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thận trọng
An air operated valve made by SMC.
[Features]
· Manifolds that are the same as for VF1000/3000/5000 series are available.
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)
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.
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 |
(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.
Part Number |
---|
VFA5144-02T |
VFA5144-03T |
VFA5144-03T-P |
VFA5344-02T-P |
VFA5444-04T-P |
Part Number | Price | Minimum Order Qty. | Volume Discount | Days to ShipSố ngày giao hàng | RoHS | Switching Type | Connection Type | Plumbing Thread Nominal | Driving Type | Operating Temperature Range (°C) | Detailed type | Valve type | Pilot port thread type | Pilot number | Pilot port direction |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
- | 1 Piece(s) | Quote | - | [Others] 2-position exhaust | NPTF | 1/4 | Pilot Type | - | - | Base mounted | NPTF | Single | Upward | ||
- | 1 Piece(s) | Quote | - | [Others] 2-position exhaust | NPTF | 3/8 | Pilot Type | - | - | Base mounted | NPTF | Single | Upward | ||
- | 1 Piece(s) | Quote | - | [Others] 2-position exhaust | NPTF | 3/8 | - | -10~50 | VFA5000 | Base mounted | NPTF | Single | Lateral | ||
- | 1 Piece(s) | Quote | - | [Others] 3-position closed center | NPTF | 1/4 | Pilot Type | - | - | Base mounted | NPTF | - | Lateral | ||
- | 1 Piece(s) | Quote | - | [Others] 3-position exhaust center | NPTF | 1/2 | Pilot Type | - | - | Base mounted | NPTF | - | Lateral |
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Type | Air Operating Type | Applicable Fluid | Air | Operating Environment | Standard / No oil |
---|---|---|---|---|---|
Number of ports | 5 |
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