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3 Port Air Operated Valve, Base Mounted Single Unit VPA300/500/700 Series (VPA344V-1-02NA)

3 Port Air Operated Valve, Base Mounted Single Unit VPA300/500/700 Series VPA344V-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.

PDF

Part Number

Configured Part Number is shown.

VPA344V-1-02NA

3 Port Air Operated Valve, Base Mounted Type, Single Unit VPA300/500/700 Series Specifications

VPA300 Series external appearance

VPA300 Series external appearance

VPA500 Series external appearance

VPA500 Series external appearance

VPA700 Series external appearance

VPA700 Series external appearance

FluidAir
Switching MethodN.C. or N.O. (changeable)
Operating Pressure Range (MPa)Standard0.2 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.)
LubricationNot required
Mounting OrientationFree
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

ModelPiping Connection Port Diameter1 ←→ 2 (P ←→ A)2 ←→ 3 (A ←→ R)Weight (g)*
C [dm3/(s·bar)]bCvC [dm3/(s·bar)]bCv
VPA3441/83.60.220.83.50.240.8185 (118)
1/43.90.220.93.80.140.9180 (118)
VPA5441/47.50.161.77.30.201.7358 (233)
3/88.80.072.08.80.132.0350 (233)
VPA7443/812.90.102.913.30.243.1693 (476)
1/214.70.053.315.00.173.4675 (476)

*Values in ( ) are for without sub-plate.

Diagram

Standard type diagram

Standard type diagram

For vacuums - diagram

For vacuums - diagram

Component Parts

NumberPart NameMaterialNotes
1BodyDiecast aluminumUrban white
2Adapter PlateDiecast aluminumUrban gray
3End PlateResinUrban white
4PistonResin-
5Poppet ValveAluminum, HNBR-
6RetainerResin-
7SpringSUS-

Replacement Parts

NumberPart NamePart numberNotes
VP344VP544VP744
8GasketVP300-217-1VP500-217-1VP700-217-1HNBR
9Sub-PlateVP300-202-□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

Standard type: VPA344-1-01/02□A/B dimensional drawing

 

(Units: mm)

 

For vacuums: VPA344V-1-01/02□A/B dimensional drawing

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

Standard type: VPA544-1-02/03□A/B dimensional drawing

 

(Units: mm)

 

For vacuums: VPA544V-1-02/03□A/B dimensional drawing

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

Standard type: VPA744-1-03/04□A/B dimensional drawing

*See the SMC catalog for information other than that detailed above.

Part Number
VPA344V-1-02NA
Part NumberStandard Unit PriceMinimum order quantityVolume DiscountDays to ShipApplicable Fluid Switching Type Connection Type Plumbing Thread Nominal Driving Type Detailed type Valve type

-

1 Piece(s) Quote VacuumNormally ClosedNPT1/4Pilot Type-Base mounted

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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 VPA344V-1-02NA in the 3 Port Air Operated Valve, Base Mounted Single Unit VPA300/500/700 Series series.

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