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An air operated valve made by SMC.
[Features]
· Manifolds that are the same as for VZ2000/4000 series are available.
· Can also be equipped to VQZ2000/3000 manifolds.
Part Number
Configured Part Number is shown.

VZA4000 Series Base Mounted Type external appearance

VZA4000 Series Body Ported Type external appearance

Body ported type 2 position single (left drawing) / 2 position double (right drawing) JIS code
| Fluid | Air | |
|---|---|---|
| Operating Pressure Range (MPa) | VZA4121, 4141 | 0.15 to 1.0 |
| VZA4221, 4321, 4421, 4241, 4341, 4441 | 0 to 1.0 | |
| Pilot Pressure Range (MPa) | VZA4121, 4141 | 0.15 to 1.0 |
| VZA4221, 4321, 4421, 4241, 4341, 4441 | 0.1 to 1.0 | |
| *Impact/Vibration Resistance (m/s2) | 150/50 | |
However, pilot pressure must be greater than or equal to operating pressure
*Impact resistance: No malfunctions after testing using a drop-type shock tester under the following conditions: in the axial direction and at a right angle to the main valve with both pilot signal ON and OFF, once for each condition state. (Initial value)
Vibration resistance: No malfunctions occurred in a 1-sweep test between 8.3 and 2,000 Hz. The test was performed with both pilot signal ON and OFF and in the axial direction and at right angles to the main valve. (Initial value)
| Valve Model | Switching Method | Piping Connection Port Diameter Rc | Flow Rate Characteristics*2 | ||||
|---|---|---|---|---|---|---|---|
| 1 → 4/2 (P → A/B) | |||||||
| C (dm3/[s·bar]) | b | Cv | |||||
| Body Ported Type | VZA4121-01 | 2 Position | Single | 1/8 | 2.0 | 0.14 | 0.49 |
| VZA4221-01 | Double | 2.0 | 0.14 | 0.49 | |||
| VZA4321-01 | 3 Position | Closed Center | 1.9 | 0.15 | 0.47 | ||
| VZA4421-01 | Exhaust Center | 1.9 | 0.15 | 0.47 | |||
| Base Mounted Type (With Sub-Plate) | VZA4141-1-01 | 2 Position | Single | 1/8 | 2.4 | 0.23 | 0.56 |
| VZA4141-1-02 | 1/4 | ||||||
| VZA4141-2-01 | 1/8 | 2.4 | 0.23 | 0.56 | |||
| VZA4141-2-02 | 1/4 | ||||||
| VZA4241-1-01 | Double | 1/8 | 2.4 | 0.23 | 0.56 | ||
| VZA4241-1-02 | 1/4 | ||||||
| VZA4241-2-01 | 1/8 | 2.4 | 0.23 | 0.56 | |||
| VZA4241-2-02 | 1/4 | ||||||
| VZA4341-1-01 | 3 Position | Closed Center | 1/8 | 2.3 | 0.19 | 0.54 | |
| VZA4341-1-02 | 1/4 | ||||||
| VZA4341-2-01 | 1/8 | 2.3 | 0.19 | 0.54 | |||
| VZA4341-2-02 | 1/4 | ||||||
| VZA4441-1-01 | Exhaust Center | 1/8 | 2.3 | 0.21 | 0.52 | ||
| VZA4441-1-02 | 1/4 | ||||||
| VZA4441-2-01 | 1/8 | 2.3 | 0.21 | 0.52 | |||
| VZA4441-2-02 | 1/4 | ||||||
| Valve Model | Flow Rate Characteristics*2 | Pilot Pipe Connection Port Diameter | Pilot Port Piping Location | |||
|---|---|---|---|---|---|---|
| 4/2 → 5/3 (A/B → EA/EB) | ||||||
| C (dm3/[s·bar]) | b | Cv | ||||
| Body Ported Type | VZA4121-01 | 1.7 | 0.25 | 0.44 | M5 × 0.8 | Body side |
| VZA4221-01 | 1.7 | 0.25 | 0.44 | |||
| VZA4321-01 | 1.7 | 0.25 | 0.44 | |||
| VZA4421-01 | 1.7 | 0.25 | 0.44 | |||
| Base Mounted Type (With Sub-Plate) | VZA4141-1-01 | 2.2 | 0.19 | 0.54 | M5 × 0.8 | Sub-plate side |
| VZA4141-1-02 | ||||||
| VZA4141-2-01 | 2.2 | 0.19 | 0.54 | Body side | ||
| VZA4141-2-02 | ||||||
| VZA4241-1-01 | 2.2 | 0.19 | 0.54 | Sub-plate side | ||
| VZA4241-1-02 | ||||||
| VZA4241-2-01 | 2.2 | 0.19 | 0.54 | Body side | ||
| VZA4241-2-02 | ||||||
| VZA4341-1-01 | 2.3 | 0.21 | 0.54 | Sub-plate side | ||
| VZA4341-1-02 | ||||||
| VZA4341-2-01 | 2.3 | 0.21 | 0.54 | Body side | ||
| VZA4341-2-02 | ||||||
| VZA4441-1-01 | 2.2 | 0.22 | 0.52 | Sub-plate side | ||
| VZA4441-1-02 | ||||||
| VZA4441-2-01 | 2.2 | 0.22 | 0.52 | Body side | ||
| VZA4441-2-02 | ||||||
*1: Base Mounted Type Without Sub-Plate: VZA4□41-1/2.
*2: Maximum port diameter value.
(Units: mm)

2 position single: VZA4121-01 dimensional drawing
(Units: mm)

2 position double: VZA4221-01 dimensional drawing
(Units: mm)

3 position closed center: VZA4321-01 / 3 position exhaust center: VZA4421-01 dimensional drawing
(Units: mm)

2 position single: VZA4141-□-01/02 dimensional drawing
(Units: mm)

2 position double: VZA4241-□-01/02 dimensional drawing
(Units: mm)

3-position closed center: VZA4341-□-01/02 dimensional drawing
(Units: mm)

3-position exhaust center: VZA4441-□-01/02 dimensional drawing
| Part Number | Standard Unit Price | Minimum order quantity | Volume Discount | Days to Ship | Plumbing Thread Nominal | Switching Type | Connection Type | Option | Valve type | Pilot number | Pilot port piping method |
|---|---|---|---|---|---|---|---|---|---|---|---|
MYR 358.06 | 1 Piece(s) | 13 Day(s) or more | 1/8 | [Others] 2-position pressure | [Rc (R)] Rc | - | Body ported type | Single | Body ported (body side) | ||
- | 1 Piece(s) | Quote | 1/8 | [Others] 2-position pressure | [Rc (R)] Rc | With foot bracket | Body ported type | Single | Body ported (body side) | ||
- | 1 Piece(s) | Quote | - | [Others] 2-position pressure | - | - | Base mounted type / without sub-plate | Single | Sub-plate side (internal) | ||
- | 1 Piece(s) | Quote | 1/8 | [Others] 2-position pressure | [Rc (R)] Rc | - | Base mounted | Single | Sub-plate side (internal) | ||
MYR 398.75 | 1 Piece(s) | 10 Day(s) or more | 1/4 | [Others] 2-position pressure | [Rc (R)] Rc | - | Base mounted | Single | Sub-plate side (internal) | ||
- | 1 Piece(s) | Quote | - | [Others] 2-position pressure | - | - | Base mounted type / without sub-plate | Single | Body side (external) | ||
- | 1 Piece(s) | Quote | 1/8 | [Others] 2-position pressure | [Rc (R)] Rc | - | Base mounted | Single | Body side (external) | ||
- | 1 Piece(s) | Quote | 1/4 | [Others] 2-position pressure | [Rc (R)] Rc | - | Base mounted | Single | Body side (external) | ||
MYR 455.60 | 1 Piece(s) | 5 Day(s) or more | 1/8 | Universal | [Rc (R)] Rc | - | Body ported type | Double | Body ported (body side) | ||
- | 1 Piece(s) | Quote | - | Universal | - | - | Base mounted type / without sub-plate | Double | Sub-plate side (internal) | ||
- | 1 Piece(s) | Quote | 1/8 | Universal | [Rc (R)] Rc | - | Base mounted | Double | Sub-plate side (internal) | ||
MYR 715.57 | 1 Piece(s) | 21 Day(s) | 1/4 | Universal | [Rc (R)] Rc | - | Base mounted | Double | Sub-plate side (internal) | ||
- | 1 Piece(s) | Quote | - | Universal | - | - | Base mounted type / without sub-plate | Double | Body side (external) | ||
- | 1 Piece(s) | Quote | 1/8 | Universal | [Rc (R)] Rc | - | Base mounted | Double | Body side (external) | ||
MYR 551.95 | 1 Piece(s) | 3 Day(s) | 1/4 | Universal | [Rc (R)] Rc | - | Base mounted | Double | Body side (external) | ||
MYR 698.36 | 1 Piece(s) | 13 Day(s) or more | 1/8 | [Others] 3-position closed center | [Rc (R)] Rc | - | Body ported type | - | Body ported (body side) | ||
- | 1 Piece(s) | Quote | - | [Others] 3-position closed center | - | - | Base mounted type / without sub-plate | - | Sub-plate side (internal) | ||
- | 1 Piece(s) | Quote | 1/8 | [Others] 3-position closed center | [Rc (R)] Rc | - | Base mounted | - | Sub-plate side (internal) | ||
MYR 979.10 | 1 Piece(s) | 21 Day(s) | 1/4 | [Others] 3-position closed center | [Rc (R)] Rc | - | Base mounted | - | Sub-plate side (internal) | ||
- | 1 Piece(s) | Quote | - | [Others] 3-position closed center | - | - | Base mounted type / without sub-plate | - | Body side (external) | ||
- | 1 Piece(s) | Quote | 1/8 | [Others] 3-position closed center | [Rc (R)] Rc | - | Base mounted | - | Body side (external) | ||
- | 1 Piece(s) | Quote | 1/4 | [Others] 3-position closed center | [Rc (R)] Rc | - | Base mounted | - | Body side (external) | ||
- | 1 Piece(s) | Quote | 1/8 | [Others] 3-position exhaust center | [Rc (R)] Rc | - | Body ported type | - | Body ported (body side) | ||
- | 1 Piece(s) | Quote | - | [Others] 3-position exhaust center | - | - | Base mounted type / without sub-plate | - | Sub-plate side (internal) | ||
- | 1 Piece(s) | Quote | 1/8 | [Others] 3-position exhaust center | [Rc (R)] Rc | - | Base mounted | - | Sub-plate side (internal) | ||
MYR 979.10 | 1 Piece(s) | 21 Day(s) | 1/4 | [Others] 3-position exhaust center | [Rc (R)] Rc | - | Base mounted | - | Sub-plate side (internal) | ||
- | 1 Piece(s) | Quote | - | [Others] 3-position exhaust center | - | - | Base mounted type / without sub-plate | - | Body side (external) | ||
- | 1 Piece(s) | Quote | 1/8 | [Others] 3-position exhaust center | [Rc (R)] Rc | - | Base mounted | - | Body side (external) | ||
- | 1 Piece(s) | Quote | 1/4 | [Others] 3-position exhaust center | [Rc (R)] Rc | - | Base mounted | - | Body side (external) |
Loading...
| Applicable Fluid | Air | Type | Air Operating Type | Operating Environment | Standard |
|---|---|---|---|---|---|
| Driving Type | Pilot Type | Number of ports | 5 |
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