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Power Valve, 3-Position Valve, VEX3 Series (VEX3421-025MN)

Power Valve, 3-Position Valve, VEX3 Series VEX3421-025MN

SMC

SMC

A 3-position valve that realizes various circuits with a simple configuration.
[Features]
・ Intermediate stop / emergency stop of large cylinder
・ Easy termination deceleration / intermediate transmission circuit
・ Universal porting that can also be used as a selector divider valve
・ For vacuum adsorption and vacuum destruction
・ For controlling the behavior of double-acting cylinders

(i)Caution

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

PDF

Part Number

Configured Part Number is shown.

VEX3421-025MN

Power Valve, 3-Position Valve, VEX3 Series Specifications

Air operated type external appearance

Air operated type external appearance

Internal pilot solenoid type / External pilot solenoid type external appearance

Internal pilot solenoid type / External pilot solenoid type external appearance

Symbols (Left: Air operated type, Center: External pilot solenoid type, Right: Internal pilot solenoid type)

Symbols (Left: Air operated type, Center: External pilot solenoid type, Right: Internal pilot solenoid type)

Specifications Table

ModelBody Ported TypesVEX312□-01
VEX312□-02		VEX332□-02
VEX332□-03
VEX332□-04		VEX350□-04
VEX350□-06
VEX350□-10		VEX370□-10
VEX370□-12		VEX390□-14
VEX390□-20
Base Mounted TypeVEX322□-01
VEX322□-02		VEX342□-02
VEX342□-03
VEX342□-04		---
Operating MethodAir operated type, external pilot solenoid type, internal pilot solenoid type
Usable FluidsAir
Operating Pressure RangeAir operated typeMain pressure: Low vacuum Vac. to 1.0 MPa
External pilot pressure: 0.2 to 1.0 MPa
External pilot solenoid typeMain pressure: Low vacuum Vac. to 1.0 MPa
External pilot pressure: 0.2 to 0.7 MPaExternal pilot pressure: 0.2 to 0.9 MPa
Internal pilot solenoid typeMain pressure 0.2 to 0.7 MPaMain pressure 0.2 to 0.9 MPa
Fluid temperature and ambient temperature0 to 50℃ (air operated type: 0 to 60°C)
Response time (at 0.5 MPa pilot pressure)40 ms or less60 ms or less
Maximum Operating Frequency3 times/s
Mounting OrientationFree
LubricationNot required (Use turbine oil Class 1 ISO VG32, if lubricated)

*The non-lubricated specification is not available for these models.

Pilot solenoid valve specifications

ModelVEX3121, VEX3221, VEX3321, VEX3421
VEX3122, VEX3222, VEX3322, VEX3422		VEX3501, VEX3701, VEX3901
VEX3502, VEX3702, VEX3902
Pilot ValveDedicated pilot valveVO307K-□□□1
Electrical EntryGrommet, L plug connector, M plug connector, DIN terminalGrommet, DIN terminal
Coil rated voltage (V)AC (50/60 Hz)100 V, 110 V, 200 V, 220 V, 240 V
DC6 V, 12 V, 24 V, 48 V
Allowable Voltage Fluctuation-15% to +10% of rated voltage
Apparent powerACStarting4.5 VA / 50 Hz, 4.2 VA / 60 Hz12.7 VA (50 Hz), 10.7 VA (60 Hz)
Holding3.5 VA / 50 Hz, 3 VA / 60 Hz7.6 VA (50 Hz), 5.4 VA (60 Hz)
Power ConsumptionDC1.8 W (without indicator light), 2.1 W (with indicator light)4 W (without indicator light), 4.2 W (with indicator light)
Manual OperationNon-locking, push typeNon-locking, push type

*Please consult with the manufacturer support center regarding replacement of the dedicated pilot valve sizes 1 to 4.

Weight Table

 

(Unit: kg)

 

ModelVEX312□-01
VEX312□-02		VEX322□-01
VEX322□-02		VEX332□-02
VEX332□-03
VEX332□-04		VEX342□-02
VEX342□-03
VEX342□-04		VEX350□-04
VEX350□-06
VEX350□-10		VEX370□-10
VEX370□-12		VEX390□-14
VEX390□-20
Air operated type0.10.20.30.61.42.13.3
Solenoid type0.20.30.40.71.62.33.5

Body Ported Type / VEX312□ Dimensional Drawings

 

(Unit: mm)

 

Internal pilot solenoid type: VEX3122 DIN terminal (D) dimensional drawing

Internal pilot solenoid type: VEX3122 DlN terminal (D) dimensional drawing

Air operated type: VEX3120, External pilot solenoid type: VEX3121 dimensional drawings (A directional view)

Air operated type: VEX3120, External pilot solenoid type: VEX3121 dimensional drawings (A directional view)

Body ported type / VEX312□ drawings

Body ported type / VEX312□ drawings

Table 1: With/Without M5 Port Plug

ModelP1P2
VEX3120NoneNone
VEX3121NoneNone
VEX3122YesNone

Base Mounted Type / VEX322□ Dimensional Drawings

 

(Unit: mm)

 

Air operated: VEX3420 dimensional drawing

Air operated: VEX3420 dimensional drawing

External pilot solenoid type: VEX3421 dimensional drawing

External pilot solenoid type: VEX3421 dimensional drawing

Internal pilot solenoid type: VEX3422 DlN terminal (D) dimensional drawing

Internal pilot solenoid type: VEX3422 DlN terminal (D) dimensional drawing

Base Mounted Type / VEX342□ Dimensional Drawings

Base Mounted Type / VEX342□ Dimensional Drawings

Table 1: With/Without Sub-plate Plug

ModelP1P2
VEX3220NoneNone
VEX3221NoneNone
VEX3222YesNone

Precautions

  • *Product images may be representative images.
  • *See the SMC catalog for product information other than that detailed above.
30
45
60
  1. 1
Part Number
VEX3421-025MN
Part NumberStandard Unit PriceMinimum order quantityVolume DiscountDays to ShipType Application Number of Ports Mounting Orientation Specifications Number of Solenoids Switching Type Status at Power Off Voltage Pipe Port Type Plumbing Thread Nominal Applicable Cylinder Dia.
(Ø) 		Plumbing Driving Type CV Value Seal Type Pressure Rating
(MPa) 		Pilot Air Supply Lead wire electrical entry Indicator light / Surge voltage suppressor Option Body size Handling Method

-

1 Piece(s) Quote Solenoid ValvesSingle Use3-Port ValveDirectLow Vacuum Compatible / Lubrication FreeDouble2-Position Normally ClosedSelf-Recovery (Spring Return)DC24V[Rc (R)] Rc1/440 to 300Direct PlumbingPilot Type Spool2Standard-0.1 to 1ExternalM plug connector, without lead wireNoneNone42-

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Please check the type/dimensions/specifications of the part VEX3421-025MN in the Power Valve, 3-Position Valve, VEX3 Series series.

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Specification/Dimensions

  • Specifications

    • Low Vacuum Compatible
    • Lubrication Free

    Clear

  • Handling Method

    • External Pilot Solenoid Type
    • Internal pilot solenoid type

    Clear

  • type

    • VEX3
    • VEX312
    • VEX322
    • VEX332
    • VEX342
    • VEX350
    • VEX390

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  • Type

    • Solenoid Valves
    • Master Valve

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  • Application

    • Single Use
    • Unit for Manifold Mounting

    Clear

  • Number of Ports

    • 3-Port Valve

    Clear

  • Mounting Orientation

    • Direct
    • Manifold Base

    Clear

  • Number of Solenoids

    • Double

    Clear

  • Switching Type

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

    Clear

  • Status at Power Off

    • Self-Recovery (Spring Return)

    Clear

  • Voltage

    • DC12V
    • DC24V
    • AC100V
    • AC110V
    • AC200V
    • AC220V
    • AC240V

    Clear

  • Pipe Port Type

    • Rc (R)
      • Rc
    • NPT
    • NPTF
    • G

    Clear

  • Plumbing Thread Nominal

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

    Clear

  • Applicable Cylinder Dia.(Ø)

    • 100 or Less
    • 250 or Less
    • 125 to 300
    • 200 or less
    • 40 to 300

    Clear

  • Plumbing

    • Direct Plumbing
    • Sub-Base Plumbing

    Clear

  • Driving Type

    • Pilot Type Spool

    Clear

  • CV Value

    • 0.59
    • 0.86
    • 0.89
    • 0.99
    • 1.1
    • 2
    • 2.2
    • 2.7
    • 3.2
    • 3.3
    • 6.4
    • 8.9
    • 10
    • 17
    • 18
    • 33
    • 37

    Clear

  • Seal Type

    • Standard

    Clear

  • Pressure Rating(MPa)

    • 0.2 to 0.7
    • -0.1 to 1
    • 02 to 0.9

    Clear

  • Pilot Air Supply

    • Internal
    • External

    Clear

  • Lead wire electrical entry

    • Grommet / Lead wire length: 300 mm
    • L plug connector, lead wire length: 300 mm
    • M plug connector, lead wire length 300 mm
    • Grommet / Lead wire length: 600 mm
    • DIN terminal
    • DIN terminal, without connector
    • L plug connector, without connector
    • L plug connector, without lead wire
    • M plug connector, without connector
    • M plug connector, without lead wire
    • None

    Clear

  • Indicator light / Surge voltage suppressor

    • None
    • With indicator light and surge voltage suppressor
    • With surge voltage suppressor

    Clear

  • Option

    • Bracket / With silencer for pilot exhaust port P2
    • Foot / With silencer for pilot exhaust port P2
    • With silencer for pilot exhaust port P2
    • None
    • With bracket
    • With foot

    Clear

  • Body size

    • 12
    • 22
    • 32
    • 42
    • 50
    • 70
    • 90

    Clear

Days to Ship

    • All
    • 21 Day(s) or Less

    Clear

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