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3 Port Air Operated Valve, Base Mounted Single Unit VPA300/500/700 Series (VPA344-1-02NA)
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.
(i)Caution
- Product images may be representative images. Refer to the catalog for details.
Part Number
Configured Part Number is shown.
VPA344-1-02NA
3 Port Air Operated Valve, Base Mounted Type, Single Unit VPA300/500/700 Series Specifications
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 |
| For vacuums | -100 kPa to 0.2 | |
| 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)
Flow Rate Characteristics / Weight List
| 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 | |||
| VPA344 | 1/8 | 3.6 | 0.22 | 0.8 | 3.5 | 0.24 | 0.8 | 185 (118) |
| 1/4 | 3.9 | 0.22 | 0.9 | 3.8 | 0.14 | 0.9 | 180 (118) | |
| VPA544 | 1/4 | 7.5 | 0.16 | 1.7 | 7.3 | 0.20 | 1.7 | 358 (233) |
| 3/8 | 8.8 | 0.07 | 2.0 | 8.8 | 0.13 | 2.0 | 350 (233) | |
| VPA744 | 3/8 | 12.9 | 0.10 | 2.9 | 13.3 | 0.24 | 3.1 | 693 (476) |
| 1/2 | 14.7 | 0.05 | 3.3 | 15.0 | 0.17 | 3.4 | 675 (476) | |
*Values in ( ) are for without sub-plate.
Diagram
Standard type diagram
For vacuums - 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 | - |
Replacement Parts
| Number | Part Name | Part number | Notes | ||
|---|---|---|---|---|---|
| VP344 | VP544 | VP744 | |||
| 8 | Gasket | VP300-217-1 | VP500-217-1 | VP700-217-1 | HNBR |
| 9 | Sub-Plate | VP300-202-□ | VP500-202-□ | VP700-202-□ | Diecast aluminum |
| - | Hexagon socket head cap screw (1 pc.) | VP300-224-1 (M3 × 36) | VP500-224-1 (M4 × 46) | VP700-224-1 (M5 × 66) | For valve mounting |
*Mounting screw tightening torque: M3 (0.8 N·m) / M4 (1.4 N·m) / M5 (2.9 N·m)
Drawing
VPA300 Series Base Mounted Type
(Units: mm)
Standard type: VPA344-1-01/02□A/B dimensional drawing
(Units: mm)
For vacuums: VPA344V-1-01/02□A/B dimensional drawing
VPA500 Series Base Mounted Type
(Units: mm)
Standard type: VPA544-1-02/03□A/B dimensional drawing
(Units: mm)
For vacuums: VPA544V-1-02/03□A/B dimensional drawing
VPA700 Series Base Mounted Type
(Units: mm)
Standard type: VPA744-1-03/04□A/B dimensional drawing
*See the SMC catalog for information other than that detailed above.
| Part Number |
|---|
| VPA344-1-02NA |
| Part Number | Standard Unit Price | Minimum order quantity | Volume Discount | Days to Ship | Applicable Fluid | Switching Type | Connection Type | Plumbing Thread Nominal | Driving Type | Detailed type | Valve type |
|---|---|---|---|---|---|---|---|---|---|---|---|
- | 1 Piece(s) | Quote | Air | Normally Closed | NPT | 1/4 | Pilot Type | - | Base mounted |
Loading...
Basic Information
| Type | Air Operating Type | Operating Environment | Standard / No oil | Pilot number | Single |
|---|---|---|---|---|---|
| Number of ports | 3 |
Please check the type/dimensions/specifications of the part VPA344-1-02NA in the 3 Port Air Operated Valve, Base Mounted Single Unit VPA300/500/700 Series series.
Specification/Dimensions
-
Detailed type
- VPA500
- VPA700
-
type
- VPA300
- VPA5
- VPA500
- VPA7
- VPA700
-
Applicable Fluid
- Air
- Vacuum
-
Switching Type
- Normally Closed
- Normally Open
-
Connection Type
- Rc (R)
- G
- NPT
- NPTF
- Rc (R)
-
Plumbing Thread Nominal
-
Driving Type
- Pilot Type
-
Valve type
-
CAD
- 2D
- 3D
Days to Ship
-
- All
- 32 Day(s) or Less
Specify Alterations
- The specifications and dimensions of some parts may not be fully covered. For exact details, refer to manufacturer catalogs .
Similar Part Numbers
| Part Number |
|---|
| VPA344-1-01FB |
| VPA344-1-01NA |
| VPA344-1-01NB |
| VPA344-1-02TA |
| VPA344-1-02TB |
| VPA344-1-A |
| Part Number | Standard Unit Price | Minimum order quantity | Volume Discount | Days to Ship | Applicable Fluid | Switching Type | Connection Type | Plumbing Thread Nominal | Driving Type | Detailed type | Valve type |
|---|---|---|---|---|---|---|---|---|---|---|---|
- | 1 Piece(s) | Quote | Air | Normally Open | G | 1/8 | Pilot Type | - | Base mounted | ||
SGD 127.52 | 1 Piece(s) | 32 Day(s) | Air | Normally Closed | NPT | 1/8 | Pilot Type | - | Base mounted | ||
- | 1 Piece(s) | Quote | Air | Normally Open | NPT | 1/8 | Pilot Type | - | Base mounted | ||
- | 1 Piece(s) | Quote | Air | Normally Closed | NPTF | 1/4 | Pilot Type | - | Base mounted | ||
- | 1 Piece(s) | Quote | Air | Normally Open | NPTF | 1/4 | Pilot Type | - | Base mounted | ||
SGD 113.63 | 1 Piece(s) | 32 Day(s) | Air | Normally Closed | - | - | Pilot Type | - | Base mounted type / without sub-plate |
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