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Process Valve, 2 Port Valve For Compressed Air And Air-Hydro Circuit Control VNA Series (VNA411A-25A-1TZ-B)

Process Valve, 2 Port Valve For Compressed Air And Air-Hydro Circuit Control VNA Series VNA411A-25A-1TZ-B

SMC

SMC

A 2 port valve for compressed air and air-hydro circuit control made by SMC.
[Features]
· A universal 2 port valve exclusively for controlling air pressure systems and air-hydro circuits
· Cylinder actuation by external pilot air
· Balance poppet type that allows normal and reverse flow
· Can be operated at 0 MPa
· Wide variations

(i)Caution

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

PDF

Part Number

Configured Part Number is shown.

VNA411A-25A-1TZ-B

Process Valve, 2 Port Valve For Air-Hydro Circuit Control VNA Series Specifications

VNA Series external pilot solenoid type external appearance

VNA Series external pilot solenoid type external appearance

VNA Series air-operated type external appearance

VNA Series air-operated type external appearance

VNA□01 JIS symbol

VNA□01 JIS symbol

VNA□02 JIS symbol

VNA□02 JIS symbol

VNA□03 JIS symbol

VNA□03 JIS symbol

VNA□11 JIS symbol

VNA□11 JIS symbol

Fluid TemperatureVNA□□□A*1 -5 to +60°C
VNA□□□B
VNA□□□C		*1: -5 to +99°C
(air-operated type only)
Ambient Temperature*1 -5 to +50°C (60°C for air-operated type)
Proof Pressure1.5 MPa
Operating Pressure Range0 to 1 MPa
External Pilot AirPressure Range0.2 to 0.7 MPa
LubricationNot required (if lubricating, use turbine oil class 1 ISO VG32 *2)
Temperature*1: -5 to +50°C (60°C for air-operated type)
Mounting Orientation*3: Unrestricted

*1: No freezing.
*2: Do not lubricate if seal material is EPR.
*3: However, if the external pilot is a solenoid type, SMC recommends mounting the pilot solenoid valve in an upward facing vertical or horizontal orientation.

Model

ModelPiping Connection Port Diameter
Thread		Orifice Diameter
ø(mm)		Flow Rate CharacteristicsWeight (kg)
Measured with AirMeasured with Water*
C
(dm3/(bar·sec)]		bCvKvConversion CvAir Operated TypeExternal Pilot Solenoid Type
VNA1□□□-6A1/8103.50.350.880.91.00.10.2
VNA1□□□-8A1/45.90.241.51.51.7
VNA1□□□-10A3/87.90.161.91.82.1
VNA2□□□-10A15160.353.83.94.50.30.4
VNA2□□□-15A1/2230.254.84.65.4
VNA3□□□-20A3/420340.167.57.58.70.50.6

*This product cannot be used for water.

ModelPiping Connection Port Diameter
Thread		Orifice Diameter
ø(mm)		Flow Rate CharacteristicsWeight (kg)
Measured with AirMeasured with WaterAir Operated TypeExternal Pilot Solenoid Type
Effective Area
(mm2)		KvConversion Cv
VNA4□□□-25A12522010.4120.80.9
VNA5□□□-32A1 1/43232015.6181.31.4
VNA6□□□-40A1 1/24050024.2282.12.2
VNA7□□□-50A25077037.2433.13.2

Pilot Solenoid Valve Specifications

Piping Connection Port Diameter6A to 25A32 A to 50 A
Pilot Solenoid ValveSF4-□□□-23
SF4-□D-23-Q
SF4-□DZ-23-Q		VO307-□□□1
VO307-□D1-Q
VO307-□DZ1-Q
Electrical EntryGrommet, grommet terminal
Conduit terminal
DIN Terminal		Grommet, DIN terminal
Coil Rated Voltage (V)AC (50/60 Hz)100 V, 200 V, other (semi-standard)
DC24 V, other (semi-standard)
Allowable Voltage Fluctuation-15 to +10% of rated voltage
Temperature rise value35°C or less (when rated voltage is applied)50℃ or less (when rated voltage is applied)
Apparent PowerACInrush5.6 VA (50 Hz), 5.0 VA (60 Hz)12.7 VA (50 Hz), 10.7 VA (60 Hz)
Holding3.4 VA (50 Hz), 2.3 VA (60 Hz)7.6 VA (50 Hz), 5.4 VA (60 Hz)
Power ConsumptionDC1.8 W (without indicator light), 2 W (with indicator light)4 W (without indicator light), 4.2 W (with indicator light)
Manual OperationNon-locking push type
Other (semi-standard)		Non-locking push type

*See catalog for information on ordering pilot solenoid valves.

Diagram

VNA Series diagram

VNA Series diagram

Component Parts

NumberPart NameMaterialNotes
1BodyAluminum alloyPlatinum silver coated
2Cover AssemblyAluminum alloyPlatinum silver coated
*3Plate AssemblyAluminum alloySeal material (NBR, FKM, EPR)
*4Valve ElementAluminum alloySeal materials (NBR, FKM, EPR)
5Piston AssemblyAluminum alloy-
6Travel SpringStainless steel-
7Return SpringPiano wire-
8Pilot Solenoid Valve--

*Parts 3 and 4 are for selection of valve composition.

Operating Principle

For VNA□01□, □11□ (N.C. Type)

  • When pilot solenoid valve 8 is not energized (or when air is exhausted from 12 (P1) port of the air operated type), valve 4 linked to piston 5 is closed via the action of the return spring 7.

For Opening the Valve

  • When the pilot solenoid valve is energized (or when pressurized air enters through port 12 (P1) of the air operated type), the pilot air that has entered under the piston moves upward, opening the valve.

For Closing the Valve

  • When the power to the pilot solenoid valve is cut (or when fluid is exhausted from port 12 (P1) of the air operated type), the pilot air under the piston is exhausted and the valve closed via the action of the return spring.

For VNA□02□, □12□ (N.C. Type)

  • In contrast for the N.C. type, when the power to the pilot solenoid valve is shut off (or when air is exhausted from port 10 (P2) of the air operated type), unenergized, the valve is held open via the return spring. When the pilot solenoid valve is energized (or when pressurized air enters through port 10 (P2) of the air operated type), the valve closes.

VNA□03□ (C.O. Type)

  • The valve of the C.O. type, which has no return spring, is in an arbitrary position when air is exhausted through ports 12 (P1) and 10 (P2). When pressurized air enters port 12 (P1) (exhaust from port 10 [P2]), the valve opens. The valve closes when pressurized air enters port 10 (P2) (exhaust from port 12 [P1]).

Drawing

 

(Units: mm)

 

Piping connection port diameter: 6A, 8A, 10A dimensional drawing

Piping connection port diameter: 6A, 8A, 10A dimensional drawing

*10 mm longer for EZ and TZ, and 17 mm longer for DZ.

  • VNA1□□□-6A main port 1 (A), 2 (B): 1/8
  • VNA1□□□-8A main port 1 (A), 2 (B): 1/4
  • VNA1□□□-10A main port 1 (A), 2 (B): 3/8

 

(Units: mm)

 

Piping connection port diameter: 10A, 15A, 20A, 25A dimensional drawing

Piping connection port diameter: 10A, 15A, 20A, 25A dimensional drawing

*10 mm longer for EZ and TZ, and 17 mm longer for DZ.

 

(Units: mm)

 

ModelMain Port
1 (A), 2 (B)		ABCDEFGHIJKLMNPQRSTU
VNA2□□□-10A3/86342291472.580.5758084.5124125.5144.552264.524.32.3253455
VNA2□□□-15A1/2
VNA3□□□-20A3/480503517.58492848993.5135.513715662315.528.32.3304360.5
VNA4□□□-25A190604020100108909599.5151.515317272366.533.32.3354973

 

(Units: mm)

 

Piping connection port diameter: 32A, 40A, 50A dimensional drawing

Piping connection port diameter: 32A, 40A, 50A dimensional drawing

 

(Units: mm)

 

ModelMain Port
1 (A), 2 (B)		Pilot Port
12 (P1), 10 (P2)		ABCDEFGHIJ
VNA5□□□-32A1 1/41/8105775326.5120.520129.5170.1211.555
VNA6□□□-40A1 1/21/412096603013724147187.622963
VNA7□□□-50A21/4140113743716024170210.625274

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

30
45
60
  1. 1
Part Number
VNA411A-25A-1TZ-B
Part NumberStandard Unit PriceMinimum order quantityVolume DiscountDays to ShipType Applicable Fluid Switching Type Connection Type Plumbing Thread Nominal Driving Type Orifice Dia.
(Ø) 		Operating Temperature Range
(°C) 		Number of Solenoids Voltage Sealing materials Bracket Functions CE compliant Lead wire electrical entry Manual operation type

MYR 1,300.03

1 Piece(s) 21 Day(s) Electromagnetic TypeAir / Oil / GasNormally Closed[Rc (R)] Rc1Pilot Type25-5～50Single Solenoid100 V AC 50/60 HzNBRIncludedNone-Conduit terminal with light and surge voltage suppressorNon-locking, push type

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  1. 1
 

Basic Information

Operating Environment Standard Body Material Aluminum Application Single Item

Please check the type/dimensions/specifications of the part VNA411A-25A-1TZ-B in the Process Valve, 2 Port Valve For Compressed Air And Air-Hydro Circuit Control VNA Series series.

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Specification/Dimensions

  • Applicable Fluid

    • Air
    • Oil
    • Gas

    Clear

  • CE compliant

    • CE-compliant product
    • Not compatible

    Clear

  • type

    • VNA1□
    • VNA2□
    • VNA3□
    • VNA4□
    • VNA5□
    • VNA6□
    • VNA7□
    • VNA□0□
    • VNA□1□

    Clear

  • Type

    • Electromagnetic Type
    • Air Operating Type

    Clear

  • Switching Type

    • Normally Closed
    • Normally Open
    • Others
      • Double acting

    Clear

  • Connection Type

    • Rc (R)
      • Rc
    • G
    • NPT
    • NPTF

    Clear

  • Plumbing Thread Nominal

    • 1/8
    • 1/4
    • 3/8
    • 1/2
    • 3/4
    • 1
    • 1 1/4
    • 1 1/2
    • 2

    Clear

  • Driving Type

    • Pilot Type

    Clear

  • Orifice Dia.(Ø)

    • 10
    • 15
    • 20
    • 25
    • 32
    • 40
    • 50

    Clear

  • Voltage

    • 12 V DC
    • 24 V DC
    • 100 V AC 50/60 Hz
    • 110 V AC 50/60 Hz
    • 200 V AC 50/60 Hz
    • 220 V AC 50/60 Hz

    Clear

  • Sealing materials

    • EPR
    • FKM
    • NBR

    Clear

  • Bracket

    • Included
    • None

    Clear

  • Functions

    • CE compliant product
    • None

    Clear

  • Lead wire electrical entry

    • Conduit terminal
    • Conduit terminal with light and surge voltage suppressor
    • DIN terminal
    • DIN terminal with light and surge voltage suppressor
    • Grommet
    • Grommet terminal
    • Grommet terminal with light and surge voltage suppressor
    • Grommet with surge voltage suppressor
    • None

    Clear

  • Manual operation type

    • Locking type B (Tool required)
    • Locking type B (tool required)
    • Non-locking, push type
    • Non-locking, push type A (projecting)

    Clear

  • CAD

    • 2D
    • 3D

    Clear

Days to Ship

    • All
    • 21 Day(s) or Less
    • 23 Day(s) or Less

    Clear

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