ø
ModelMinimum Operating Pressure Differential *2
MPa
Maximum Operating Pressure Differential *2 MPaFlow Rate CharacteristicsMaximum System Pressure *2
MPa
Weight *1
g
ThreadWaterOilWater/Oil
KvConversion Cv
1/220VXR2152-040.040.70.65.76.51.51,270
3/420VXR2152-066.47.51,270
125VXR2262-1010.3121,770
1 1/435VXR2272-1218.9222,900
1 1/240VXR2382-1425.7303,700
250VXR2392-2042.8484,600

*1: This is the grommet value. Add 10 g for conduit types, 30 g for DIN terminals, 60 g for terminals respectively.
*2 See the SMC catalog for details on the maximum and minimum operating pressure differentials and the maximum system pressure.

Solenoid Specifications

ModelPower SupplyFrequency
Hz
Apparent Power VAPower Consumption
W (Holding)
Temperature Increase °C
(Rated Voltage)
InrushHolding
VXR21AC502512550
602083.535
DC---650
VXR22AC504520855
6040156.545
DC---850
VXR23AC50602510.560
6050209.550
DC---11.555
  • *Value is for when rated voltage is applied and ambient temperature is 20°C ±5°C.
  • *Changing coils from AC to DC and vice-versa during use is not possible because of the different core shape.
  • *The return voltage is 20% or more of the rated value for an AC power supply and 5% or more of the rated value for a DC power supply.
  • *The allowable voltage fluctuation is ±10% of the rated voltage.

Fluid Temperature and Ambient Temperature

Temperature ConditionsPower SupplyFluid Temperature °CAmbient Temperature
°C
Water
(Standard)
Oil
(Standard)
High Temperature Water *2
(D)
High Temperature Oil *2
(D)
MaximumAC6060808060
DC4040--40
MinimumAC/DC1-5*1---10

*1 50 mm2/s or less.
*2 The D within the parenthesis ( ) is the option symbol.

Structure / Principle Part Materials

Normally open (N.O.) diagram

Normally open (N.O.) diagram

NumberPart NameMaterial
StandardOption
1BodyCAC408-
2BonnetCAC408-
3O-RingNBRFKM
4Diaphragm
Assembly
SUS, brass, NBRSUS, brass, FKM
5Valve SpringSUS-
6Core
Assembly
SUS, copper, NBR, POM, PTFESUS, copper, FKM, PTFE
7Coil
Assembly
Class B moldedClass H molded

Operation

  • When the coil (7) is energized, the opened pilot valve (A) closes and the pressure in the pressure action chamber (B) increases, closing the main valve (C).
  • Cutting power to the coil (7) will open the closed pilot valve (A) and decrease the pressure in the pressure action chamber (B), opening the main valve (C).

Water Hammer Relief

  • A check valve mechanism is provided on the (E) side of the supply orifices (D) and (E). Supply into the pressure action chamber (B) can be controlled in 2 stages by moving the diaphragm assembly (4). After energizing, orifice (E) will become blocked when the port of main valve (C) reduces in its opening diameter. Having this slower valve closing speed helps alleviate the water hammer effect.

Water Hammer Relieving Characteristic Diagrams

VXR2150, VXR2152, VXR2260, VXR2262

Water hammer relieving characteristic diagram 1

Water hammer relieving characteristic diagram 1

Water Hammer

(Example) The VXR2 Series helps greatly mitigate the severe water hammer effect generated by use of normal solenoid valves. This prevents vibrations and damage to piping, equipment and devices. The graph above shows an overview of how the water hammer effect is mitigated.

How to Read the Graph

When there is 30 m of SGP piping with the same diameter as the solenoid valve being used, the maximum pressure will be approximately 1.1 MPa with an initial pressure of 0.5 MPa. (4 to 7 MPa for general use solenoid.)

VXR2270, VXR2272, VXR2380, VXR382, VXR2390, VXR2392

Water hammer relieving characteristic diagram 2

Water hammer relieving characteristic diagram 2

How to Read the Graph

When there is 30 m of SGP piping with the same diameter as the solenoid valve being used, the maximum pressure will be approximately 0.8 MPa with an initial pressure of 0.5 MPa. (2 to 4 MPa for general use solenoid.)

 

*See the SMC catalog for information other than that detailed above.

Part Number
VXR2260-10N-5D
VXR2260-10N-5DS
VXR2260-10T-3D
VXR2260A-10-4G
VXR2260D-10-3G
VXR2260D-10-4G
VXR2260D-10-4T
VXR2260D-10-4TZ
VXR2262-10-1DZ
VXR2262-10-3G
VXR2262-10-4DZ
VXR2262-10-4G
VXR2262-10-5D
VXR2262-10-5G
VXR2262D-10F-4TZ
VXR2270-12-1DZ
VXR2270-12-3D
VXR2270-12-3G
VXR2270-12-4DZ
VXR2270-12-4G
VXR2270-12-5DZ
VXR2270-12-5G
VXR2270-12-7D
VXR2270-12T-5D
VXR2272-12-3D
VXR2272-12-4G
VXR2272-12-5G
VXR2272D-12F-4TZ
VXR2380-14-1DZ
VXR2380-14-2DZ
VXR2380-14-2G
VXR2380-14-3D
VXR2380-14-3G
VXR2380-14-4D
VXR2380-14-4DL
VXR2380-14-4DZ
VXR2380-14-4G
VXR2380-14-5D
VXR2380-14-5DZ
VXR2380-14-5G
VXR2380-14-5TZ
VXR2380-14-7D
VXR2380-14-7G
VXR2380-14F-5DZ
VXR2380-14N-3C
VXR2380-14N-3DS
VXR2380-14N-4D
VXR2380-14N-5DS
VXR2380-14N-5DZ
VXR2380A-14-4G
VXR2380A-14F-5G
VXR2380D-14-4G
VXR2380D-14N-3C
VXR2382-14-3G
VXR2382-14-4G
VXR2382-14-5D
VXR2390-20-1DZ
VXR2390-20-1TZ
VXR2390-20-3D
VXR2390-20-3DZ
VXR2390-20-3G
VXR2390-20-4C
VXR2390-20-4D
VXR2390-20-4DZ
VXR2390-20-4G
VXR2390-20-4TZ
VXR2390-20-5DZ
VXR2390-20-5G
VXR2390-20-5GS
VXR2390-20-5TZ
VXR2390-20-6G
VXR2390-20N-3DZ
VXR2390-20N-4DL
VXR2390-20N-7D
VXR2390-20N-7G
VXR2390D-20-3TZ
VXR2390D-20-4TZ
VXR2392-20-3G
VXR2392-20-4G
VXR2392-20-5D
VXR2392-20-5G
VXR2392-20N-4DL
VXR2392D-20-3G
Part NumberStandard Unit PriceMinimum order quantityVolume DiscountDays to ShipApplicable Fluid Operating Environment Switching Type Connection Type Plumbing Thread Nominal Insulation Class Voltage Sealing materials Option Detailed type Lead wire electrical entry Body size

SGD 400.40

1 Piece(s) 32 Day(s) -StandardNormally OpenNPT1B24 V DCNBRNoneStandardDIN terminal25 A

SGD 406.23

1 Piece(s) 32 Day(s) -StandardNormally OpenNPT1B24 V DCNBRWith surge suppressorStandardDIN terminal25 A

-

1 Piece(s) Quote -Standard / Water Hammer CompatibleNormally ClosedNPTF1B110 V AC 50/60 HzNBRNoneStandardDIN terminal25 A

SGD 437.15

1 Piece(s) 32 Day(s) OilStandardNormally Open[Rc (R)] Rc1B220 V AC 50/60 HzFKMNoneFuel oil (up to 60°C)Grommet25 A

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1 Piece(s) 32 Day(s) Water / OilStandardNormally Open[Rc (R)] Rc1H110 V AC 50/60 HzFKMNoneHot water (up to 80°C) / Fuel oil (up to 80°C)Grommet25 A

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1 Piece(s) 32 Day(s) -StandardNormally Closed[Rc (R)] Rc1B100 V AC 50/60 HzNBRSurge voltage suppressor / With lightStandardDIN terminal25 A

SGD 412.07

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SGD 447.42

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SGD 429.80

1 Piece(s) 32 Day(s) -StandardNormally Closed[Rc (R)] Rc1B24 V DCNBRNoneStandardDIN terminal25 A

SGD 412.07

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-

1 Piece(s) Quote Water / OilStandard / Water Hammer CompatibleNormally OpenG1H220 V AC 50/60 HzFKMSurge voltage suppressor / With lightHot water (up to 80°C) / Fuel oil (up to 80°C)Conduit terminal25 A

SGD 565.25

1 Piece(s) 32 Day(s) -StandardNormally Open[Rc (R)] Rc1 1/4B100 V AC 50/60 HzNBRSurge voltage suppressor / With lightStandardDIN terminal32A

SGD 547.52

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1 Piece(s) 32 Day(s) -StandardNormally Open[Rc (R)] Rc1 1/4B220 V AC 50/60 HzNBRNoneStandardGrommet32A

SGD 565.25

1 Piece(s) 32 Day(s) -StandardNormally Open[Rc (R)] Rc1 1/4B24 V DCNBRSurge voltage suppressor / With lightStandardDIN terminal32A

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SGD 547.52

1 Piece(s) 32 Day(s) -StandardNormally Open[Rc (R)] Rc1 1/4B240 V AC 50/60 HzNBRNoneStandardDIN terminal32A

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-

1 Piece(s) Quote Water / OilStandard / Water Hammer CompatibleNormally OpenG1 1/4H220 V AC 50/60 HzFKMSurge voltage suppressor / With lightHot water (up to 80°C) / Fuel oil (up to 80°C)Conduit terminal32A

SGD 624.05

1 Piece(s) 32 Day(s) -StandardNormally Open[Rc (R)] Rc1 1/2B100 V AC 50/60 HzNBRSurge voltage suppressor / With lightStandardDIN terminal40A

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SGD 624.05

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SGD 596.05

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1 Piece(s) Quote -Standard / Water Hammer CompatibleNormally ClosedNPT1 1/2B110 V AC 50/60 HzNBRWith surge suppressorStandardDIN terminal40A

SGD 606.43

1 Piece(s) 32 Day(s) -StandardNormally OpenNPT1 1/2B220 V AC 50/60 HzNBRNoneStandardDIN terminal40A

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1 Piece(s) Quote -Standard / Water Hammer CompatibleNormally ClosedNPT1 1/2B-NBRWith surge suppressorStandardDIN terminal40A

SGD 624.05

1 Piece(s) 32 Day(s) -StandardNormally OpenNPT1 1/2B24 V DCNBRSurge voltage suppressor / With lightStandardDIN terminal40A

SGD 653.57

1 Piece(s) 32 Day(s) OilStandardNormally Open[Rc (R)] Rc1 1/2B220 V AC 50/60 HzFKMNoneFuel oil (up to 60°C)Grommet40A

-

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SGD 706.53

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SGD 713.88

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SGD 741.77

1 Piece(s) 32 Day(s) -StandardNormally Open[Rc (R)] Rc2B220 V AC 50/60 HzNBRSurge voltage suppressor / With lightStandardDIN terminal50A

SGD 706.53

1 Piece(s) 32 Day(s) -StandardNormally Open[Rc (R)] Rc2B220 V AC 50/60 HzNBRNoneStandardGrommet50A

SGD 740.37

1 Piece(s) 32 Day(s) -StandardNormally Open[Rc (R)] Rc2B220 V AC 50/60 HzNBRSurge voltage suppressor / With lightStandardConduit terminal50A

SGD 741.77

1 Piece(s) 32 Day(s) -StandardNormally Open[Rc (R)] Rc2B24 V DCNBRSurge voltage suppressor / With lightStandardDIN terminal50A

SGD 706.53

1 Piece(s) 32 Day(s) -StandardNormally Open[Rc (R)] Rc2B24 V DCNBRNoneStandardGrommet50A

SGD 722.63

1 Piece(s) 32 Day(s) -StandardNormally Open[Rc (R)] Rc2B24 V DCNBRWith surge suppressorStandardGrommet50A

SGD 740.37

1 Piece(s) 32 Day(s) -StandardNormally Open[Rc (R)] Rc2B24 V DCNBRSurge voltage suppressor / With lightStandardConduit terminal50A

SGD 706.53

1 Piece(s) 32 Day(s) -StandardNormally Open[Rc (R)] Rc2B12 V DCNBRNoneStandardGrommet50A

SGD 741.77

1 Piece(s) 32 Day(s) -StandardNormally OpenNPT2B110 V AC 50/60 HzNBRSurge voltage suppressor / With lightStandardDIN terminal50A

SGD 738.85

1 Piece(s) 32 Day(s) -StandardNormally OpenNPT2B220 V AC 50/60 HzNBRWith lightStandardDIN terminal50A

-

1 Piece(s) Quote -Standard / Water Hammer CompatibleNormally ClosedNPT2B240 V AC 50/60HzNBRNoneStandardDIN terminal50A

SGD 706.53

1 Piece(s) 32 Day(s) -StandardNormally OpenNPT2B240 V AC 50/60 HzNBRNoneStandardGrommet50A

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1 Piece(s) 32 Day(s) Water / OilStandardNormally Open[Rc (R)] Rc2H110 V AC 50/60 HzFKMSurge voltage suppressor / With lightHot water (up to 80°C) / Fuel oil (up to 80°C)Conduit terminal50A

SGD 828.68

1 Piece(s) 32 Day(s) Water / OilStandardNormally Open[Rc (R)] Rc2H220 V AC 50/60 HzFKMSurge voltage suppressor / With lightHot water (up to 80°C) / Fuel oil (up to 80°C)Conduit terminal50A

SGD 735.93

1 Piece(s) 32 Day(s) -StandardNormally Closed[Rc (R)] Rc2B110 V AC 50/60 HzNBRNoneStandardGrommet50A

SGD 735.93

1 Piece(s) 32 Day(s) -StandardNormally Closed[Rc (R)] Rc2B220 V AC 50/60 HzNBRNoneStandardGrommet50A

SGD 753.55

1 Piece(s) 32 Day(s) -StandardNormally Closed[Rc (R)] Rc2B24 V DCNBRNoneStandardDIN terminal50A

SGD 735.93

1 Piece(s) 32 Day(s) -StandardNormally Closed[Rc (R)] Rc2B24 V DCNBRNoneStandardGrommet50A

SGD 768.37

1 Piece(s) 32 Day(s) -StandardNormally ClosedNPT2B220 V AC 50/60 HzNBRWith lightStandardDIN terminal50A

SGD 833.12

1 Piece(s) 32 Day(s) Water / OilStandardNormally Closed[Rc (R)] Rc2H110 V AC 50/60 HzFKMNoneHot water (up to 80°C) / Fuel oil (up to 80°C)Grommet50A

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Basic Information

Type Electromagnetic Type Driving Type Pilot Type Number of Solenoids Single Solenoid
Application Single Item Body material CAC408, copper

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