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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
VXA3224-03
VXA3224-03N
VXA3224V-03-B
VXA3234-03
VXA3234-03-B
VXA3234J-03N-B
VXA3234N-03-B
VXA3234V-03-B
VXA3244-03
VXA3244-03-B
VXA3244-03N
VXA3244-03N-B
VXA3244M-03N-B
VXA3244N-03-B
VXA3244P-03-B
VXA3244V-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

1,050,408 IDR

1 Piece(s) 31 Day(s) -[Rc (R)] Rc3/8Linear Motion Type2.2Single Solenoid~1.0Single ItemNBRBrassNone

1,167,120 IDR

1 Piece(s) 31 Day(s) -NPT3/8Linear Motion Type2.2Single Solenoid~1.0Single ItemNBRBrassNone

1,950,300 IDR

1 Piece(s) 20 Day(s) Vacuum[Rc (R)] Rc3/8Linear Motion Type2.2Single Solenoid~1.0Single ItemFKMBrassYes

1,050,408 IDR

1 Piece(s) 31 Day(s) -[Rc (R)] Rc3/8Linear Motion Type3Single Solenoid~0.6Single ItemNBRBrassNone

1,073,493 IDR

1 Piece(s) 31 Day(s) -[Rc (R)] Rc3/8Linear Motion Type3Single Solenoid~0.6Single ItemNBRBrassYes

-

1 Piece(s) 15 Day(s) Air / Water / Oil / GasNPT3/8---~0.6Single ItemEPDMSUSYes

2,297,565 IDR

1 Piece(s) 31 Day(s) -[Rc (R)] Rc3/8Linear Motion Type3Single Solenoid~0.6Single ItemFKMSUSYes

1,755,270 IDR

1 Piece(s) 20 Day(s) Vacuum[Rc (R)] Rc3/8Linear Motion Type3Single Solenoid~0.6Single ItemFKMBrassYes

1,167,120 IDR

1 Piece(s) 31 Day(s) -[Rc (R)] Rc3/8Linear Motion Type4Single Solenoid~0.3Single ItemNBRBrassNone

1,192,770 IDR

1 Piece(s) 31 Day(s) -[Rc (R)] Rc3/8Linear Motion Type4Single Solenoid~0.3Single ItemNBRBrassYes

1,050,408 IDR

1 Piece(s) 31 Day(s) -NPT3/8Linear Motion Type4Single Solenoid~0.3Single ItemNBRBrassNone

1,073,493 IDR

1 Piece(s) 31 Day(s) -NPT3/8Linear Motion Type4Single Solenoid~0.3Single ItemNBRBrassYes

2,617,560 IDR

1 Piece(s) 31 Day(s) VacuumNPT3/8Linear Motion Type4Single Solenoid~0.3Single ItemFKMSUSYes

2,297,565 IDR

1 Piece(s) 31 Day(s) -[Rc (R)] Rc3/8Linear Motion Type4Single Solenoid~0.3Single ItemFKMSUSYes

2,205,144 IDR

1 Piece(s) 31 Day(s) Oil[Rc (R)] Rc3/8Linear Motion Type4Single Solenoid~0.3Single ItemEPDMSUSYes

1,755,270 IDR

1 Piece(s) 20 Day(s) Vacuum[Rc (R)] Rc3/8Linear Motion Type4Single Solenoid~0.3Single 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

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