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High Purity Chemical Liquid Valve, Air Operated Threaded Type LVA Series (Part Numbers)

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

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

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.
Part Number
LVA22-02-A
LVA22-02-A1
LVA22-02-A1-V
LVA22-02-B
LVA22-02-B1
LVA22-02-B-V
LVA22-02-C
LVA22-02-C1
LVA22-02-C-V
LVA22-02-D
LVA22-02-D1
LVA22-02-E
LVA22-02-G
LVA22-02-G1
LVA22-02-H
LVA22-02-H1
LVA22-02-N1
LVA22-02F-A
LVA22-02F-A1
LVA22-02F-C
LVA22-02F-C1
LVA22-02N-A1
LVA22-02N-B1
LVA22-02N-C
LVA22-02N-C1
LVA30-02-A
LVA30-02-A1
LVA30-02-A1-V
LVA30-02-A4
LVA30-02-A4-V
LVA30-02-D
LVA30-02-D1
LVA30-02-D4
LVA30-02-E
LVA30-02-E4
LVA30-02F-A
LVA30-02F-A1
LVA30-02F-A1-V
LVA30-02N-A
LVA30-02N-A1
LVA30-02N-A4
LVA30-02N-A-V
LVA30-02N-D
LVA30-03-A
LVA30-03-A1
LVA30-03-A1-V
LVA30-03-A4
LVA30-03-B
LVA30-03-B1
LVA30-03-B1-V
LVA30-03-B4
LVA30-03-B4-V
LVA30-03-B-V
LVA30-03-C
LVA30-03-C1
LVA30-03-C1-V
LVA30-03-C2
LVA30-03-C3
LVA30-03-C4
LVA30-03-D
LVA30-03-D1
LVA30-03-D4
LVA30-03-E
LVA30-03-E1
LVA30-03-E4
LVA30-03-G
LVA30-03-G1
LVA30-03-H
LVA30-03-H1
LVA30-03-N
LVA30-03-N1
LVA30-03-N3
LVA30-03-N4
LVA30-03-N-V
LVA30-03F-A1
LVA30-03F-B
LVA30-03F-B1
LVA30-03F-C1
LVA30-03F-H
LVA30-03F-N4
LVA30-03N-A
LVA30-03N-A1
LVA30-03N-A4
LVA30-03N-B
LVA30-03N-B1
LVA30-03N-B4
LVA30-03N-B-V
LVA30-03N-C
LVA30-03N-C1
LVA30-03N-C2
Part NumberMinimum 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
1 Piece(s) Quote ChemicalStandard[Others] Double acting[Rc (R)] Rc1/4Pilot Type4NoneSUSNone-M5PTFE--
1 Piece(s) Quote ChemicalStandard[Others] Double acting[Rc (R)] Rc1/4Pilot Type4With flow rate adjustmentSUSNone-M5PTFE--
1 Piece(s) Quote Vacuum / ChemicalStandard[Others] Double acting[Rc (R)] Rc1/4Pilot Type4With flow rate adjustmentSUSVacuum specification-M5PTFE--
1 Piece(s) 31 Day(s) ChemicalStandard[Others] Double acting[Rc (R)] Rc1/4Pilot Type4NonePPSNone-M5PTFE--
1 Piece(s) Quote ChemicalStandard[Others] Double acting[Rc (R)] Rc1/4Pilot Type4With flow rate adjustmentPPSNone-M5PTFE--
1 Piece(s) Quote Vacuum / ChemicalStandard[Others] Double acting[Rc (R)] Rc1/4Pilot Type4NonePPSVacuum specification-M5PTFE--
1 Piece(s) 20 Day(s) ChemicalStandard[Others] Double acting[Rc (R)] Rc1/4Pilot Type4NonePFANone-M5PTFE--
1 Piece(s) 20 Day(s) ChemicalStandard[Others] Double acting[Rc (R)] Rc1/4Pilot Type4With flow rate adjustmentPFANone-M5PTFE--
1 Piece(s) Quote Vacuum / ChemicalStandard[Others] Double acting[Rc (R)] Rc1/4Pilot Type4NonePFAVacuum specification-M5PTFE--
1 Piece(s) Quote ChemicalStandard[Others] Double acting[Rc (R)] Rc1/4Pilot Type4NoneSUSNone-M5NBR--
1 Piece(s) Quote ChemicalStandard[Others] Double acting[Rc (R)] Rc1/4Pilot Type4With flow rate adjustmentSUSNone-M5NBR--
1 Piece(s) Quote ChemicalStandard[Others] Double acting[Rc (R)] Rc1/4Pilot Type4NoneSUSNone-M5EPDM--
1 Piece(s) Quote ChemicalStandard[Others] Double acting[Rc (R)] Rc1/4Pilot Type4NonePPSNone-M5NBR--
1 Piece(s) Quote ChemicalStandard[Others] Double acting[Rc (R)] Rc1/4Pilot Type4With flow rate adjustmentPPSNone-M5NBR--
1 Piece(s) Quote ChemicalStandard[Others] Double acting[Rc (R)] Rc1/4Pilot Type4NonePPSNone-M5EPDM--
1 Piece(s) Quote ChemicalStandard[Others] Double acting[Rc (R)] Rc1/4Pilot Type4With flow rate adjustmentPPSNone-M5EPDM--
1 Piece(s) Quote ChemicalStandard[Others] Double acting[Rc (R)] Rc1/4Pilot Type4With flow rate adjustmentPFANoneAmmonium hydroxide compatibleM5PTFE--
1 Piece(s) Quote ChemicalStandard[Others] Double actingG1/4Pilot Type4NoneSUSNone-M5PTFE--
1 Piece(s) Quote ChemicalStandard[Others] Double actingG1/4Pilot Type4With flow rate adjustmentSUSNone-M5PTFE--
1 Piece(s) Quote ChemicalStandard[Others] Double actingG1/4Pilot Type4NonePFANone-M5PTFE--
1 Piece(s) Quote ChemicalStandard[Others] Double actingG1/4Pilot Type4With flow rate adjustmentPFANone-M5PTFE--
1 Piece(s) Quote ChemicalStandard[Others] Double actingNPT1/4Pilot Type4With flow rate adjustmentSUSNone-M5PTFE--
1 Piece(s) Quote ChemicalStandard[Others] Double actingNPT1/4Pilot Type4With flow rate adjustmentPPSNone-M5PTFE--
1 Piece(s) 20 Day(s) ChemicalStandard[Others] Double actingNPT1/4Pilot Type4NonePFANone-M5PTFE--
1 Piece(s) Quote ChemicalStandard[Others] Double actingNPT1/4Pilot Type4With flow rate adjustmentPFANone-M5PTFE--
1 Piece(s) Quote ChemicalStandardNormally Closed[Rc (R)] Rc1/4Pilot Type8NoneSUSNone-Rc 1/8PTFE--
1 Piece(s) 20 Day(s) ChemicalStandardNormally Closed[Rc (R)] Rc1/4Pilot Type8With flow rate adjustmentSUSNone-Rc 1/8PTFE--
1 Piece(s) Quote Vacuum / ChemicalStandardNormally Closed[Rc (R)] Rc1/4Pilot Type8With flow rate adjustmentSUSVacuum specification-Rc 1/8PTFE--
1 Piece(s) Quote ChemicalStandardNormally Closed[Rc (R)] Rc1/4Pilot Type8With indicatorSUSNone-Rc 1/8PTFE--
1 Piece(s) Quote Vacuum / ChemicalStandardNormally Closed[Rc (R)] Rc1/4Pilot Type8With indicatorSUSVacuum specification-Rc 1/8PTFE--
1 Piece(s) 31 Day(s) ChemicalStandardNormally Closed[Rc (R)] Rc1/4Pilot Type8NoneSUSNone-Rc 1/8NBR--
1 Piece(s) Quote ChemicalStandardNormally Closed[Rc (R)] Rc1/4Pilot Type8With flow rate adjustmentSUSNone-Rc 1/8NBR--
1 Piece(s) Quote ChemicalStandardNormally Closed[Rc (R)] Rc1/4Pilot Type8With indicatorSUSNone-Rc 1/8NBR--
1 Piece(s) Quote ChemicalStandardNormally Closed[Rc (R)] Rc1/4Pilot Type8NoneSUSNone-Rc 1/8EPDM--
1 Piece(s) Quote ChemicalStandardNormally Closed[Rc (R)] Rc1/4Pilot Type8With indicatorSUSNone-Rc 1/8EPDM--
1 Piece(s) Quote ChemicalStandardNormally ClosedG1/4Pilot Type8NoneSUSNone-G 1/8PTFE--
1 Piece(s) Quote ChemicalStandardNormally ClosedG1/4Pilot Type8With flow rate adjustmentSUSNone-G 1/8PTFE--
1 Piece(s) Quote Vacuum / ChemicalStandardNormally ClosedG1/4Pilot Type8With flow rate adjustmentSUSVacuum specification-G 1/8PTFE--
1 Piece(s) Quote ChemicalStandardNormally ClosedNPT1/4Pilot Type8NoneSUSNone-NPT 1/8PTFE--
1 Piece(s) Quote ChemicalStandardNormally ClosedNPT1/4Pilot Type8With flow rate adjustmentSUSNone-NPT 1/8PTFE--
1 Piece(s) Quote ChemicalStandardNormally ClosedNPT1/4Pilot Type8With indicatorSUSNone-NPT 1/8PTFE--
1 Piece(s) Quote Vacuum / ChemicalStandardNormally ClosedNPT1/4Pilot Type8NoneSUSVacuum specification-NPT 1/8PTFE--
1 Piece(s) Quote ChemicalStandardNormally ClosedNPT1/4Pilot Type8NoneSUSNone-NPT 1/8NBR--
1 Piece(s) 20 Day(s) ChemicalStandardNormally Closed[Rc (R)] Rc3/8Pilot Type8NoneSUSNone-Rc 1/8PTFE--
1 Piece(s) 20 Day(s) ChemicalStandardNormally Closed[Rc (R)] Rc3/8Pilot Type8With flow rate adjustmentSUSNone-Rc 1/8PTFE--
1 Piece(s) Quote Vacuum / ChemicalStandardNormally Closed[Rc (R)] Rc3/8Pilot Type8With flow rate adjustmentSUSVacuum specification-Rc 1/8PTFE--
1 Piece(s) Quote ChemicalStandardNormally Closed[Rc (R)] Rc3/8Pilot Type8With indicatorSUSNone-Rc 1/8PTFE--
1 Piece(s) 31 Day(s) ChemicalStandardNormally Closed[Rc (R)] Rc3/8Pilot Type8NonePPSNone-Rc 1/8PTFE--
1 Piece(s) 20 Day(s) ChemicalStandardNormally Closed[Rc (R)] Rc3/8Pilot Type8With flow rate adjustmentPPSNone-Rc 1/8PTFE--
1 Piece(s) Quote Vacuum / ChemicalStandardNormally Closed[Rc (R)] Rc3/8Pilot Type8With flow rate adjustmentPPSVacuum specification-Rc 1/8PTFE--
1 Piece(s) 31 Day(s) ChemicalStandardNormally Closed[Rc (R)] Rc3/8Pilot Type8With indicatorPPSNone-Rc 1/8PTFE--
1 Piece(s) Quote Vacuum / ChemicalStandardNormally Closed[Rc (R)] Rc3/8Pilot Type8With indicatorPPSVacuum specification-Rc 1/8PTFE--
1 Piece(s) Quote Vacuum / ChemicalStandardNormally Closed[Rc (R)] Rc3/8Pilot Type8NonePPSVacuum specification-Rc 1/8PTFE--
1 Piece(s) 31 Day(s) ChemicalStandardNormally Closed[Rc (R)] Rc3/8Pilot Type8NonePFANone-Rc 1/8PTFE--
1 Piece(s) 31 Day(s) ChemicalStandardNormally Closed[Rc (R)] Rc3/8Pilot Type8With flow rate adjustmentPFANone-Rc 1/8PTFE--
1 Piece(s) Quote Vacuum / ChemicalStandardNormally Closed[Rc (R)] Rc3/8Pilot Type8With flow rate adjustmentPFAVacuum specification-Rc 1/8PTFE--
1 Piece(s) Quote ChemicalStandardNormally Closed[Rc (R)] Rc3/8Pilot Type8With bypassPFANone-Rc 1/8PTFE--
1 Piece(s) Quote ChemicalStandardNormally Closed[Rc (R)] Rc3/8Pilot Type8With flow rate adjustment and bypassPFANone-Rc 1/8PTFE--
1 Piece(s) 31 Day(s) ChemicalStandardNormally Closed[Rc (R)] Rc3/8Pilot Type8With indicatorPFANone-Rc 1/8PTFE--
1 Piece(s) 31 Day(s) ChemicalStandardNormally Closed[Rc (R)] Rc3/8Pilot Type8NoneSUSNone-Rc 1/8NBR--
1 Piece(s) 31 Day(s) ChemicalStandardNormally Closed[Rc (R)] Rc3/8Pilot Type8With flow rate adjustmentSUSNone-Rc 1/8NBR--
1 Piece(s) Quote ChemicalStandardNormally Closed[Rc (R)] Rc3/8Pilot Type8With indicatorSUSNone-Rc 1/8NBR--
1 Piece(s) Quote ChemicalStandardNormally Closed[Rc (R)] Rc3/8Pilot Type8NoneSUSNone-Rc 1/8EPDM--
1 Piece(s) Quote ChemicalStandardNormally Closed[Rc (R)] Rc3/8Pilot Type8With flow rate adjustmentSUSNone-Rc 1/8EPDM--
1 Piece(s) Quote ChemicalStandardNormally Closed[Rc (R)] Rc3/8Pilot Type8With indicatorSUSNone-Rc 1/8EPDM--
1 Piece(s) Quote ChemicalStandardNormally Closed[Rc (R)] Rc3/8Pilot Type8NonePPSNone-Rc 1/8NBR--
1 Piece(s) Quote ChemicalStandardNormally Closed[Rc (R)] Rc3/8Pilot Type8With flow rate adjustmentPPSNone-Rc 1/8NBR--
1 Piece(s) Quote ChemicalStandardNormally Closed[Rc (R)] Rc3/8Pilot Type8NonePPSNone-Rc 1/8EPDM--
1 Piece(s) Quote ChemicalStandardNormally Closed[Rc (R)] Rc3/8Pilot Type8With flow rate adjustmentPPSNone-Rc 1/8EPDM--
1 Piece(s) 31 Day(s) ChemicalStandardNormally Closed[Rc (R)] Rc3/8Pilot Type8NonePFANoneAmmonium hydroxide compatibleRc 1/8PTFE--
1 Piece(s) Quote ChemicalStandardNormally Closed[Rc (R)] Rc3/8Pilot Type8With flow rate adjustmentPFANoneAmmonium hydroxide compatibleRc 1/8PTFE--
1 Piece(s) Quote ChemicalStandardNormally Closed[Rc (R)] Rc3/8Pilot Type8With flow rate adjustment and bypassPFANoneAmmonium hydroxide compatibleRc 1/8PTFE--
1 Piece(s) Quote ChemicalStandardNormally Closed[Rc (R)] Rc3/8Pilot Type8With indicatorPFANoneAmmonium hydroxide compatibleRc 1/8PTFE--
1 Piece(s) Quote Vacuum / ChemicalStandardNormally Closed[Rc (R)] Rc3/8Pilot Type8NonePFAVacuum specificationAmmonium hydroxide compatibleRc 1/8PTFE--
1 Piece(s) Quote ChemicalStandardNormally ClosedG3/8Pilot Type8With flow rate adjustmentSUSNone-G 1/8PTFE--
1 Piece(s) Quote ChemicalStandardNormally ClosedG3/8Pilot Type8NonePPSNone-G 1/8PTFE--
1 Piece(s) Quote ChemicalStandardNormally ClosedG3/8Pilot Type8With flow rate adjustmentPPSNone-G 1/8PTFE--
1 Piece(s) Quote ChemicalStandardNormally ClosedG3/8Pilot Type8With flow rate adjustmentPFANone-G 1/8PTFE--
1 Piece(s) Quote ChemicalStandardNormally ClosedG3/8Pilot Type8NonePPSNone-G 1/8EPDM--
1 Piece(s) Quote ChemicalStandardNormally ClosedG3/8Pilot Type8With indicatorPFANoneAmmonium hydroxide compatibleG 1/8PTFE--
1 Piece(s) Quote ChemicalStandardNormally ClosedNPT3/8Pilot Type8NoneSUSNone-NPT 1/8PTFE--
1 Piece(s) Quote ChemicalStandardNormally ClosedNPT3/8Pilot Type8With flow rate adjustmentSUSNone-NPT 1/8PTFE--
1 Piece(s) Quote ChemicalStandardNormally ClosedNPT3/8Pilot Type8With indicatorSUSNone-NPT 1/8PTFE--
1 Piece(s) Quote ChemicalStandardNormally ClosedNPT3/8Pilot Type8NonePPSNone-NPT 1/8PTFE--
1 Piece(s) 20 Day(s) ChemicalStandardNormally ClosedNPT3/8Pilot Type8With flow rate adjustmentPPSNone-NPT 1/8PTFE--
1 Piece(s) Quote ChemicalStandardNormally ClosedNPT3/8Pilot Type8With indicatorPPSNone-NPT 1/8PTFE--
1 Piece(s) Quote Vacuum / ChemicalStandardNormally ClosedNPT3/8Pilot Type8NonePPSVacuum specification-NPT 1/8PTFE--
1 Piece(s) 31 Day(s) ChemicalStandardNormally ClosedNPT3/8Pilot Type8NonePFANone-NPT 1/8PTFE--
1 Piece(s) 31 Day(s) ChemicalStandardNormally ClosedNPT3/8Pilot Type8With flow rate adjustmentPFANone-NPT 1/8PTFE--
1 Piece(s) Quote ChemicalStandardNormally ClosedNPT3/8Pilot Type8With bypassPFANone-NPT 1/8PTFE--

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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

Tech Support

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