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An air operated valve made by SMC.
[Features]
· The main valve construction is a metal seal type.

VZA212 external appearance

VZA414-1 external appearance

VZA212/4, VZA412/4 JIS symbol

VZA222/4, VZA422/4 JIS symbol
| Fluid | Air | |
|---|---|---|
| Operating Pressure Range (MPa) | VZA212, 214 VZA222, 224 | 0.1 to 1.0 |
| VZA412, 414 VZA422, 424 | 0.15 to 1.0 | |
| Pilot Pressure Range (MPa) | VZA212, 214 VZA222, 224 | 0.1 to 1.0 |
| VZA412, 414 VZA422, 424 | 0.15 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 45 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 | Pilot Method | Piping Connection Port Diameter | Flow Rate Characteristics*2 | Pilot Pipe Connection Port Diameter | ||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 → 4/2 (P → A/B) | 4/2 → 5/3 (A/B → EA/EB) | ||||||||||
| C (dm3/[s·bar]) | b | Cv | C (dm3/[s·bar]) | b | Cv | ||||||
| Body Ported Type | VZA212-P-M5 | N.C. | Body side | M5 × 0.8 | 0.60 | 0.43 | 0.15 | 0.52 | 0.35 | 0.13 | M5 × 0.8 |
| VZA222-P-M5 | N.O. | Body side | M5 × 0.8 | 0.60 | 0.43 | 0.15 | 0.52 | 0.35 | 0.13 | M5 × 0.8 | |
| Base Mounted Type (With sub-plate) | VZA214-1P-01 | N.C. | Sub-plate side | Rc 1/8 | 1.0 | 0.30 | 0.25 | 0.85 | 0.35 | 0.22 | M5 × 0.8 |
| VZA214-2P-01 | N.C. | Body side | Rc 1/8 | 1.0 | 0.30 | 0.25 | 0.85 | 0.35 | 0.22 | M5 × 0.8 | |
| VZA224-1P-01 | N.O. | Sub-plate side | Rc 1/8 | 0.90 | 0.25 | 0.21 | 0.85 | 0.35 | 0.22 | M5 × 0.8 | |
| VZA224-2P-01 | N.O. | Body side | Rc 1/8 | 0.90 | 0.25 | 0.21 | 0.85 | 0.35 | 0.22 | M5 × 0.8 | |
| Body Ported Type | VZA412-P-01 | N.C. | Body side | Rc 1/8 | 2.0 | 0.14 | 0.49 | 2.2 | 0.17 | 0.53 | M5 × 0.8 |
| VZA422-P-01 | N.O. | Body side | Rc 1/8 | 2.0 | 0.17 | 0.49 | 2.2 | 0.17 | 0.53 | M5 × 0.8 | |
| Base Mounted Type | VZA414-1P-01 | N.C. | Sub-plate side | Rc 1/8 | 2.4 | 0.19 | 0.57 | 2.2 | 0.11 | 0.49 | M5 × 0.8 |
| VZA414-2P-01 | N.C. | Body side | Rc 1/8 | 2.4 | 0.19 | 0.57 | 2.2 | 0.11 | 0.49 | M5 × 0.8 | |
| VZA424-1P-01 | N.O. | Sub-plate side | Rc 1/8 | 2.4 | 0.19 | 0.57 | 1.9 | 0.32 | 0.45 | M5 × 0.8 | |
| VZA424-2P-01 | N.O. | Body side | Rc 1/8 | 2.4 | 0.19 | 0.57 | 1.9 | 0.32 | 0.45 | M5 × 0.8 | |
(Units: mm)

Body ported type: VZA2□2-P-M5 dimensional drawing
(Units: mm)

Body ported type with bracket: VZA2□2-P-M5-F dimensional drawing
(Units: mm)

Base Mounted Type: VZA2□4-□-01 dimensional drawing
(Units: mm)

Body ported type: VZA4□2-P-01 dimensional drawing
(Units: mm)

Base Mounted Type: VZA4□4-□-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 | Pilot port piping method | Body type |
|---|---|---|---|---|---|---|---|---|---|---|
MYR 230.72 | 1 Piece(s) | 10 Day(s) or more | M5 | Normally Closed | M | - | Body ported (body side) | Body ported type | ||
MYR 315.62 | 1 Piece(s) | 21 Day(s) | M5 | Normally Closed | M | With foot bracket | Body ported (body side) | Body ported type | ||
- | 1 Piece(s) | Quote | - | Normally Closed | - | - | Sub-plate side (internal) | Base mounted type / without sub-plate | ||
MYR 290.18 | 1 Piece(s) | 10 Day(s) or more | 1/8 | Normally Closed | [Rc (R)] Rc | - | Sub-plate side (internal) | Base Mounted Type | ||
- | 1 Piece(s) | Quote | - | Normally Closed | - | - | Body side (external) | Base mounted type / without sub-plate | ||
MYR 384.05 | 1 Piece(s) | 21 Day(s) | 1/8 | Normally Closed | [Rc (R)] Rc | - | Body side (external) | Base Mounted Type | ||
MYR 229.86 | 1 Piece(s) | 10 Day(s) or more | M5 | Normally Open | M | - | Body ported (body side) | Body ported type | ||
MYR 315.62 | 1 Piece(s) | 21 Day(s) | M5 | Normally Open | M | With foot bracket | Body ported (body side) | Body ported type | ||
- | 1 Piece(s) | Quote | - | Normally Open | - | - | Sub-plate side (internal) | Base mounted type / without sub-plate | ||
MYR 384.05 | 1 Piece(s) | 21 Day(s) | 1/8 | Normally Open | [Rc (R)] Rc | - | Sub-plate side (internal) | Base Mounted Type | ||
- | 1 Piece(s) | Quote | 1/8 | Normally Open | G | - | Sub-plate side (internal) | Base Mounted Type | ||
- | 1 Piece(s) | Quote | - | Normally Open | - | - | Body side (external) | Base mounted type / without sub-plate | ||
- | 1 Piece(s) | Quote | 1/8 | Normally Open | [Rc (R)] Rc | - | Body side (external) | Base Mounted Type | ||
MYR 289.41 | 1 Piece(s) | 5 Day(s) or more | 1/8 | Normally Closed | [Rc (R)] Rc | - | Body ported (body side) | Body ported type | ||
MYR 413.18 | 1 Piece(s) | 21 Day(s) | 1/8 | Normally Closed | [Rc (R)] Rc | With foot bracket | Body ported (body side) | Body ported type | ||
- | 1 Piece(s) | Quote | 1/8 | Normally Closed | G | - | Body ported (body side) | Body ported type | ||
- | 1 Piece(s) | Quote | 1/8 | Normally Closed | NPT | - | Body ported (body side) | Body ported type | ||
- | 1 Piece(s) | Quote | 1/8 | Normally Closed | NPTF | - | Body ported (body side) | Body ported type | ||
MYR 398.17 | 1 Piece(s) | 21 Day(s) | - | Normally Closed | - | - | Sub-plate side (internal) | Base mounted type / without sub-plate | ||
- | 1 Piece(s) | Quote | 1/8 | Normally Closed | [Rc (R)] Rc | - | Sub-plate side (internal) | Base Mounted Type | ||
- | 1 Piece(s) | Quote | - | Normally Closed | - | - | Body side (external) | Base mounted type / without sub-plate | ||
MYR 448.07 | 1 Piece(s) | 21 Day(s) | 1/8 | Normally Closed | [Rc (R)] Rc | - | Body side (external) | Base Mounted Type | ||
MYR 319.97 | 1 Piece(s) | 10 Day(s) or more | 1/8 | Normally Open | [Rc (R)] Rc | - | Body ported (body side) | Body ported type | ||
MYR 480.40 | 1 Piece(s) | 31 Day(s) | 1/8 | Normally Open | [Rc (R)] Rc | With foot bracket | Body ported (body side) | Body ported type | ||
- | 1 Piece(s) | Quote | 1/8 | Normally Open | G | - | Body ported (body side) | Body ported type | ||
- | 1 Piece(s) | Quote | 1/8 | Normally Open | NPTF | - | Body ported (body side) | Body ported type | ||
- | 1 Piece(s) | Quote | - | Normally Open | - | - | Sub-plate side (internal) | Base mounted type / without sub-plate | ||
- | 1 Piece(s) | Quote | 1/8 | Normally Open | [Rc (R)] Rc | - | Sub-plate side (internal) | Base Mounted Type | ||
- | 1 Piece(s) | Quote | 1/8 | Normally Open | G | - | Sub-plate side (internal) | Base Mounted Type | ||
- | 1 Piece(s) | Quote | - | Normally Open | - | - | Body side (external) | Base mounted type / without sub-plate | ||
MYR 448.07 | 1 Piece(s) | 21 Day(s) | 1/8 | Normally Open | [Rc (R)] Rc | - | Body side (external) | Base Mounted Type |
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| Applicable Fluid | Air | Type | Air Operating Type | Operating Environment | Standard |
|---|---|---|---|---|---|
| Driving Type | Pilot Type | Pilot number | Single | Number of ports | 3 |
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