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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
VXA3114V-01N-B
VXA3115-00
VXA3115V-00
VXA3124-01
VXA3124-01-B
VXA3124-02
VXA3124A-01
VXA3124A-01-B
VXA3124A-02
VXA3124H-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
VXA3134-01F
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
VXA3224H-02N-B
VXA3224J-02N-B
VXA3224M-02-B
VXA3224M-02N-B
VXA3224V-02
VXA3224V-02-B
VXA3224V-03-B
VXA3234-02-B
VXA3234-03
VXA3234-03-B
VXA3234J-03N-B
VXA3234N-03-B
VXA3234V-02-B
VXA3234V-02F
VXA3234V-02F-B
Part NumberMinimum 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
1 Piece(s) 31 Day(s) -[Rc (R)] Rc1/8Linear Motion Type1.5Single Solenoidnull~1.0Single ItemNBRBrassNone
1 Piece(s) 31 Day(s) -[Rc (R)] Rc1/4Linear Motion Type1.5Single Solenoidnull~1.0Single ItemNBRBrassYes
1 Piece(s) 15 Day(s) Air / Water / Oil / GasNPTF1/4---null~1.0Single ItemNBR-None
1 Piece(s) 31 Day(s) Water / OilNPT1/4Linear Motion Type1.5Single Solenoidnull~1.0Single ItemFKMBrassNone
1 Piece(s) 31 Day(s) Water / Oil[Rc (R)] Rc1/8Linear Motion Type1.5Single Solenoidnull~1.0Single ItemFKMSUSYes
1 Piece(s) 15 Day(s) Air / Water / Oil / Gas[Rc (R)] Rc1/4---null~1.0Single ItemEPDMSUSYes
1 Piece(s) 31 Day(s) VacuumNPT1/8Linear Motion Type1.5Single Solenoidnull~1.0Single ItemFKMBrassYes
1 Piece(s) 31 Day(s) ---Linear Motion Type1.5Single Solenoidnull~1.0Multi-PortNBRBrassNone
1 Piece(s) 20 Day(s) Vacuum--Linear Motion Type1.5Single Solenoidnull~1.0Multi-PortFKMBrassNone
1 Piece(s) 31 Day(s) -[Rc (R)] Rc1/8Linear Motion Type2.2Single Solenoidnull~0.5Single ItemNBRBrassNone
1 Piece(s) 31 Day(s) -[Rc (R)] Rc1/8Linear Motion Type2.2Single Solenoidnull~0.5Single ItemNBRBrassYes
1 Piece(s) 31 Day(s) -[Rc (R)] Rc1/4Linear Motion Type2.2Single Solenoidnull~0.5Single ItemNBRBrassNone
1 Piece(s) 31 Day(s) Water / Oil[Rc (R)] Rc1/8Linear Motion Type2.2Single Solenoidnull~0.5Single ItemFKMBrassNone
1 Piece(s) 31 Day(s) Water / Oil[Rc (R)] Rc1/8Linear Motion Type2.2Single Solenoidnull~0.5Single ItemFKMBrassYes
1 Piece(s) 31 Day(s) Water / Oil[Rc (R)] Rc1/4Linear Motion Type2.2Single Solenoidnull~0.5Single ItemFKMBrassNone
1 Piece(s) 31 Day(s) Water / Oil[Rc (R)] Rc1/8Linear Motion Type2.2Single Solenoidnull~0.5Single ItemFKMSUSYes
1 Piece(s) 31 Day(s) Vacuum[Rc (R)] Rc1/8Linear Motion Type2.2Single Solenoidnull~0.5Single ItemFKMSUSYes
1 Piece(s) 31 Day(s) VacuumNPT1/8Linear Motion Type2.2Single Solenoidnull~0.5Single ItemFKMSUSYes
1 Piece(s) 31 Day(s) Vacuum[Rc (R)] Rc1/4Linear Motion Type2.2Single Solenoidnull~0.5Single ItemFKMSUSYes
1 Piece(s) 31 Day(s) -[Rc (R)] Rc1/4Linear Motion Type2.2Single Solenoidnull~0.5Single ItemFKMSUSYes
1 Piece(s) 15 Day(s) Oil[Rc (R)] Rc1/4-2.2-null~0.5Single ItemEPDMSUSYes
1 Piece(s) 20 Day(s) Vacuum[Rc (R)] Rc1/8Linear Motion Type2.2Single Solenoidnull~0.5Single ItemFKMBrassNone
1 Piece(s) 15 Day(s) VacuumNPT1/8-2.2-null~0.5Single ItemFKM-Yes
1 Piece(s) 20 Day(s) Vacuum[Rc (R)] Rc1/4Linear Motion Type2.2Single Solenoidnull~0.5Single ItemFKMBrassNone
1 Piece(s) 31 Day(s) Vacuum[Rc (R)] Rc1/4Linear Motion Type2.2Single Solenoidnull~0.5Single ItemFKMBrassYes
1 Piece(s) 31 Day(s) ---Linear Motion Type2.2Single Solenoidnull~0.5Multi-PortNBRBrassNone
1 Piece(s) 31 Day(s) Water / Oil--Linear Motion Type2.2Single Solenoidnull~0.5Multi-PortFKMBrassNone
1 Piece(s) 31 Day(s) -[Rc (R)] Rc1/8Linear Motion Type3Single Solenoidnull~0.3Single ItemNBRBrassNone
1 Piece(s) 31 Day(s) -[Rc (R)] Rc1/8Linear Motion Type3Single Solenoidnull~0.3Single ItemNBRBrassYes
1 Piece(s) 20 Day(s) -G1/8Linear Motion Type3Single Solenoidnull~0.3Single ItemNBRBrassNone
1 Piece(s) Quote -[Rc (R)] Rc1/4Linear Motion Type3Single Solenoidnull~0.3Single ItemNBRBrassNone
1 Piece(s) 31 Day(s) -[Rc (R)] Rc1/4Linear Motion Type3Single Solenoidnull~0.3Single ItemNBRBrassYes
1 Piece(s) 31 Day(s) -NPT1/4Linear Motion Type3Single Solenoidnull~0.3Single ItemNBRBrassNone
1 Piece(s) 15 Day(s) Air / Water / Oil / GasNPT1/4---null~0.3Single ItemNBRSUSYes
1 Piece(s) 15 Day(s) Water / OilNPTF1/8---null~0.3Single ItemFKMSUSYes
1 Piece(s) 20 Day(s) Vacuum[Rc (R)] Rc1/8Linear Motion Type3Single Solenoidnull~0.3Single ItemFKMBrassNone
1 Piece(s) 20 Day(s) Vacuum[Rc (R)] Rc1/4Linear Motion Type3Single Solenoidnull~0.3Single ItemFKMBrassNone
1 Piece(s) 31 Day(s) Vacuum[Rc (R)] Rc1/4Linear Motion Type3Single Solenoidnull~0.3Single ItemFKMBrassYes
1 Piece(s) 31 Day(s) VacuumNPT1/4Linear Motion Type3Single Solenoidnull~0.3Single ItemFKMBrassYes
1 Piece(s) 31 Day(s) -[Rc (R)] Rc1/4Linear Motion Type2.2Single Solenoidnull~1.0Single ItemNBRBrassNone
1 Piece(s) 31 Day(s) -[Rc (R)] Rc1/4Linear Motion Type2.2Single Solenoidnull~1.0Single ItemNBRBrassYes
1 Piece(s) 31 Day(s) -NPT1/4Linear Motion Type2.2Single Solenoidnull~1.0Single ItemNBRBrassNone
1 Piece(s) 31 Day(s) -NPT1/4Linear Motion Type2.2Single Solenoidnull~1.0Single ItemNBRBrassYes
1 Piece(s) 31 Day(s) -[Rc (R)] Rc3/8Linear Motion Type2.2Single Solenoidnull~1.0Single ItemNBRBrassNone
1 Piece(s) 31 Day(s) -NPT3/8Linear Motion Type2.2Single Solenoidnull~1.0Single ItemNBRBrassNone
1 Piece(s) 15 Day(s) Water / OilNPT1/4-2.2-null~1.0Single ItemFKMSUSYes
1 Piece(s) 15 Day(s) Air / Water / Oil / GasNPT1/4-2.2-null~1.0Single ItemEPDMSUSYes
1 Piece(s) 31 Day(s) Vacuum[Rc (R)] Rc1/4Linear Motion Type2.2Single Solenoidnull~1.0Single ItemFKMSUSYes
1 Piece(s) 31 Day(s) VacuumNPT1/4Linear Motion Type2.2Single Solenoidnull~1.0Single ItemFKMSUSYes
1 Piece(s) 20 Day(s) Vacuum[Rc (R)] Rc1/4Linear Motion Type2.2Single Solenoidnull~1.0Single ItemFKMBrassNone
1 Piece(s) 20 Day(s) Vacuum[Rc (R)] Rc1/4Linear Motion Type2.2Single Solenoidnull~1.0Single ItemFKMBrassYes
1 Piece(s) 20 Day(s) Vacuum[Rc (R)] Rc3/8Linear Motion Type2.2Single Solenoidnull~1.0Single ItemFKMBrassYes
1 Piece(s) 31 Day(s) -[Rc (R)] Rc1/4Linear Motion Type3Single Solenoidnull~0.6Single ItemNBRBrassYes
1 Piece(s) 31 Day(s) -[Rc (R)] Rc3/8Linear Motion Type3Single Solenoidnull~0.6Single ItemNBRBrassNone
1 Piece(s) 31 Day(s) -[Rc (R)] Rc3/8Linear Motion Type3Single Solenoidnull~0.6Single ItemNBRBrassYes
1 Piece(s) 15 Day(s) Air / Water / Oil / GasNPT3/8---null~0.6Single ItemEPDMSUSYes
1 Piece(s) 31 Day(s) -[Rc (R)] Rc3/8Linear Motion Type3Single Solenoidnull~0.6Single ItemFKMSUSYes
1 Piece(s) 20 Day(s) Vacuum[Rc (R)] Rc1/4Linear Motion Type3Single Solenoidnull~0.6Single ItemFKMBrassYes
1 Piece(s) 31 Day(s) VacuumG1/4Linear Motion Type3Single Solenoidnull~0.6Single ItemFKMBrassNone
1 Piece(s) 20 Day(s) VacuumG1/4Linear Motion Type3Single Solenoidnull~0.6Single ItemFKMBrassYes

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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