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An air operated valve made by SMC.
[Features]
· Internal pilot specification manifolds that are the same as for VP300/500/700 series are available.
· Easy to switch between N.C. and N.O.
VPA300 Series external appearance
VPA500 Series external appearance
VPA700 Series external appearance
Fluid | Air | |
---|---|---|
Switching Method | N.C. or N.O. (changeable) | |
Operating Pressure Range (MPa) | Standard | 0.2 to 1.0 |
Pilot Pressure (MPa) | 0.2 to 1.0 (equal to or exceeding the operating pressure) | |
Ambient and Working Fluid Temperature °C | -10 to +50 (no freezing.) | |
Lubrication | Not required | |
Mounting Orientation | Free | |
Impact/Vibration Resistance (m/s2*) | 300/50 |
*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)
Model | Piping Connection Port Diameter | 1 ⇔ 2 (P ⇔ A) | 2 ⇔ 3 (A ⇔ R) | Weight (g)* | ||||
---|---|---|---|---|---|---|---|---|
C (dm3/[s·bar]) | b | Cv | C (dm3/[s·bar]) | b | Cv | |||
VPA342 | 1/8 | 3.5 | 0.26 | 0.8 | 3.6 | 0.26 | 0.9 | 118 |
1/4 | 4.2 | 0.22 | 1 | 4.2 | 0.23 | 1 | 114 | |
VPA542 | 1/4 | 7.9 | 0.21 | 1.8 | 7.2 | 0.27 | 1.8 | 237 |
3/8 | 8.9 | 0.16 | 2.2 | 8.9 | 0.2 | 2.1 | 229 | |
VPA742 | 3/8 | 11.9 | 0.21 | 2.7 | 11.8 | 0.2 | 2.7 | 501 |
1/2 | 15.1 | 0.21 | 3.6 | 15.3 | 0.22 | 3.7 | 484 |
*Values without bracket.
Standard type diagram
Component Parts
Number | Part Name | Material | Notes |
---|---|---|---|
1 | Body | Diecast aluminum | Urban white |
2 | Adapter Plate | Diecast aluminum | Urban gray |
3 | End Plate | Resin | Urban white |
4 | Piston | Resin | - |
5 | Poppet Valve | Aluminum, HNBR | - |
6 | Retainer | Resin | - |
7 | Spring | SUS | - |
Standard type JIS symbol (N.C.)
Standard type JIS symbol (N.O.)
(Units: mm)
Standard type: VPA342-1-01/02□A/B(-F) dimensional drawing
(Units: mm)
Standard type: VPA542-1-02/03□A/B(-F) dimensional drawing
(Units: mm)
Standard type: VPA742-1-03/04□A/B(-F) dimensional drawing
(Units: mm)
VPA342 (left image) / VPA542 (right drawing) dimensional drawing
*See the SMC catalog for information other than that detailed above.
Part Number |
---|
VPA542-1-03NA-F |
VPA742-1-03NA-F |
Part Number | Price | Name | Minimum Order Qty. | Volume Discount | Days to Ship | Applicable Fluid | Switching Type | Connection Type | Plumbing Thread Nominal | Driving Type | Bracket | Detailed type | Made to order specifications |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|
฿ 1,830.05 | SMC VPA TYPE | 1 Piece(s) | 55 Day(s) | Air | Normally Closed | NPT | 3/8 | Pilot Type | With Bracket | - | None | ||
฿ 2,881.50 | SMC MECHANICAL AIR VALVE | 1 Piece(s) | 55 Day(s) | Air | Normally Closed | NPT | 3/8 | Pilot Type | With Bracket | - | None |
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Type | Air Operating Type | Operating Environment | Standard / No oil | Pilot number | Single |
---|---|---|---|---|---|
Number of ports | 3 |
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How can we improve?