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An air operated valve made by SMC.
[Features]
· Manifolds that are the same as for VF1000/3000/5000 series are available.
Part Number
Configured Part Number is shown.
VFA3330-02F-P

VFA1000 Series external appearance

VFA3000 Series external appearance

VFA5000 Series external appearance

Pilot pressure range for single - graph
| Model | VFA1000 | VFA3000 | VFA5000 | |
|---|---|---|---|---|
| Fluid | Air | |||
| Operating Pressure Range MPa | 2 Position Single | 0.15 to 1.0 | ||
| 2 position double / 3 position *2 | -101.2kPa to 1.0 | |||
| Pilot Pressure Range MPa | 2 Position Single | (0.4× P+0.1) to 1.0 P: operating pressure | ||
| 2 Position Double | 0.1 to 1.0 | |||
| 3 Position | 0.15 to 1.0 | |||
| Ambient and Working Fluid Temperature °C | -10 to +50 (no freezing.) | |||
| Lubrication | Not required | |||
| Mounting Orientation | Free | |||
| Impact/Vibration Resistance (m/s2 *1) | 300/50 | |||
*1: Impact resistance: No malfunctions after testing 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)
*2: Except VFA1000.
| Valve Model | Switching Method | Piping Connection Port Diameter | Flow Rate Characteristics*1 | Weight (g)*2 | |||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| 1, 4, 2 (P, A, B) | 5, 3 (EA, EB) | 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 | ||||||
| VFA1□20-M5 | 2 Position | Single | M5 × 0.8 | 0.49 | 0.40 | 0.13 | 0.52 | 0.35 | 0.13 | 97 | |
| Double | 0.49 | 0.40 | 0.13 | 0.52 | 0.35 | 0.13 | 120 | ||||
| VFA1□20-01 | 2 Position | Single | 1/8 | M5 × 0.8 | 0.76 | 0.22 | 0.17 | 0.53 | 0.28 | 0.13 | 93 |
| Double | 0.76 | 0.22 | 0.17 | 0.53 | 0.28 | 0.13 | 116 | ||||
| VFA3□30-01 | 2 Position | Single | 1/8 | 3.0 | 0.38 | 0.78 | 2.8 | 0.30 | 0.67 | 135 | |
| Double | 3.0 | 0.38 | 0.78 | 2.8 | 0.30 | 0.67 | 158 | ||||
| 3 Position | Closed Center | 2.4 | 0.31 | 0.64 | 1.8 | 0.37 | 0.46 | 175 | |||
| Exhaust Center | 2.6 | 0.37 | 0.70 | 3.0 [2.5] | 0.32 [0.28] | 0.76 [0.62] | |||||
| Pressure Center | 3.0 [1.4] | 0.42 [0.44] | 0.83 [0.39] | 2.4 | 0.27 | 0.59 | |||||
| VFA3□30-02 | 2 Position | Single | 1/4 | 1/8 | 4.0 | 0.36 | 1.0 | 3.1 | 0.32 | 0.75 | 131 |
| Double | 4.0 | 0.36 | 1.0 | 3.1 | 0.32 | 0.75 | 154 | ||||
| 3 Position | Closed Center | 2.4 | 0.45 | 0.68 | 1.9 | 0.37 | 0.47 | 171 | |||
| Exhaust Center | 3.0 | 0.42 | 0.82 | 3.1 [2.7] | 0.36 [0.29] | 0.79 [0.66] | |||||
| Pressure Center | 5.5 [1.4] | 0.37 [0.50] | 1.4 [0.40] | 2.6 | 0.32 | 0.64 | |||||
| VFA5□20-02 | 2 Position | Single | 1/4 | 7.1 | 0.46 | 1.9 | 7.7 | 0.51 | 2.2 | 294 | |
| Double | 7.1 | 0.46 | 1.9 | 7.7 | 0.51 | 2.2 | 329 | ||||
| 3 Position | Closed Center | 6.7 | 0.46 | 1.8 | 6.6 | 0.41 | 1.8 | 368 | |||
| Exhaust Center | 7.1 | 0.42 | 1.9 | 8.0 [7.4] | 0.45 [0.47] | 2.2 [2.1] | |||||
| Pressure Center | 6.8 [2.7] | 0.51 [0.50] | 2.0 [0.78] | 5.7 | 0.37 | 1.4 | |||||
| VFA5□20-03 | 2 Position | Single | 3/8 | 8.8 | 0.44 | 2.4 | 10.0 | 0.49 | 2.9 | 280 | |
| Double | 8.8 | 0.44 | 2.4 | 10.0 | 0.49 | 2.9 | 315 | ||||
| 3 Position | Closed Center | 7.5 | 0.43 | 2.0 | 7.5 | 0.38 | 1.9 | 354 | |||
| Exhaust Center | 8.3 | 0.40 | 2.2 | 10.0 [8.7] | 0.48 [0.46] | 3.0 [2.4] | |||||
| Pressure Center | 9.2 [3.0] | 0.50 [0.49] | 2.6 [0.85] | 6.1 | 0.35 | 1.6 | |||||
*1: Values in [ ] are for the normal position.
*2: Values without bracket.

2 position single: VFA1000 diagram

2 position single: VFA3000, VFA5000 diagram
| Number | Part Name | Material | Notes |
|---|---|---|---|
| 1 | Body | Diecast aluminum | Urban white |
| 2 | Pilot Plate | Diecast aluminum | Urban gray |
| 3 | End Plate | Resin (VFA3130-F is diecast aluminum) Resin (VFA1120-F is diecast aluminum) | Urban white |
| 4 | Piston | Resin | - |
| 5 | Spool Valve | Aluminum, HNBR | - |
| 6 | Spring | SUS | - |
(Units: mm)

2 position single VFA1120-M5□(-F)(-P) dimensional drawing
(Units: mm)

2 position double VFA1220-M5□(-F)(-P) dimensional drawing
(Units: mm)

2 position single VFA1120-01□(-F)(-P) dimensional drawing
(Units: mm)

2 position double VFA1220-01□(-F)(-P) dimensional drawing
*See the SMC catalog for information other than that detailed above.
| Part Number |
|---|
| VFA3330-02F-P |
| Part Number | Standard Unit Price | Minimum order quantity | Volume Discount | Days to Ship | Plumbing Thread Nominal | Switching Type | Driving Type | Connection Type | Operating Temperature Range (°C) | Bracket | Pilot number | Pilot port direction | Body type |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
MYR 778.98 | 1 Piece(s) | 23 Day(s) or more | 1/4 | [Others] 3-position closed center | Pilot Type | G | - | No bracket | - | Lateral | VFA3000 |
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| Applicable Fluid | Air | Type | Air Operating Type | Operating Environment | Standard / No oil |
|---|---|---|---|---|---|
| Number of ports | 5 |
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