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Direct Air Operated 3 Port Valve VXA31/32 Series

Direct Air Operated 3 Port Valve VXA31/32 Series

An air operated valve made by SMC.
[Features]
· Can control a wide variety of fluids. Abundant variety of combinations.
· An easy-to-use combination type that can be used as a normally open type or a normally closed type. (C.O.)
· Easy to disassemble and reassemble in a short time.
· Can control fluids with high viscosity (500 mm2/s).

(i)Caution

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

PDF

Japanese Only

Part Number

Configured Part Number is shown.

Direct Air Operated 3 Port Valve VXA31/VXA32 Series Specifications

Direct Air Operated 3 Port Valve VXA31/VXA32 Series external appearance

Direct Air Operated 3 Port Valve VXA31/VXA32 Series external appearance

Common (C.O.) display symbol

Common (C.O.) display symbol

Piping Connection Port DiameterOrifice Diameter
mm
ModelMaximum Operating Pressure Differential
MPa
Flow Rate CharacteristicsMaximum System Pressure
MPa
Proof Pressure
MPa
Weight
g
Water/Oil
Av × 10-6 m2Conversion Cv
1/8 (6A)1.5VXA31141.01.90.081.01.5280
2.2VXA31240.53.80.16
3VXA31340.38.00.24
1/4 (8A)1.5VXA31141.01.90.08
2.2VXA31240.53.80.16
VXA32241.04.60.19410
3VXA31340.38.00.24280
VXA32340.69.00.33410
4VXA32440.3120.50
3/8 (10A)2.2VXA32241.04.60.19
3VXA32340.69.00.33
4VXA32440.3120.50

Fluid Temperature and Ambient Temperature

Temperature ConditionsFluid Temperature °CAmbient Temperature
°C
Water
(Standard)
Oil
(Standard)
*2Vacuum
(V, M)
Maximum40404040
Minimum1*1-5-5-5
  • *1: 1,500 mm2/s or less.
  • *2: The V, M, etc. within the ( ) are option symbols.

Fluid

Standard Specification

  • Water (general, up to 40°C)
  • Turbine oil

Options*

  • Medium vacuum (0.1 Pa·abs): V, M
  • Non-leak (10-6 Pa·m3/sec or less): V, M

*See the "Applicable Fluids Checklist" in the SMC catalog for non-standard special fluids and optional specifications.

Valve Airtightness (Leakage Rate)

Seal material: NBR, FKM, EPDM

  • Fluid: 0.1 cm3/min or less
  • *Non-leak, vacuum: 10-6 Pa·m3/sec or less

*The value is for options V and M (non-leak and vacuum).

Product Dimensions

 

(Units: mm)

 

Direct Air Operated 3 Port Valve VXA31/VXA32 Series dimensional drawing

Direct Air Operated 3 Port Valve VXA31/VXA32 Series dimensional drawing

 

(Units: mm)

 

ModelSymbol
Piping Connection Port Diameter
P
ABCDEFGHJWith Bracket
KLM
VXA311/8, 1/41920182022.542.571812162914.5
VXA321/4, 3/82520212027.547.58090277.53217

Product Diagram

Direct Air Operated 3 Port Valve VXA31/VXA32 Series diagram

Direct Air Operated 3 Port Valve VXA31/VXA32 Series diagram

NumberPart NameMaterial
StandardOption
1Body AssemblyBrassSUS
2Retainer AssemblyBrassSUS
3Valve AssemblyNBR/PPSFKM/EPDM
PPS
4AdapterBrassSUS
5Travel AssemblySUS, NBR, polyacetalFKM/EPDM
SUS
6Pilot CoverAluminum-
7Piston SpringSUS-
8Piston AssemblyPolyacetal, NBR-
9O-RingNBRFKM/EPDM

*See the SMC catalog for product information other than the above.

Part Number
VXA3114-01
VXA3114-02-B
VXA3114-02T
VXA3114A-02N
VXA3114H-01-B
VXA3114J-02-B
VXA3114M-02-B
VXA3114V-01N-B
VXA3115-00
VXA3115V-00
VXA3124-01
VXA3124-01-B
VXA3124-02
VXA3124-02N
VXA3124A-01
VXA3124A-01-B
VXA3124A-02
VXA3124A-02-B
VXA3124H-01-B
VXA3124H-02-B
VXA3124J-01-B
VXA3124M-01-B
VXA3124M-01N-B
VXA3124M-02-B
VXA3124N-02-B
VXA3124P-02-B
VXA3124V-01
VXA3124V-01N-B
VXA3124V-02
VXA3124V-02-B
VXA3125-00
VXA3125A-00
VXA3134-01
VXA3134-01-B
VXA3134-02
VXA3134-02-B
VXA3134-02N
VXA3134G-02N-B
VXA3134H-01T-B
VXA3134V-01
VXA3134V-02
VXA3134V-02-B
VXA3134V-02N-B
VXA3224-02
VXA3224-02-B
VXA3224-02N
VXA3224-02N-B
VXA3224-03
VXA3224-03N
VXA3224A-02N
VXA3224B-02
VXA3224H-02N-B
VXA3224J-02N-B
VXA3224M-02-B
VXA3224M-02N-B
VXA3224V-02-B
VXA3224V-03-B
VXA3234-02-B
VXA3234-03
VXA3234-03-B
Part NumberStandard Unit PriceMinimum order quantityVolume DiscountDays to ShipApplicable Fluid Connection Type Plumbing Thread Nominal Driving Type Orifice Dia.
(Ø)
Number of Solenoids Operating Pressure Differential Range
(MPa)
Application Sealing materials Body material Bracket

SGD 87.15

1 Piece(s) 32 Day(s) -[Rc (R)] Rc1/8Linear Motion Type1.5Single Solenoidnull~1.0Single ItemNBRBrassNone

SGD 89.83

1 Piece(s) 32 Day(s) -[Rc (R)] Rc1/4Linear Motion Type1.5Single Solenoidnull~1.0Single ItemNBRBrassYes

-

1 Piece(s) Quote Air / Water / Oil / GasNPTF1/4---null~1.0Single ItemNBR-None

SGD 111.30

1 Piece(s) 32 Day(s) Water / OilNPT1/4Linear Motion Type1.5Single Solenoidnull~1.0Single ItemFKMBrassNone

SGD 198.57

1 Piece(s) 32 Day(s) Water / Oil[Rc (R)] Rc1/8Linear Motion Type1.5Single Solenoidnull~1.0Single ItemFKMSUSYes

-

1 Piece(s) Quote Air / Water / Oil / Gas[Rc (R)] Rc1/4---null~1.0Single ItemEPDMSUSYes

SGD 220.03

1 Piece(s) 32 Day(s) Vacuum[Rc (R)] Rc1/4Linear Motion Type1.5Single Solenoidnull~1.0Single ItemFKMSUSYes

SGD 154.23

1 Piece(s) 32 Day(s) VacuumNPT1/8Linear Motion Type1.5Single Solenoidnull~1.0Single ItemFKMBrassYes

SGD 87.15

1 Piece(s) 32 Day(s) ---Linear Motion Type1.5Single Solenoidnull~1.0Multi-PortNBRBrassNone

SGD 151.55

1 Piece(s) 32 Day(s) Vacuum--Linear Motion Type1.5Single Solenoidnull~1.0Multi-PortFKMBrassNone

SGD 87.15

1 Piece(s) 32 Day(s) -[Rc (R)] Rc1/8Linear Motion Type2.2Single Solenoidnull~0.5Single ItemNBRBrassNone

SGD 89.83

1 Piece(s) 32 Day(s) -[Rc (R)] Rc1/8Linear Motion Type2.2Single Solenoidnull~0.5Single ItemNBRBrassYes

SGD 87.15

1 Piece(s) 32 Day(s) -[Rc (R)] Rc1/4Linear Motion Type2.2Single Solenoidnull~0.5Single ItemNBRBrassNone

SGD 87.15

1 Piece(s) 32 Day(s) -NPT1/4Linear Motion Type2.2Single Solenoidnull~0.5Single ItemNBRBrassNone

SGD 111.30

1 Piece(s) 32 Day(s) Water / Oil[Rc (R)] Rc1/8Linear Motion Type2.2Single Solenoidnull~0.5Single ItemFKMBrassNone

SGD 113.98

1 Piece(s) 32 Day(s) Water / Oil[Rc (R)] Rc1/8Linear Motion Type2.2Single Solenoidnull~0.5Single ItemFKMBrassYes

SGD 111.30

1 Piece(s) 32 Day(s) Water / Oil[Rc (R)] Rc1/4Linear Motion Type2.2Single Solenoidnull~0.5Single ItemFKMBrassNone

SGD 113.98

1 Piece(s) 32 Day(s) Water / Oil[Rc (R)] Rc1/4Linear Motion Type2.2Single Solenoidnull~0.5Single ItemFKMBrassYes

SGD 198.57

1 Piece(s) 32 Day(s) Water / Oil[Rc (R)] Rc1/8Linear Motion Type2.2Single Solenoidnull~0.5Single ItemFKMSUSYes

SGD 198.57

1 Piece(s) 32 Day(s) Water / Oil[Rc (R)] Rc1/4Linear Motion Type2.2Single Solenoidnull~0.5Single ItemFKMSUSYes

SGD 187.83

1 Piece(s) 32 Day(s) -[Rc (R)] Rc1/8Linear Motion Type2.2Single Solenoidnull~0.5Single ItemEPDMSUSYes

SGD 220.03

1 Piece(s) 32 Day(s) Vacuum[Rc (R)] Rc1/8Linear Motion Type2.2Single Solenoidnull~0.5Single ItemFKMSUSYes

SGD 220.03

1 Piece(s) 32 Day(s) VacuumNPT1/8Linear Motion Type2.2Single Solenoidnull~0.5Single ItemFKMSUSYes

SGD 220.03

1 Piece(s) 32 Day(s) Vacuum[Rc (R)] Rc1/4Linear Motion Type2.2Single Solenoidnull~0.5Single ItemFKMSUSYes

SGD 209.30

1 Piece(s) 32 Day(s) -[Rc (R)] Rc1/4Linear Motion Type2.2Single Solenoidnull~0.5Single ItemFKMSUSYes

-

1 Piece(s) Quote Oil[Rc (R)] Rc1/4-2.2-null~0.5Single ItemEPDMSUSYes

SGD 151.55

1 Piece(s) 32 Day(s) Vacuum[Rc (R)] Rc1/8Linear Motion Type2.2Single Solenoidnull~0.5Single ItemFKMBrassNone

-

1 Piece(s) Quote VacuumNPT1/8-2.2-null~0.5Single ItemFKM-Yes

SGD 151.55

1 Piece(s) 32 Day(s) Vacuum[Rc (R)] Rc1/4Linear Motion Type2.2Single Solenoidnull~0.5Single ItemFKMBrassNone

SGD 154.23

1 Piece(s) 32 Day(s) Vacuum[Rc (R)] Rc1/4Linear Motion Type2.2Single Solenoidnull~0.5Single ItemFKMBrassYes

SGD 87.15

1 Piece(s) 32 Day(s) ---Linear Motion Type2.2Single Solenoidnull~0.5Multi-PortNBRBrassNone

SGD 111.30

1 Piece(s) 32 Day(s) Water / Oil--Linear Motion Type2.2Single Solenoidnull~0.5Multi-PortFKMBrassNone

SGD 87.15

1 Piece(s) 32 Day(s) -[Rc (R)] Rc1/8Linear Motion Type3Single Solenoidnull~0.3Single ItemNBRBrassNone

SGD 89.83

1 Piece(s) 32 Day(s) -[Rc (R)] Rc1/8Linear Motion Type3Single Solenoidnull~0.3Single ItemNBRBrassYes

SGD 87.15

1 Piece(s) 32 Day(s) -[Rc (R)] Rc1/4Linear Motion Type3Single Solenoidnull~0.3Single ItemNBRBrassNone

SGD 89.83

1 Piece(s) 32 Day(s) -[Rc (R)] Rc1/4Linear Motion Type3Single Solenoidnull~0.3Single ItemNBRBrassYes

SGD 87.15

1 Piece(s) 32 Day(s) -NPT1/4Linear Motion Type3Single Solenoidnull~0.3Single ItemNBRBrassNone

-

1 Piece(s) Quote Air / Water / Oil / GasNPT1/4---null~0.3Single ItemNBRSUSYes

-

1 Piece(s) Quote Water / OilNPTF1/8---null~0.3Single ItemFKMSUSYes

SGD 151.55

1 Piece(s) 32 Day(s) Vacuum[Rc (R)] Rc1/8Linear Motion Type3Single Solenoidnull~0.3Single ItemFKMBrassNone

SGD 151.55

1 Piece(s) 32 Day(s) Vacuum[Rc (R)] Rc1/4Linear Motion Type3Single Solenoidnull~0.3Single ItemFKMBrassNone

SGD 154.23

1 Piece(s) 32 Day(s) Vacuum[Rc (R)] Rc1/4Linear Motion Type3Single Solenoidnull~0.3Single ItemFKMBrassYes

SGD 154.23

1 Piece(s) 32 Day(s) VacuumNPT1/4Linear Motion Type3Single Solenoidnull~0.3Single ItemFKMBrassYes

SGD 122.03

1 Piece(s) 32 Day(s) -[Rc (R)] Rc1/4Linear Motion Type2.2Single Solenoidnull~1.0Single ItemNBRBrassNone

SGD 124.72

1 Piece(s) 32 Day(s) -[Rc (R)] Rc1/4Linear Motion Type2.2Single Solenoidnull~1.0Single ItemNBRBrassYes

SGD 122.03

1 Piece(s) 32 Day(s) -NPT1/4Linear Motion Type2.2Single Solenoidnull~1.0Single ItemNBRBrassNone

SGD 124.72

1 Piece(s) 32 Day(s) -NPT1/4Linear Motion Type2.2Single Solenoidnull~1.0Single ItemNBRBrassYes

SGD 122.03

1 Piece(s) 32 Day(s) -[Rc (R)] Rc3/8Linear Motion Type2.2Single Solenoidnull~1.0Single ItemNBRBrassNone

SGD 122.03

1 Piece(s) 32 Day(s) -NPT3/8Linear Motion Type2.2Single Solenoidnull~1.0Single ItemNBRBrassNone

SGD 150.27

1 Piece(s) 32 Day(s) Water / OilNPT1/4Linear Motion Type2.2Single Solenoidnull~1.0Single ItemFKMBrassNone

SGD 135.45

1 Piece(s) 32 Day(s) Oil[Rc (R)] Rc1/4Linear Motion Type2.2Single Solenoidnull~1.0Single ItemEPDMBrassNone

-

1 Piece(s) Quote Water / OilNPT1/4-2.2-null~1.0Single ItemFKMSUSYes

-

1 Piece(s) Quote Air / Water / Oil / GasNPT1/4-2.2-null~1.0Single ItemEPDMSUSYes

SGD 273.70

1 Piece(s) 32 Day(s) Vacuum[Rc (R)] Rc1/4Linear Motion Type2.2Single Solenoidnull~1.0Single ItemFKMSUSYes

SGD 273.70

1 Piece(s) 32 Day(s) VacuumNPT1/4Linear Motion Type2.2Single Solenoidnull~1.0Single ItemFKMSUSYes

SGD 203.93

1 Piece(s) 32 Day(s) Vacuum[Rc (R)] Rc1/4Linear Motion Type2.2Single Solenoidnull~1.0Single ItemFKMBrassYes

SGD 203.93

1 Piece(s) 32 Day(s) Vacuum[Rc (R)] Rc3/8Linear Motion Type2.2Single Solenoidnull~1.0Single ItemFKMBrassYes

SGD 124.72

1 Piece(s) 32 Day(s) -[Rc (R)] Rc1/4Linear Motion Type3Single Solenoidnull~0.6Single ItemNBRBrassYes

SGD 122.03

1 Piece(s) 32 Day(s) -[Rc (R)] Rc3/8Linear Motion Type3Single Solenoidnull~0.6Single ItemNBRBrassNone

SGD 124.72

1 Piece(s) 32 Day(s) -[Rc (R)] Rc3/8Linear Motion Type3Single Solenoidnull~0.6Single ItemNBRBrassYes

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Basic Information

Type Air Operating Type Operating Environment Standard Switching Type 3-Port Universal
Operating Temperature Range(°C) -5::40

Tech Support