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3-Port 3-Position Valve VEX3 Series (Air Operated / Pilot Solenoid) (VEX3121-025LU1-FN)

3-Port 3-Position Valve VEX3 Series (Air Operated / Pilot Solenoid) VEX3121-025LU1-FN

SMC

SMC

An SMC 3-position valve with 3 manual operating methods added.
[Features]
· Intermediate stopping of cylinders with a maximum ø125 (diameter 125 mm) is possible.
· Power consumption: 1 W.
· Body ported type.
· Body type: Air-operated type S / pilot solenoid type.
· Thread type: Rc, G, NPT.
· Operating method: External pilot solenoid type / Internal pilot solenoid type.

(i)Caution

  • Refer to the manufacturer's catalog for specification and material details.
  • Product images may be representative images. Refer to the manufacturer's catalog for shape details.

PDF

Part Number

Configured Part Number is shown.

VEX3121-025LU1-FN

3-Port 3-Position Valve, Body Ported VEX3 Series specifications

3-Port 3-Position Valve, Body Ported, Air Operated Type external appearance

3-Port 3-Position Valve, Body Ported, Air Operated Type external appearance

3-Port 3-Position Valve, Body Ported, Pilot Solenoid Type external appearance

3-Port 3-Position Valve, Body Ported, Pilot Solenoid Type external appearance

ModelBody Ported TypesVEX312□-01
VEX312□-02		VEX332□-02
VEX332□-03
VEX332□-04
Operating MethodAir operated type, external pilot solenoid type, internal pilot solenoid type
Usable FluidsAir
Air operated type operating pressure range MPaOperating Pressure Range-101.2 kPa to 1.0
Pilot Pressure Range0.2 to 1.0
Internal pilot operating pressure range MPa0.2 to 0.7
External pilot operating pressure range MPaOperating Pressure Range-101.2 kPa to 1.0
Pilot Pressure Range0.2 to 0.7
Fluid temperature and ambient temperature0 to +50°C (air operated type: 0 to 60°C)
Response time (at 0.5 MPa pilot pressure)40 ms or less60 ms or less*1
Maximum Operating Frequency3 Hz
Mounting OrientationFree
Lubrication2*Not required (Use turbine oil Class 1 ISO VG32, if lubricated)

*1: 96 ms or less in the case of AC.
*2: The non-lubricated specification is not available for these models.

Internal pilot solenoid type / External pilot solenoid type

Symbols for air operated type

Symbols for air operated type

Symbols for external pilot solenoid type

Symbols for external pilot solenoid type

Symbols for internal pilot solenoid type

Symbols for internal pilot solenoid type

Pilot solenoid valve specifications

ModelVEX3121, VEX3321
VEX3122, VEX3322
Pilot ValveV114□, V115□
Electrical EntryGrommet (G), L plug connector (L), M plug connector (M), DIN terminal (D)
Coil rated voltage (V)AC (50/60 Hz)100 V, 110 V, 200 V, 220 V
DC3 V, 5 V, 6 V, 12 V, 24 V
Allowable Voltage Fluctuation-10% to +10% of rated voltage*
Apparent Power VAACG, L, M100 V0.78 (with light: 0.81)
110 V0.86 (with light: 0.89)
200 V1.18 (with light: 1.22)
220 V1.30 (with light: 1.34)
D100 V0.78 (with light: 0.87)
110 V0.86 (with light: 0.97)
200 V1.15 (with light: 1.30)
220 V1.27 (with light: 1.46)
Power Consumption WDCG, L, M1.0 (with light: 1.1)
D1.0 (with light: 1.1)

*Allowable voltage fluctuation for S and Z types: 24 V DC: -7 to +10% / 12 V DC: -4 to +10%

Flow Rate Characteristics / Weight Table

ModelPiping connection port diameterFlow Rate CharacteristicsWeight kg
1 (P)→2 (A)2 (A)→1 (P)3 (R)→2 (A)2 (A)→3 (R)Air operated type(External/Internal)
Pilot solenoid type
C (dm / [s·bar])bC (dm / [s·bar])bC (dm / [s·bar])bC (dm / [s·bar])b
Body Ported TypesVEX312□-011/82.40.192.40.312.30.362.50.220.10.2
VEX312□-021/43.50.353.30.493.10.463.50.330.10.2
VEX332□-021/44.10.364.30.424.10.414.60.250.30.4
VEX332□-033/88.70.297.90.527.80.518.70.330.30.4
VEX332□-041/29.80.379.60.529.10.53110.370.30.4

Structure Drawing

VEX3120 (air operated) structure drawing

VEX3120 (air operated) structure drawing

VEX3320 (air operated) structure drawing

VEX3320 (air operated) structure drawing

NumberPart nameMaterial
1BodyAluminum alloy
2CoverAluminum alloy
3Drive pistonAluminum alloy
4Center springStainless steel
5Valve guideAluminum alloy
6Poppet ValveAluminum alloy, rubber
7ShaftStainless steel
8Sub-plateAluminum alloy

Drawing: Body ported type / VEX312□

 

(Unit: mm)

 

External pilot solenoid: VEX3121 / Internal pilot solenoid: VEX3122 dimensional drawing

External pilot solenoid: VEX3121 / Internal pilot solenoid: VEX3122 dimensional drawing

 

(Unit: mm)

 

Air operated: VEX3120 dimensional drawing

Air operated: VEX3120 dimensional drawing

 

(Unit: mm)

 

DlN terminal (D) dimensional drawing

DlN terminal (D) dimensional drawing

*See the manufacturer's catalog for how to use the DIN terminal connector.

*See the manufacturer's catalog for information other than that above.

30
45
60
  1. 1
Part Number
VEX3121-025LU1-FN
Part NumberStandard Unit PriceMinimum order quantityVolume DiscountDays to ShipType Specifications Number of Solenoids Switching Type Voltage Pipe Port Type Plumbing Thread Nominal Applicable Cylinder Dia.
(Ø) 		Driving Type Seal Type Pressure Rating
(MPa) 		Pilot Air Supply Manual Switch Lead wire electrical entry Manual Indicator light / Surge voltage suppressor Body type Option Body size

-

1 Piece(s) Quote Solenoid ValvesStandard / Lubrication FreeDouble2-Position Normally ClosedDC24V[Rc (R)] Rc1/4-Pilot Type Spool--0.1 to 1ExternalNon-LockingL plug connector with lead wire, wire length 300 mmNon-locking, push typeWith indicator light and surge voltage suppressor (non-polar type)Pilot solenoid typeFoot bracket / Silencer for pilot exhaust (PE)12

Loading...

  1. 1
 

Basic Information

Application Single Use Number of Ports 3-Port Valve Mounting Orientation Direct
Status at Power Off Self-Recovery (Spring Return) Plumbing Direct Plumbing

Please check the type/dimensions/specifications of the part VEX3121-025LU1-FN in the 3-Port 3-Position Valve VEX3 Series (Air Operated / Pilot Solenoid) series.

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Configure Remaining Specifications
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Specification/Dimensions

  • Specifications

    • Standard
    • Lubrication Free

    Clear

  • Applicable Cylinder Dia.(Ø)

    • 20 to 100
    • 50 to 200

    Clear

  • Seal Type

    • Standard

    Clear

  • type

    • VEX3
    • VEX3□0
    • VEX3□1
    • VEX3□2

    Clear

  • Type

    • Solenoid Valves
    • Master Valve

    Clear

  • Number of Solenoids

    • Double

    Clear

  • Switching Type

    • 2-Position Normally Closed
    • 3-Position Closed Center

    Clear

  • Voltage

    • DC12V
    • DC24V
    • AC100V
    • AC200V
    • AC220V

    Clear

  • Pipe Port Type

    • Rc (R)
      • Rc
    • NPT
    • G

    Clear

  • Plumbing Thread Nominal

    • 1/8
    • 1/4
    • 3/8
    • 1/2

    Clear

  • Driving Type

    • Pilot Type Poppet
    • Pilot Type Spool

    Clear

  • Pressure Rating(MPa)

    • 0.2 to 0.7
    • -0.1 to 1

    Clear

  • Pilot Air Supply

    • Internal
    • External

    Clear

  • Manual Switch

    • Non-Locking
    • Lock

    Clear

  • Lead wire electrical entry

    • Grommet lead wire length 300 mm
    • L plug connector with lead wire, wire length 300 mm
    • M plug connector with lead wire, lead wire length 300 mm
    • Grommet wire length 600 mm
    • DIN terminal (with connector)
    • DIN terminal (without connector)
    • L plug connector without lead wire
    • L plug connector, without connector
    • M plug connector without lead wire
    • M plug connector, without connector

    Clear

  • Manual

    • Locking type, screwdriver operated
    • Non-locking, push type
    • Push-turn locking hand-operated type
    • Push-turn locking screwdriver-operated type

    Clear

  • Indicator light / Surge voltage suppressor

    • None
    • With indicator light and surge voltage suppressor
    • With indicator light and surge voltage suppressor (non-polar type)
    • With surge voltage suppressor
    • With surge voltage suppressor (non-polar type)

    Clear

  • Body type

    • Air operated type
    • Pilot solenoid type

    Clear

  • Option

    • Bracket / Silencer for pilot exhaust (PE)
    • Foot bracket / Silencer for pilot exhaust (PE)
    • None
    • Silencer for pilot exhaust (PE)
    • With bracket
    • With foot bracket

    Clear

  • Body size

    • 12
    • 32

    Clear

  • CAD

    • 2D
    • 3D

    Clear

Days to Ship

    • All
    • 21 Day(s) or Less

    Clear

Specify Alterations

Products like this...

Part Number
VEX3120-021
VEX3120-021-B
VEX3120-021-F
VEX3121-025LUB1-BN
VEX3121-025LUB1-F
VEX3121-025MU1-F
Part NumberStandard Unit PriceMinimum order quantityVolume DiscountDays to ShipType Specifications Number of Solenoids Switching Type Voltage Pipe Port Type Plumbing Thread Nominal Applicable Cylinder Dia.
(Ø) 		Driving Type Seal Type Pressure Rating
(MPa) 		Pilot Air Supply Manual Switch Lead wire electrical entry Manual Indicator light / Surge voltage suppressor Body type Option Body size

-

1 Piece(s) Quote Master ValveStandard / Lubrication FreeDouble2-Position Normally Closed-[Rc (R)] Rc1/4-Pilot Type Poppet--0.1 to 1-Non-Locking-Non-locking, push typeNoneAir operated typeNone12

-

1 Piece(s) Quote Master ValveStandard / Lubrication FreeDouble2-Position Normally Closed-[Rc (R)] Rc1/4-Pilot Type Poppet--0.1 to 1-Non-Locking-Non-locking, push typeNoneAir operated typeWith bracket12

-

1 Piece(s) Quote Master ValveStandard / Lubrication FreeDouble2-Position Normally Closed-[Rc (R)] Rc1/4-Pilot Type Poppet--0.1 to 1-Non-Locking-Non-locking, push typeNoneAir operated typeWith foot bracket12

-

1 Piece(s) Quote Solenoid ValvesLubrication FreeDouble3-Position Closed CenterDC24V[Rc (R)] Rc1/420 to 100Pilot Type SpoolStandard-0.1 to 1ExternalLockL plug connector with lead wire, wire length 300 mmLocking type, screwdriver operatedWith indicator light and surge voltage suppressor (non-polar type)Pilot solenoid typeBracket / Silencer for pilot exhaust (PE)12

-

1 Piece(s) Quote Solenoid ValvesLubrication FreeDouble3-Position Closed CenterDC24V[Rc (R)] Rc1/420 to 100Pilot Type SpoolStandard-0.1 to 1ExternalLockL plug connector with lead wire, wire length 300 mmLocking type, screwdriver operatedWith indicator light and surge voltage suppressor (non-polar type)Pilot solenoid type-12

-

1 Piece(s) Quote Solenoid ValvesLubrication FreeDouble3-Position Closed CenterDC24V[Rc (R)] Rc1/420 to 100Pilot Type SpoolStandard-0.1 to 1ExternalNon-Locking-Non-locking, push typeWith indicator light and surge voltage suppressor (non-polar type)Pilot solenoid type-12

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