5 Port Air Operated Valve VPA4□50/4□70 Series
Product Description
An air operated valve made by SMC.
[Features]
· Manifolds that are the same as for VP4□50 series are available.
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5 Port Air Operated Valve VPA4□50/4□70 Series Specifications
VPA4150-04 external appearance
VPA4270-14 external appearance
2 position single VPA4150/4170 JIS code
2 position double VPA4250/4270 JIS code
3-position closed center VPA4350 JIS code
Pilot pressure range graph
| Fluid | Air |
|---|---|
| Operating Pressure Range (MPa) | 0.2 to 0.9 |
| Pilot Pressure Range (MPa) | See the pilot pressure graph below. |
| Ambient and Working Fluid Temperature °C | 0 to 60 |
| *1: Lubrication | Required (turbine oil class 1 ISO VG32 equivalent) |
| Mounting Orientation | Free |
| *2: Impact/Vibration Resistance (m/s2) | 150/50 |
*1: This valve is a lubricated type. Use class 1 turbine oil (ISO VG32).
*2: 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 1,000 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
| Switching Method | Model | Piping Connection Port Diameter | Flow Rate Characteristics | Weight (kg) | ||||||
|---|---|---|---|---|---|---|---|---|---|---|
| 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 | |||||
| 2 Position | Single | VPA4150 | 3/8 | 15 | 0.22 | 3.6 | 16 | 0.33 | 4.5 | 1.9 |
| 1/2 | 17 | 0.15 | 4.0 | 19 | 0.28 | 5.1 | ||||
| 3/4 | 21 | 0.13 | 5.2 | 21 | 0.28 | 5.6 | 2.7 | |||
| Double | VPA4250 | 3/8 | 15 | 0.22 | 3.6 | 16 | 0.33 | 4.5 | 1.9 | |
| 1/2 | 17 | 0.15 | 4.0 | 19 | 0.28 | 5.1 | ||||
| 3/4 | 21 | 0.13 | 5.2 | 21 | 0.28 | 5.6 | 2.7 | |||
| 3 Position | Closed Center | VPA4350 | 3/8 | 16 | 0.28 | 4.0 | 15 | 0.29 | 4.0 | 2.5 |
| 1/2 | 18 | 0.27 | 4.7 | 18 | 0.23 | 4.5 | ||||
| 3/4 | 22 | 0.19 | 5.3 | 20 | 0.23 | 5.0 | 3.3 | |||
| Exhaust Center | VPA4450 | 3/8 | 16 | 0.28 | 3.9 | 16 (15) | 0.29 (0.28) | 4.2 (4.0) | 2.5 | |
| 1/2 | 18 | 0.24 | 4.5 | 19 (16) | 0.24 (0.27) | 4.8 (4.5) | ||||
| 3/4 | 22 | 0.15 | 5.1 | 22 (18) | 0.23 (0.30) | 5.5 (4.8) | 3.3 | |||
| Switching Method | Model | Piping Connection Port Diameter | Effective area (mm2) | Weight (kg) | |
|---|---|---|---|---|---|
| 2 Position | Single | VPA4150 | 1 | 120 | 2.7 |
| VPA4170 | 1 1/4 | 280 | 8.8 | ||
| 1 1/2 | 300 | ||||
| Double | VPA4250 | 1 | 120 | 2.7 | |
| VPA4270 | 1 1/4 | 280 | 8.8 | ||
| 1 1/2 | 300 | ||||
| 3 Position | Closed Center | VPA4350 | 1 | 110 | 3.3 |
| Exhaust Center | VPA4450 | 1 | 110 | 3.3 | |
