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High Purity Chemical Liquid Valve, Air Operated Threaded Type LVA Series

High Purity Chemical Liquid Valve, Air Operated Threaded Type LVA Series

SMC

SMC

An air operated valve made by SMC.
[Features]
· Guide ring prevents internal leakage
· Diaphragm (PTFE) prevents formation of micro-bubbles
· Prevents residual liquid
· Body with outstanding corrosion resistance (New PFA)

(i)Caution

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

PDF

Part Number

Configured Part Number is shown.

High Purity Chemical Liquid Valve, Air Operated Threaded Type LVA Series Specifications

LVA Series: basic type external appearance

LVA Series: basic type external appearance

LVA Series: LVA-Z (pilot port: 1/8) external appearance

LVA Series: LVA-Z (pilot port: 1/8) external appearance

LVA Series: flow rate adjustment equipped external appearance

LVA Series: flow rate adjustment equipped external appearance

ModelLVA10LVA20LVA30LVA40LVA50LVA60
Orifice Diameterø2 mmø4 mmø8 mmø12 mmø20 mmø22 mm
Piping Connection Port Diameter1/8, 1/41/8, 1/41/4, 3/83/8 / 1/21/2 / 3/41
Flow Rate CharacteristicsKv0.060.31.42.85.16.8
Cv0.070.351.73.368
Withstand Pressure (MPa)1
Operating Pressure
(MPa)		A → B0 to 0.5(-94 kPa)*3 0 to 0.5(-94 kPa)*3 0 to 0.4
B → A0 to 0.05(-94kPa)*3 0 to 0.2(-94kPa)*3 0 to 0.1
Back Pressure (MPa)N.C./N.O*20.15 or less0.3 or less0.2 or less
Double Acting0.3 or less0.4 or less0.3 or less
Valve Leakage Rate (cm3/min)0 (with hydraulic pressure)
Pilot Operation Pressure (MPa)0.3 to 0.5
Pilot Port DiameterStandardM5M5*4Rc 1/8, NPT 1/8, G 1/8
-Z Type*5-Rc 1/8, NPT 1/8, G 1/8-
Fluid Temperature (°C)0 to 100*1
Ambient Temperature (°C)0 to 60
Weight (kg)SUS0.120.180.440.861.671.96
PPS0.050.080.180.320.73-
PFA0.050.090.200.350.780.90

*1: 0 to 60°C when diaphragm is NBR/EPDM.
*2: N.O. type not available for LVA10.
*3: If using with a vacuum, select products with a product number ending in -V. Cannot be used for vacuum retention. Moreover, using the B port side as the vacuum source may shorten the product lifespan.
*4: Applicable to LVC21 (N.O.) and LVC22 (double acting) types.
*5: Applicable to LVC20 (N.C.) -Z type.

Product Dimensions

Body material: SUS

LVA20 dimensional drawing

LVA20 dimensional drawing

LVA1□/LVA21/LVA22/LVA3□ to 6□ dimensional drawing

LVA1□/LVA21/LVA22/LVA3□ to 6□ dimensional drawing

 

(Units: mm)

 

ModelABCEFGHKLNOPQRT
LVA1□203349.510M5 × 0.8 × 427.511-1327.5-Rc 1/8, 1/4
NPT 1/8, 1/4
G 1/8, 1/4 *		M5 × 0.8ø4.2 mm-
LVA20303354.210M5× 0.8 × 531.5-222226.514.8Rc 1/8
NPT 1/8
G 1/8 *		ø2.4 mm20
LVA21
LVA22		30335710M5× 0.8 × 53113222226-M5 × 0.8M3 × 0.5-
LVA3□364778.613M6 × 1.0 × 842.517.5372638.5-Rc 1/4, 3/8
NPT 1/4, 3/8
G 1/4, 3/8*		Rc 1/8
NPT 1/8
G 1/8 *		Rc 1/8
NPT 1/8
G 1/8 *		-
LVA4□466095.416M8 × 1.25 × 1054.51847.533.547.5-Rc 3/8, 1/2
NPT 3/8, 1/2
G 3/8, 1/2*		-
LVA5□5875122.519M8 × 1.25 × 1061.527.5604355.5-Rc 1/2, 3/4
NPT 1/2, 3/4
G 1/2, 3/4*		-
LVA6□5885129.824M8 × 1.25 × 1068.827.5604362.8-Rc 1
NPT1
G1 *		-

*Refer to the SMC catalog regarding G thread / thread depth.

With flow rate adjustment: LVA20 dimensional drawing

With flow rate adjustment: LVA20 dimensional drawing

  • LVA2□: S / 14.5 mm
  • LVA3□: S / 24.4 mm
  • LVA4□: S / 29 mm
  • LVA5□: S / 34.5 mm
  • LVA6□: S / 36 mm
With indicator: LVA20 dimensional drawing

With indicator: LVA20 dimensional drawing

  • LVA20: W / 63.7 mm
  • LVA30: W / 89.1 mm
  • LVA40: W / 109.9 mm
  • LVA50: W / 140.5 mm
  • LVA60: W / 147.8 mm

Product Diagram

Standard type: N.C. type diagram

Standard type: N.C. type diagram

With flow rate adjustment type diagram

With flow rate adjustment type diagram

With indicator type diagram

With indicator type diagram

NumberPart NameMaterialOption
1Actuator SectionPPSPVDF
2BodySUS-
PPS
PFA
3DiaphragmPTFE-
NBR
EPR
4End Plate (PFA Body only)PPSPVDF
5Flow Rate AdjusterPPS-
6IndicatorPP-

Precautions

  • *Do not use metal fittings with a resin body (taper threads). This will cause damage to the valve body.
  • *Do not use if air leakage increases or the equipment does not operate correctly. After mounting, perform suitable function and leak tests to confirm that the mounting is correct.
  • *Mount and use the product only after reading and understanding the contents of the instruction manual. Be sure to keep the manual somewhere handy so that it can be referred to whenever needed.
  • *Be sure to read the individual product precautions before use.
  • *See the SMC catalog for product information other than the above.
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Part Number
LVA10-02-A
LVA10-02-B
LVA10-02-D
LVA10-02-E
LVA10-02-G
LVA10-02-H
LVA10-02F-A
LVA10-02N-A
LVA10-02N-B
LVA12-02-A
LVA12-02-B
LVA20-02-A1-V-Z
LVA20-02-A1-Z
LVA20-02-A4-Z
LVA20-02-A-V-Z
LVA20-02-A-Z
LVA20-02-B1-V-Z
LVA20-02-B1-Z
LVA20-02-B-V-Z
LVA20-02-B-Z
LVA20-02-C1-V-Z
LVA20-02-C1-Z
LVA20-02-C4-Z
LVA20-02-C-V-Z
LVA20-02-C-Z
LVA20-02-N1-Z
LVA20-02-N4-Z
LVA20-02-N-Z
LVA20-02F-A1-Z
LVA20-02F-A-Z
LVA20-02F-B1-Z
LVA20-02F-B-Z
LVA20-02F-C1-Z
LVA20-02F-C4-Z
LVA20-02F-C-V-Z
LVA20-02F-C-Z
LVA20-02N-A1-V-Z
LVA20-02N-A1-Z
LVA20-02N-A4-Z
LVA20-02N-A-V-Z
LVA20-02N-A-Z
LVA20-02N-B1-V-Z
LVA20-02N-B1-Z
LVA20-02N-B4-Z
LVA20-02N-B-V-Z
LVA20-02N-B-Z
LVA20-02N-C1-Z
LVA20-02N-C4-Z
LVA20-02N-C-V-Z
LVA20-02N-C-Z
LVA21-02-A
LVA21-02-A-V
LVA21-02-B
LVA21-02-B-V
LVA21-02-C
LVA21-02-C-V
LVA21-02-D
LVA21-02-E
LVA21-02-G
LVA21-02-H
Part NumberStandard Unit PriceMinimum order quantityVolume DiscountDays to ShipApplicable Fluid Operating Environment Switching Type Connection Type Plumbing Thread Nominal Driving Type Orifice Dia.
(Ø) 		Option Body material Detailed type Functions Pilot port thread type Diaphragm Specifications End plate material

SGD 318.73

1 Piece(s) Quote ChemicalStandardNormally Closed[Rc (R)] Rc1/4Pilot Type2NoneSUSNone-M5PTFE--

-

1 Piece(s) Quote ChemicalStandardNormally Closed[Rc (R)] Rc1/4Pilot Type2NonePPSNone-M5PTFE--

-

1 Piece(s) Quote ChemicalStandardNormally Closed[Rc (R)] Rc1/4Pilot Type2NoneSUSNone-M5NBR--

-

1 Piece(s) Quote ChemicalStandardNormally Closed[Rc (R)] Rc1/4Pilot Type2NoneSUSNone-M5EPDM--

-

1 Piece(s) Quote ChemicalStandardNormally Closed[Rc (R)] Rc1/4Pilot Type2NonePPSNone-M5NBR--

-

1 Piece(s) Quote ChemicalStandardNormally Closed[Rc (R)] Rc1/4Pilot Type2NonePPSNone-M5EPDM--

SGD 318.73

1 Piece(s) Quote ChemicalStandardNormally ClosedG1/4Pilot Type2NoneSUSNone-M5PTFE--

-

1 Piece(s) Quote ChemicalStandardNormally ClosedNPT1/4Pilot Type2NoneSUSNone-M5PTFE--

-

1 Piece(s) Quote ChemicalStandardNormally ClosedNPT1/4Pilot Type2NonePPSNone-M5PTFE--

SGD 318.73

1 Piece(s) Quote ChemicalStandard[Others] Double acting[Rc (R)] Rc1/4Pilot Type2NoneSUSNone-M5PTFE--

-

1 Piece(s) Quote ChemicalStandard[Others] Double acting[Rc (R)] Rc1/4Pilot Type2NonePPSNone-M5PTFE--

-

1 Piece(s) Quote Vacuum / ChemicalStandardNormally Closed[Rc (R)] Rc1/4Pilot Type4With flow rate adjustmentSUSVacuum specification-Rc 1/8PTFE--

SGD 532.23

1 Piece(s) Quote ChemicalStandardNormally Closed[Rc (R)] Rc1/4Pilot Type4With flow rate adjustmentSUSNone-Rc 1/8PTFE--

-

1 Piece(s) Quote ChemicalStandardNormally Closed[Rc (R)] Rc1/4Pilot Type4With indicatorSUSNone-Rc 1/8PTFE--

SGD 506.68

1 Piece(s) Quote Vacuum / ChemicalStandardNormally Closed[Rc (R)] Rc1/4Pilot Type4NoneSUSVacuum specification-Rc 1/8PTFE--

SGD 465.27

1 Piece(s) Quote ChemicalStandardNormally Closed[Rc (R)] Rc1/4Pilot Type4NoneSUSNone-Rc 1/8PTFE--

SGD 296.33

1 Piece(s) Quote Vacuum / ChemicalStandardNormally Closed[Rc (R)] Rc1/4Pilot Type4With flow rate adjustmentPPSVacuum specification-Rc 1/8PTFE--

SGD 254.92

1 Piece(s) Quote ChemicalStandardNormally Closed[Rc (R)] Rc1/4Pilot Type4With flow rate adjustmentPPSNone-Rc 1/8PTFE--

-

1 Piece(s) Quote Vacuum / ChemicalStandardNormally Closed[Rc (R)] Rc1/4Pilot Type4NonePPSVacuum specification-Rc 1/8PTFE--

SGD 188.07

1 Piece(s) Quote ChemicalStandardNormally Closed[Rc (R)] Rc1/4Pilot Type4NonePPSNone-Rc 1/8PTFE--

SGD 407.87

1 Piece(s) Quote Vacuum / ChemicalStandardNormally Closed[Rc (R)] Rc1/4Pilot Type4With flow rate adjustmentPFAVacuum specification-Rc 1/8PTFE--

SGD 366.45

1 Piece(s) Quote ChemicalStandardNormally Closed[Rc (R)] Rc1/4Pilot Type4With flow rate adjustmentPFANone-Rc 1/8PTFE--

SGD 320.25

1 Piece(s) Quote ChemicalStandardNormally Closed[Rc (R)] Rc1/4Pilot Type4With indicatorPFANone-Rc 1/8PTFE--

SGD 341.02

1 Piece(s) Quote Vacuum / ChemicalStandardNormally Closed[Rc (R)] Rc1/4Pilot Type4NonePFAVacuum specification-Rc 1/8PTFE--

SGD 299.60

1 Piece(s) Quote ChemicalStandardNormally Closed[Rc (R)] Rc1/4Pilot Type4NonePFANone-Rc 1/8PTFE--

-

1 Piece(s) Quote ChemicalStandardNormally Closed[Rc (R)] Rc1/4Pilot Type4With flow rate adjustmentPFANoneAmmonium hydroxide compatibleRc 1/8PTFE--

-

1 Piece(s) Quote ChemicalStandardNormally Closed[Rc (R)] Rc1/4Pilot Type4With indicatorPFANoneAmmonium hydroxide compatibleRc 1/8PTFE--

-

1 Piece(s) Quote ChemicalStandardNormally Closed[Rc (R)] Rc1/4Pilot Type4NonePFANoneAmmonium hydroxide compatibleRc 1/8PTFE--

-

1 Piece(s) Quote ChemicalStandardNormally ClosedG1/4Pilot Type4With flow rate adjustmentSUSNone-G 1/8PTFE--

-

1 Piece(s) Quote ChemicalStandardNormally ClosedG1/4Pilot Type4NoneSUSNone-G 1/8PTFE--

-

1 Piece(s) Quote ChemicalStandardNormally ClosedG1/4Pilot Type4With flow rate adjustmentPPSNone-G 1/8PTFE--

SGD 188.07

1 Piece(s) Quote ChemicalStandardNormally ClosedG1/4Pilot Type4NonePPSNone-G 1/8PTFE--

-

1 Piece(s) Quote ChemicalStandardNormally ClosedG1/4Pilot Type4With flow rate adjustmentPFANone-G 1/8PTFE--

SGD 320.25

1 Piece(s) Quote ChemicalStandardNormally ClosedG1/4Pilot Type4With indicatorPFANone-G 1/8PTFE--

-

1 Piece(s) Quote Vacuum / ChemicalStandardNormally ClosedG1/4Pilot Type4NonePFAVacuum specification-G 1/8PTFE--

SGD 299.60

1 Piece(s) Quote ChemicalStandardNormally ClosedG1/4Pilot Type4NonePFANone-G 1/8PTFE--

-

1 Piece(s) Quote Vacuum / ChemicalStandardNormally ClosedNPT1/4Pilot Type4With flow rate adjustmentSUSVacuum specification-NPT 1/8PTFE--

-

1 Piece(s) Quote ChemicalStandardNormally ClosedNPT1/4Pilot Type4With flow rate adjustmentSUSNone-NPT 1/8PTFE--

-

1 Piece(s) Quote ChemicalStandardNormally ClosedNPT1/4Pilot Type4With indicatorSUSNone-NPT 1/8PTFE--

SGD 506.68

1 Piece(s) Quote Vacuum / ChemicalStandardNormally ClosedNPT1/4Pilot Type4NoneSUSVacuum specification-NPT 1/8PTFE--

SGD 465.27

1 Piece(s) Quote ChemicalStandardNormally ClosedNPT1/4Pilot Type4NoneSUSNone-NPT 1/8PTFE--

-

1 Piece(s) Quote Vacuum / ChemicalStandardNormally ClosedNPT1/4Pilot Type4With flow rate adjustmentPPSVacuum specification-NPT 1/8PTFE--

SGD 254.92

1 Piece(s) Quote ChemicalStandardNormally ClosedNPT1/4Pilot Type4With flow rate adjustmentPPSNone-NPT 1/8PTFE--

SGD 208.72

1 Piece(s) Quote ChemicalStandardNormally ClosedNPT1/4Pilot Type4With indicatorPPSNone-NPT 1/8PTFE--

-

1 Piece(s) Quote Vacuum / ChemicalStandardNormally ClosedNPT1/4Pilot Type4NonePPSVacuum specification-NPT 1/8PTFE--

-

1 Piece(s) Quote ChemicalStandardNormally ClosedNPT1/4Pilot Type4NonePPSNone-NPT 1/8PTFE--

SGD 366.45

1 Piece(s) Quote ChemicalStandardNormally ClosedNPT1/4Pilot Type4With flow rate adjustmentPFANone-NPT 1/8PTFE--

-

1 Piece(s) Quote ChemicalStandardNormally ClosedNPT1/4Pilot Type4With indicatorPFANone-NPT 1/8PTFE--

SGD 341.02

1 Piece(s) Quote Vacuum / ChemicalStandardNormally ClosedNPT1/4Pilot Type4NonePFAVacuum specification-NPT 1/8PTFE--

SGD 299.60

1 Piece(s) Quote ChemicalStandardNormally ClosedNPT1/4Pilot Type4NonePFANone-NPT 1/8PTFE--

SGD 465.27

1 Piece(s) Quote ChemicalStandardNormally Open[Rc (R)] Rc1/4Pilot Type4NoneSUSNone-M5PTFE--

SGD 506.68

1 Piece(s) Quote Vacuum / ChemicalStandardNormally Open[Rc (R)] Rc1/4Pilot Type4NoneSUSVacuum specification-M5PTFE--

SGD 188.07

1 Piece(s) Quote ChemicalStandardNormally Open[Rc (R)] Rc1/4Pilot Type4NonePPSNone-M5PTFE--

-

1 Piece(s) Quote Vacuum / ChemicalStandardNormally Open[Rc (R)] Rc1/4Pilot Type4NonePPSVacuum specification-M5PTFE--

SGD 299.60

1 Piece(s) Quote ChemicalStandardNormally Open[Rc (R)] Rc1/4Pilot Type4NonePFANone-M5PTFE--

-

1 Piece(s) Quote Vacuum / ChemicalStandardNormally Open[Rc (R)] Rc1/4Pilot Type4NonePFAVacuum specification-M5PTFE--

-

1 Piece(s) Quote ChemicalStandardNormally Open[Rc (R)] Rc1/4Pilot Type4NoneSUSNone-M5NBR--

-

1 Piece(s) Quote ChemicalStandardNormally Open[Rc (R)] Rc1/4Pilot Type4NoneSUSNone-M5EPDM--

-

1 Piece(s) Quote ChemicalStandardNormally Open[Rc (R)] Rc1/4Pilot Type4NonePPSNone-M5NBR--

-

1 Piece(s) Quote ChemicalStandardNormally Open[Rc (R)] Rc1/4Pilot Type4NonePPSNone-M5EPDM--

Loading...

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Basic Information

Type Air Operating Type Operating Temperature Range(°C) 0::60 Number of Solenoids Single Solenoid
Operating Pressure Differential Range(MPa) 0.3::0.5 Application Single Item

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132 Part Numbers

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Specification/Dimensions

  • Applicable Fluid

    • Vacuum
    • Chemical

    Clear

  • Operating Environment

    • Standard
    • High Corrosion Resistance

    Clear

  • Switching Type

    • Normally Closed
    • Normally Open
    • Others
      • Double acting

    Clear

  • Connection Type

    • Rc (R)
      • Rc
    • G
    • NPT

    Clear

  • Driving Type

    • Pilot Type

    Clear

  • Orifice Dia.(Ø)

    • 2
    • 4
    • 8
    • 12
    • 20
    • 22

    Clear

  • Option

    • None
    • With bypass
    • With flow rate adjustment
    • With flow rate adjustment and bypass
    • With indicator

    Clear

  • Body material

    • PFA
    • PPS
    • SUS

    Clear

  • Detailed type

    • None
    • Vacuum specification

    Clear

  • Functions

    • Ammonium hydroxide compatible
    • None

    Clear

  • Pilot port thread type

    • G 1/8
    • NPT 1/8
    • Rc 1/8
    • M5

    Clear

  • Diaphragm

    • EPDM
    • NBR
    • PTFE

    Clear

  • Specifications

    • None
    • Vacuum specification

    Clear

  • End plate material

    • None
    • PPS
    • PVDF

    Clear

  • type

    • LVA
    • LVA1□
    • LVA2□
    • LVA3□
    • LVA4□
    • LVA5□
    • LVA6□

    Clear

  • Plumbing Thread Nominal

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

    Clear

  • CAD

    • 2D
    • 3D

    Clear

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