5 Port Air Operated Valve VFA3000/5000 Series Single Unit, Base Mounted
Caution
- Product images may be representative images. Refer to the catalog for details.
Product Description
An air operated valve made by SMC.
[Features]
· Manifolds that are the same as for VF1000/3000/5000 series are available.
5 Port Air Operated Valve VFA3000/5000 Series Single Unit, Base Mounted Specifications
VFA3000 Series external appearance
VFA5000 Series external appearance
Pilot pressure range for single - graph
| Model | VFA3000 | VFA5000 | |
|---|---|---|---|
| Fluid | Air | ||
| Operating Pressure Range MPa | 2 Position Single | 0.15 to 1.0 | |
| 2 position double / 3 position | -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)
Flow Rate Characteristics / Weight List
| Valve Model | Switching Method | Piping Connection Port Diameter | Flow Rate Characteristics*1 | Weight (g)*2 | ||||||
|---|---|---|---|---|---|---|---|---|---|---|
| 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 | |||||
| VFA3□40-02 | 2 Position | Single | 1/4 | 2.8 | 0.14 | 0.64 | 2.5 | 0.18 | 0.57 | 295 (143) |
| Double | 2.8 | 0.14 | 0.64 | 2.5 | 0.18 | 0.57 | 318 (166) | |||
| 3 Position | Closed Center | 2.1 | 0.22 | 0.49 | 1.6 | 0.26 | 0.41 | 335 (183) | ||
| Exhaust Center | 2.3 | 0.21 | 0.53 | 2.8 [2.1] | 0.23 [0.26] | 0.66 [0.50] | ||||
| Pressure Center | 2.9 [1.1] | 0.16 [0.45] | 0.67 [0.32] | 2.1 | 0.23 | 0.49 | ||||
| VFA3□40-03 | 2 Position | Single | 3/8 | 3.1 | 0.24 | 0.76 | 2.6 | 0.23 | 0.62 | 278 (143) |
| Double | 3.1 | 0.24 | 0.76 | 2.6 | 0.23 | 0.62 | 301 (166) | |||
| 3 Position | Closed Center | 2.2 | 0.33 | 0.57 | 1.6 | 0.34 | 0.40 | 318 (183) | ||
| Exhaust Center | 2.6 | 0.27 | 0.61 | 2.8 [2.3] | 0.30 [0.28] | 0.68 [0.55] | ||||
| Pressure Center | 3.4 [1.3] | 0.29 [0.48] | 0.80 [0.38] | 2.2 | 0.31 | 0.52 | ||||
| VFA5□44-02 | 2 Position | Single | 1/4 | 7.3 | 0.49 | 2.1 | 7.3 | 0.50 | 2.0 | 467 (278) |
| Double | 7.3 | 0.49 | 2.1 | 7.3 | 0.50 | 2.0 | 502 (313) | |||
| 3 Position | Closed Center | 6.6 | 0.35 | 1.7 | 6.3 | 0.31 | 1.6 | 541 (352) | ||
| Exhaust Center | 7.4 | 0.33 | 1.9 | 8.1 [7.4] | 0.35 [0.34] | 2.1 [1.9] | ||||
| Pressure Center | 8.0 [2.9] | 0.35 [0.48] | 2.1 [0.85] | 5.6 | 0.31 | 1.5 | ||||
| VFA5□44-03 | 2 Position | Single | 3/8 | 8.4 | 0.34 | 2.2 | 8.9 | 0.29 | 2.3 | 454 (278) |
| Double | 8.4 | 0.34 | 2.2 | 8.9 | 0.29 | 2.3 | 489 (313) | |||
| 3 Position | Closed Center | 7.3 | 0.34 | 2.0 | 7.1 | 0.28 | 1.8 | 528 (352) | ||
| Exhaust Center | 8.1 | 0.27 | 2.0 | 14.0 [8.3] | 0.26 [0.31] | 3.4 [2.2] | ||||
| Pressure Center | 8.1 [2.5] | 0.33 [0.48] | 2.0 [0.74] | 5.7 | 0.31 | 1.4 | ||||
| VFA5□44-04 | 2 Position | Single | 1/2 | 9.4 | 0.43 | 2.7 | 12.0 | 0.32 | 3.0 | 526 (278) |
| Double | 9.4 | 0.43 | 2.7 | 12.0 | 0.32 | 3.0 | 561 (313) | |||
| 3 Position | Closed Center | 7.1 | 0.41 | 2.1 | 7.4 | 0.32 | 2.0 | 600 (352) | ||
| Exhaust Center | 8.6 | 0.39 | 2.4 | 13.0 [8.9] | 0.21 [0.40] | 3.1 [2.5] | ||||
| Pressure Center | 11.0 [2.6] | 0.18 [0.47] | 2.6 [0.78] | 6.1 | 0.35 | 1.6 | ||||
*1: Values in [ ] are for the normal position.
*2: Values in ( ) are for without sub-plate.
Diagram / Body Ported Type
2 position single: VFA3000, VFA5000 diagram
2 position single display symbol
2 position double VFA3000, VFA5000 diagram
3 position closed center / exhaust center / pressure center
*This figure shows the closed center type
Component Parts
| Number | Part Name | Material | Notes |
|---|---|---|---|
| 1 | Body | Diecast aluminum | Urban white |
| 2 | Pilot Plate | Diecast aluminum | Urban gray |
| 3 | End Plate | Resin | Urban white |
| 4 | Piston | Resin | - |
| 5 | Spool Valve | Aluminum, HNBR | - |
| 6 | Spring | SUS | - |
Replacement Parts
| Number | Part Name | Part Number | Notes | |
|---|---|---|---|---|
| VFA3000 | VFA5000 | |||
| 7 | Gasket | DXT031-30-11 | DXT156-9-8 | HNBR |
| 8 | Sub-Plate | 1/4: VF3000-71-1□ 3/8: VF3000-71-2□ | 1/4: VF5000-71-1□ 3/8: VF5000-71-2□ 1/2: VF5000-71-3□ | Diecast aluminum |
| - | Cross Pan Head Machine Screw (1 pc.) | DXT031-44-1 (M4 × 39.5 with SW) | - | For valve mounting |
| - | Hexagon socket head cap screw (1 pc.) | - | AXT620-32-1 (M4 × 48 with SW) | For valve mounting |
Dimensions / VFA3000 Series Base Mounted Type
(Units: mm)
2 position single VFA3140-02/03□(-P) dimensional drawing
(Units: mm)
2 position double VFA3240-02/03□(-P) dimensional drawing
(Units: mm)
3 position closed center / exhaust center / pressure center: VFA3/3/4/5/40-02/03□(-P) dimensional drawing
*See the SMC catalog for information other than that detailed above.