(!)Due to Microsoft's end of support for Internet Explorer 11 on 15/06/2022, this site does not support the recommended environment.
Instead, please kindly use other browsers like Google Chrome, Microsoft Edge or Mozilla Firefox.

  • Please be informed that our office is closed during the upcoming Labour Day Holiday in 2024. We would also like to inform you that there may be a potential delay in response/shipment from the supplier due to the Japan Golden Week holiday which falls from 29th April to 6th May 2024. Click here for details.
  • Please Note our New Address (effective April 1, 2024): 331 North Bridge Rd, #05-01 Odeon 331, Singapore 188720.

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

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

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

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
VPA544-1-03A
VPA544-1-03B
VPA544-1-03FA
VPA544-1-03FB
VPA544-1-03NA
VPA544-1-03NB
VPA544-1-03TA
VPA544V-1-03A
VPA544V-1-03B
VPA544V-1-03FA
VPA544V-1-03FB
VPA544V-1-03NA
VPA544V-1-03TA
VPA744-1-03A
VPA744-1-03B
VPA744-1-03FA
VPA744-1-03FB
VPA744-1-03NA
VPA744-1-03NB
VPA744-1-03TB
VPA744V-1-03A
VPA744V-1-03B
VPA744V-1-03FA
VPA744V-1-03NA
Part NumberStandard Unit PriceMinimum order quantityVolume DiscountDays to ShipApplicable Fluid Switching Type Connection Type Plumbing Thread Nominal Driving Type Detailed type Valve type

SGD 155.63

1 Piece(s) 46 Day(s) AirNormally Closed[Rc (R)] Rc3/8Pilot Type-Base mounted

SGD 155.63

1 Piece(s) 46 Day(s) AirNormally Open[Rc (R)] Rc3/8Pilot Type-Base mounted

-

1 Piece(s) Quote AirNormally ClosedG3/8Pilot Type-Base mounted

-

1 Piece(s) Quote AirNormally OpenG3/8Pilot Type-Base mounted

-

1 Piece(s) Quote AirNormally ClosedNPT3/8Pilot Type-Base mounted

-

1 Piece(s) Quote AirNormally OpenNPT3/8Pilot Type-Base mounted

-

1 Piece(s) Quote AirNormally ClosedNPTF3/8Pilot Type-Base mounted

SGD 169.52

1 Piece(s) 46 Day(s) VacuumNormally Closed[Rc (R)] Rc3/8Pilot Type-Base mounted

SGD 169.52

1 Piece(s) 46 Day(s) VacuumNormally Open[Rc (R)] Rc3/8Pilot Type-Base mounted

-

1 Piece(s) Quote VacuumNormally ClosedG3/8Pilot Type-Base mounted

-

1 Piece(s) Quote VacuumNormally OpenG3/8Pilot Type-Base mounted

-

1 Piece(s) Quote VacuumNormally ClosedNPT3/8Pilot Type-Base mounted

-

1 Piece(s) Quote VacuumNormally ClosedNPTF3/8Pilot Type-Base mounted

SGD 244.77

1 Piece(s) 46 Day(s) AirNormally Closed[Rc (R)] Rc3/8Pilot Type-Base mounted

SGD 244.77

1 Piece(s) 46 Day(s) AirNormally Open[Rc (R)] Rc3/8Pilot Type-Base mounted

-

1 Piece(s) Quote AirNormally ClosedG3/8Pilot Type-Base mounted

-

1 Piece(s) Quote AirNormally OpenG3/8Pilot Type-Base mounted

-

1 Piece(s) Quote AirNormally ClosedNPT3/8Pilot Type-Base mounted

-

1 Piece(s) Quote AirNormally OpenNPT3/8Pilot Type-Base mounted

-

1 Piece(s) Quote AirNormally OpenNPTF3/8Pilot Type-Base mounted

-

1 Piece(s) Quote VacuumNormally Closed[Rc (R)] Rc3/8Pilot Type-Base mounted

-

1 Piece(s) Quote VacuumNormally Open[Rc (R)] Rc3/8Pilot Type-Base mounted

-

1 Piece(s) Quote VacuumNormally ClosedG3/8Pilot Type-Base mounted

-

1 Piece(s) Quote VacuumNormally ClosedNPT3/8Pilot Type-Base mounted

Loading...

  1. 1

Basic Information

Type Air Operating Type Operating Environment Standard / No oil Pilot number Single
Number of ports 3

Tech Support