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3 Port Air Operated Valve VPA3145/3165/3185 Series

3 Port Air Operated Valve VPA3145/3165/3185 Series

Air operated valve with large valve capacity and small exhaust resistance.

(i)Caution

  • Product images may be representative images. Refer to the catalog for details.

PDF

Part Number

Configured Part Number is shown.

3 Port Air Operated Valve VPA3145/3165/3185 Series Specifications

VPA3165-06 external appearance

VPA3165-06 external appearance

VPA3145-03 external appearance

VPA3145-03 external appearance

JIS symbol (pressurized)

JIS symbol (pressurized)

JIS symbol (vacuum)

JIS symbol (vacuum)

Pilot Pressure Range

Pilot Pressure Range

FluidAir
Switching MethodN.C. only (for vacuums: N.O. only)
Operating Pressure RangeFor vacuums and low pressuresGeneral use
-101.2 kPa to 0.2 MPa0.2 to 0.8 MPa
Pilot Pressure RangeSee pilot pressure graph.
Ambient and Working Fluid Temperature °C0 (no freezing) to 60
LubricationRequired (turbine oil class 1 ISO VG32 equivalent)
Mounting OrientationFree
*Impact/Vibration Resistance (m/s2)150/50

*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

Valve ModelPiping Connection Port DiameterFlow Rate CharacteristicsWeight (kg)
1 → 2 (IN → OUT)2 → 3 (OUT → EXH)
1 (IN), 2 (OUT)3 (EXH)C (dm3/[s·bar])bCvC (dm3/[s·bar])bCv
VPA31453/83/4190.435.5180.475.41.0
1/2230.326.2420.395.8
3/4280.367.6260.357.0
Valve ModelPiping Connection Port DiameterEffective area (mm2)Weight (kg)
1 (IN), 2 (OUT)3 (EXH)1 → 2 (IN → OUT)2 → 3 (OUT → EXH)
VPA31653/41 1/42302801.5
1280310
1 1/4310330
VPA31851 1/425706502.3
1 1/2650670
2650670

Drawing

 

(Units: mm)

 

3 Port Air Operated Valve dimensional drawing

3 Port Air Operated Valve dimensional drawing

 

(Units: mm)

 

ModelPiping Connection Port Diameter RcABCDEFGHJKLMounting Hole
IN, OUTEXH
VPA31453/83/47185145255933287.4367180øø8.5 mm
1/2
3/4
VPA31653/41 1/482.611017687511845113367195øø8.5 mm
1
1 1/4
VPA31851 1/42118132148095140521404181105øø13 mm
1 1/2
2

Precautions

  • *Be sure to read the safety precautions and common precautions sections in the SMC catalog before use.
  • *Regarding lubrication: This valve is a lubricated type. Use turbine oil class 1 (ISO VG32).
  • *See the SMC catalog for information on piping, relationships of pressure applied to each port, air quality, piping when using a vacuum, etc.
Part Number
VPA3145-03
VPA3145-03-F
VPA3145-03-N
VPA3145-03-T
VPA3145V-03
Part NumberMinimum order quantityVolume DiscountDays to ShipApplicable Fluid Switching Type Connection Type Plumbing Thread Nominal Driving Type Body size
1 Piece(s) 31 Day(s) AirNormally Closed[Rc (R)] Rc3/8Pilot Type1/2
1 Piece(s) 31 Day(s) AirNormally ClosedG3/8Pilot Type1/2
1 Piece(s) 31 Day(s) AirNormally ClosedNPT3/8Pilot Type1/2
1 Piece(s) 31 Day(s) AirNormally ClosedNPTF3/8Pilot Type1/2
1 Piece(s) 31 Day(s) VacuumNormally Open[Rc (R)] Rc3/8Pilot Type1/2

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Basic Information

Type Air Operating Type Operating Environment Standard Valve type Body ported type
Pilot number Single Number of ports 3

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