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Power Valve, 3-Position Valve, VEX3 Series (VEX3121-025H-B)
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.
Part Number
Configured Part Number is shown.
VEX3121-025H-B
- Download
Product Details - CAD Data unavailable
Power Valve, 3-Position Valve, VEX3 Series Specifications
Air operated 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)
Specifications Table
| Model | Body Ported Types | VEX312□-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 Type | VEX322□-01 VEX322□-02 | VEX342□-02 VEX342□-03 VEX342□-04 | - | - | - | |
| Operating Method | Air operated type, external pilot solenoid type, internal pilot solenoid type | |||||
| Usable Fluids | Air | |||||
| Operating Pressure Range | Air operated type | Main pressure: Low vacuum Vac. to 1.0 MPa | ||||
| External pilot pressure: 0.2 to 1.0 MPa | ||||||
| External pilot solenoid type | Main pressure: Low vacuum Vac. to 1.0 MPa | |||||
| External pilot pressure: 0.2 to 0.7 MPa | External pilot pressure: 0.2 to 0.9 MPa | |||||
| Internal pilot solenoid type | Main pressure 0.2 to 0.7 MPa | Main pressure 0.2 to 0.9 MPa | ||||
| Fluid temperature and ambient temperature | 0 to 50℃ (air operated type: 0 to 60°C) | |||||
| Response time (at 0.5 MPa pilot pressure) | 40 ms or less | 60 ms or less | ||||
| Maximum Operating Frequency | 3 times/s | |||||
| Mounting Orientation | Free | |||||
| Lubrication | Not required (Use turbine oil Class 1 ISO VG32, if lubricated) | |||||
*The non-lubricated specification is not available for these models.
Pilot solenoid valve specifications
| Model | VEX3121, VEX3221, VEX3321, VEX3421 VEX3122, VEX3222, VEX3322, VEX3422 | VEX3501, VEX3701, VEX3901 VEX3502, VEX3702, VEX3902 | ||
|---|---|---|---|---|
| Pilot Valve | Dedicated pilot valve | VO307K-□□□1 | ||
| Electrical Entry | Grommet, L plug connector, M plug connector, DIN terminal | Grommet, DIN terminal | ||
| Coil rated voltage (V) | AC (50/60 Hz) | 100 V, 110 V, 200 V, 220 V, 240 V | ||
| DC | 6 V, 12 V, 24 V, 48 V | |||
| Allowable Voltage Fluctuation | -15% to +10% of rated voltage | |||
| Apparent power | AC | Starting | 4.5 VA / 50 Hz, 4.2 VA / 60 Hz | 12.7 VA (50 Hz), 10.7 VA (60 Hz) |
| Holding | 3.5 VA / 50 Hz, 3 VA / 60 Hz | 7.6 VA (50 Hz), 5.4 VA (60 Hz) | ||
| Power Consumption | DC | 1.8 W (without indicator light), 2.1 W (with indicator light) | 4 W (without indicator light), 4.2 W (with indicator light) | |
| Manual Operation | Non-locking, push type | Non-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)
| Model | VEX312□-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 type | 0.1 | 0.2 | 0.3 | 0.6 | 1.4 | 2.1 | 3.3 |
| Solenoid type | 0.2 | 0.3 | 0.4 | 0.7 | 1.6 | 2.3 | 3.5 |
Body Ported Type / VEX312□ Dimensional Drawings
(Unit: mm)
Internal pilot solenoid type: VEX3122 DlN terminal (D) dimensional drawing
Air operated type: VEX3120, External pilot solenoid type: VEX3121 dimensional drawings (A directional view)
Body ported type / VEX312□ drawings
Table 1: With/Without M5 Port Plug
| Model | P1 | P2 |
|---|---|---|
| VEX3120 | None | None |
| VEX3121 | None | None |
| VEX3122 | Yes | None |
Base Mounted Type / VEX322□ Dimensional Drawings
(Unit: mm)
Air operated: VEX3420 dimensional drawing
External pilot solenoid type: VEX3421 dimensional drawing
Internal pilot solenoid type: VEX3422 DlN terminal (D) dimensional drawing
Base Mounted Type / VEX342□ Dimensional Drawings
Table 1: With/Without Sub-plate Plug
| Model | P1 | P2 |
|---|---|---|
| VEX3220 | None | None |
| VEX3221 | None | None |
| VEX3222 | Yes | None |
Precautions
- *Product images may be representative images.
- *See the SMC catalog for product information other than that detailed above.
| Part Number |
|---|
| VEX3121-025H-B |
| Part Number | Standard Unit Price | Minimum order quantity | Volume Discount | Days to Ship | Type | 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 Valves | Single Use | 3-Port Valve | Direct | Low Vacuum Compatible / Lubrication Free | Double | 2-Position Normally Closed | Self-Recovery (Spring Return) | DC24V | [Rc (R)] Rc | 1/4 | 40 to 300 | Direct Plumbing | Pilot Type Spool | 0.89 | Standard | -0.1 to 1 | External | Grommet / Lead wire length: 600 mm | None | With bracket | 12 | - |
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Please check the type/dimensions/specifications of the part VEX3121-025H-B in the Power Valve, 3-Position Valve, VEX3 Series series.
Specification/Dimensions
-
Specifications
- Low Vacuum Compatible
- Lubrication Free
-
Handling Method
- External Pilot Solenoid Type
- Internal pilot solenoid type
-
type
- VEX3
- VEX312
- VEX322
- VEX332
- VEX342
- VEX350
- VEX390
-
Type
- Solenoid Valves
- Master Valve
-
Application
- Single Use
- Unit for Manifold Mounting
-
Number of Ports
- 3-Port Valve
-
Mounting Orientation
- Direct
- Manifold Base
-
Number of Solenoids
- Double
-
Switching Type
- 2-Position Normally Closed
- 3-Position Closed Center
-
Status at Power Off
- Self-Recovery (Spring Return)
-
Voltage
- DC12V
- DC24V
- AC100V
- AC110V
- AC200V
- AC220V
- AC240V
-
Pipe Port Type
- Rc (R)
- NPT
- NPTF
- G
- Rc (R)
-
Plumbing Thread Nominal
-
Applicable Cylinder Dia.(Ø)
-
Plumbing
- Direct Plumbing
- Sub-Base Plumbing
-
Driving Type
- Pilot Type Spool
-
CV Value
-
Seal Type
- Standard
-
Pressure Rating(MPa)
- 0.2 to 0.7
- -0.1 to 1
- 02 to 0.9
-
Pilot Air Supply
- Internal
- External
-
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
-
Indicator light / Surge voltage suppressor
- None
- With indicator light and surge voltage suppressor
- With surge voltage suppressor
-
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
-
Body size
- 12
- 22
- 32
- 42
- 50
- 70
- 90
Days to Ship
-
- All
- 32 Day(s) or Less
Specify Alterations
- The specifications and dimensions of some parts may not be fully covered. For exact details, refer to manufacturer catalogs .
Similar Part Numbers
| Part Number |
|---|
| VEX3120-01F |
| VEX3120-01F-B |
| VEX3120-02 |
| VEX3121-025H-F |
| VEX3121-025HS |
| VEX3121-025HS-B |
| Part Number | Standard Unit Price | Minimum order quantity | Volume Discount | Days to Ship | Type | 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 | Master Valve | Single Use | 3-Port Valve | Direct | Low Vacuum Compatible / Lubrication Free | - | 2-Position Normally Closed | - | - | G | 1/8 | 40 to 300 | Direct Plumbing | Pilot Type Spool | 0.59 | Standard | -0.1 to 1 | External | None | None | None | 12 | - | ||
- | 1 Piece(s) | Quote | Master Valve | Single Use | 3-Port Valve | Direct | Low Vacuum Compatible / Lubrication Free | - | 2-Position Normally Closed | - | - | G | 1/8 | 40 to 300 | Direct Plumbing | Pilot Type Spool | 0.59 | Standard | -0.1 to 1 | External | None | None | With bracket | 12 | - | ||
SGD 131.60 | 1 Piece(s) | 32 Day(s) | Master Valve | Single Use | 3-Port Valve | Direct | Low Vacuum Compatible / Lubrication Free | - | 2-Position Normally Closed | - | - | [Rc (R)] Rc | 1/4 | 40 to 300 | Direct Plumbing | Pilot Type Spool | 0.89 | Standard | -0.1 to 1 | External | None | None | None | 12 | - | ||
- | 1 Piece(s) | Quote | Solenoid Valves | Single Use | 3-Port Valve | Direct | Low Vacuum Compatible / Lubrication Free | Double | 2-Position Normally Closed | Self-Recovery (Spring Return) | DC24V | [Rc (R)] Rc | 1/4 | 40 to 300 | Direct Plumbing | Pilot Type Spool | 0.89 | Standard | -0.1 to 1 | External | Grommet / Lead wire length: 600 mm | None | With foot | 12 | - | ||
- | 1 Piece(s) | Quote | Solenoid Valves | Single Use | 3-Port Valve | Direct | Low Vacuum Compatible / Lubrication Free | Double | 2-Position Normally Closed | Self-Recovery (Spring Return) | DC24V | [Rc (R)] Rc | 1/4 | 40 to 300 | Direct Plumbing | Pilot Type Spool | 0.89 | Standard | -0.1 to 1 | External | Grommet / Lead wire length: 600 mm | With surge voltage suppressor | None | 12 | - | ||
- | 1 Piece(s) | Quote | Solenoid Valves | Single Use | 3-Port Valve | Direct | Low Vacuum Compatible / Lubrication Free | Double | 2-Position Normally Closed | Self-Recovery (Spring Return) | DC24V | [Rc (R)] Rc | 1/4 | 40 to 300 | Direct Plumbing | Pilot Type Spool | 0.89 | Standard | -0.1 to 1 | External | Grommet / Lead wire length: 600 mm | With surge voltage suppressor | With bracket | 12 | - |
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