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Chemical Liquid Valve, Manually Operated Type LVH Series

Chemical Liquid Valve, Manually Operated Type LVH Series

SMC

SMC

A valve for use with chemical solutions. Includes a guide ring to prevent internal leakage.
[Features]
· Integrated fitting / screw-in threaded type.
· Compatible with locking and non-locking types.
· PTFE diaphragm that prevents the formation of micro-bubbles.
· With residual liquid prevention functionality.
· Body with outstanding corrosion resistance (new PFA).

(i)Caution

  • Webpages for products currently without individual pages on this site will be released on an ad-hoc basis.
  • Refer to the manufacturer's catalog for specification and material details.
  • Product images may be representative images. Refer to the manufacturer's catalog for shape details.​

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Part Number

Configured Part Number is shown.

Chemical Liquid Valve, Manually Operated, Integrated Fitting Type / Threaded Type LVH Series Specifications

LVH Series external appearance

LVH Series external appearance

Integrated fitting type external appearance

Integrated fitting type external appearance

Threaded type external appearance

Threaded type external appearance

Integrated Fitting Type Specifications

ModelLVH20LVH30LVH40
Tube Outer Diameter*1Metric Size61012
Inch Size1/43/81/2
Orifice Diameterø4 mmø8 mmø10 mm
Flow Rate CharacteristicsKv0.31.42.1
Cv0.351.72.5
Withstand Pressure (MPa)1
Operating Pressure
(MPa)		A → B0 to 0.5
B → A0 to 0.2
Back Pressure (MPa)0.3 or less
Valve Leakage Rate (cm3/min)0 (with hydraulic pressure)
Operating MethodToggle type (non-locking/locking)
Fluid Temperature (°C)0 to 60
Ambient Temperature (°C)0 to 60
Weight (kg)0.060.140.26

*1: See the SMC catalog for details regarding applicable tubing sizes.

Threaded Type Specifications

ModelLVH20LVH30LVH40
Piping Connection Port Diameter1/8, 1/41/4, 3/83/8 / 1/2
Orifice Diameterø4 mmø8 mmø12 mm
Flow Rate CharacteristicsKv0.31.42.1
Cv0.351.72.5
Withstand Pressure (MPa)1
Operating Pressure
(MPa)		A → B0 to 0.5
B → A0 to 0.2
Back Pressure (MPa)0.3 or less
Valve Leakage Rate (cm3/min)0 (with hydraulic pressure)
Operating MethodToggle type (non-locking/locking)
Fluid Temperature (°C)0 to 60
Ambient Temperature (°C)0 to 60
Weight (kg)SUS0.150.360.71
PPS0.040.090.17
PFA0.050.110.20

Different Diameter Tubing Applicable with Reducer

Different diameter tubing can be selected (within a body class) by using a nut and insert bushing (reducer).

Body
class		Tubing Outer Diameter
Metric SizeInch Size
346810121/83/161/43/81/2
2●●○---●●○--
3--●●○---●○-
4----●○---●○
  • *● With reducer
  • *Refer to SMC catalog for information on changing tubing sizes.

Product Dimensions

Integrated Fitting Type

Integrated fitting type dimensional drawing

Integrated fitting type dimensional drawing

 

(Units: mm)

 

ModelABCDEFGH1H2JKLMN
LVH20□3030524411791072.574420373.527
LVH30□364781.55616.5106191111137.534465.537.5
LVH40□46601006822.513120.5139143842575.550

Threaded Type

Body material: SUS dimensional drawing

Body material: SUS dimensional drawing

Body material: PPS dimensional drawing

Body material: PPS dimensional drawing

Body material: PFA dimensional drawing

Body material: PFA dimensional drawing

 

(Units: mm)

 

ModelBody MaterialABCDEFGH1H2JKLMNP
LVH20□SUS303354.5-10M5 × 0.8107576.5-2222-27Rc 1/8 and 1/4, NPT 1/8 and 1/4, G 1/8 and 1/4
LVH30□364781-13M6 × 119110.5112.5-3726-37Rc 1/4 and 3/8, NPT 1/4 and 3/8, G 1/4 and 3/8
LVH40□466099-16M8 × 1.2520.5138142-47.533.5-50Rc 3/8 and 1/2, NPT 3/8 and 1/2, G 3/8 and 1/2
LVH20□PPS3036554411-1075.577420373.527Rc 1/4, NPT 1/4, G 1/4
LVH30□3647805615-19109.5111.57.534465.537Rc 3/8, NPT 3/8, G 3/8
LVH40□466099.56822-20.5138.5142.5842575.550Rc 1/2, NPT 1/2, G 1/2
LVH20□PFA303658.54414.5-107980.5420373.527Rc 1/4, NPT 1/4, G 1/4
LVH30□3647845619-19113.5115.57.534465.537Rc 3/8, NPT 3/8, G 3/8
LVH40□466099.56822-20.5138.5142.5842575.550Rc 1/2, NPT 1/2, G 1/2

Product Diagram

Integrated fitting type diagram

Integrated fitting type diagram

Threaded type diagram

Threaded type diagram

With reducer diagram

With reducer diagram

NumberPart NameMaterialNotes
1Actuator SectionPP-
2BodyPFAIntegrated Fitting Type
SUSThreaded Type
PPS
PFA
3DiaphragmPTFE-
4End PlatePPSPFA body only
5Insert BushingPFA-
6NutPFA-
7LeverPP-
8CollarPFA-

Precautions

Piping / Integrated Fitting Type

  • *Use dedicated tools to connect tubing.
  • *Tighten the nut until it touches the end surface of the body, and then tighten it an additional 1/8 turn to ensure that the nut has reached the end surface. If the nut will not turn any further, then it is sufficiently tight. Refer to the proper tightening torques shown below.

Tightening Torque for Piping

  • Body class 2: 1.5 to 2 N·m
  • Body class 3: 3 to 3.5 N·m
  • Body class 4: 7.5 to 9 N·m

Piping and Threaded Type

  • *Do not use metal fittings with a resin body (taper threads). This will cause damage to the valve body.

Other

  • *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.
30
45
60
  1. 1
Part Number
LVH20-01-A
LVH20-02-A
LVH20-02-B
LVH20-02-C
LVH20L-01-A
LVH20L-02-A
LVH20L-02-B
LVH20L-02-C
LVH30-02-A
LVH30-03-A
LVH30-03-B
LVH30-03-C
LVH30L-02-A
LVH30L-03-A
LVH30L-03-B
LVH30L-03-C
LVH40-04-A
LVH40-04-B
LVH40L-03-A
LVH40L-04-A
LVH40L-04-B
Part NumberStandard Unit PriceMinimum order quantityVolume DiscountDays to ShipConnection Type Plumbing Thread Nominal Tube Dia. Orifice Dia.
(Ø) 		Body material Functions B port size

-

1 Piece(s) Quote [Rc (R)] Rc1/8-4SUSNon-locking type (self-reset)-

-

1 Piece(s) Quote [Rc (R)] Rc1/4-4SUSNon-locking type (self-reset)-

-

1 Piece(s) Quote [Rc (R)] Rc1/4-4PPSNon-locking type (self-reset)-

-

1 Piece(s) Quote [Rc (R)] Rc1/4-4PFANon-locking type (self-reset)-

SGD 484.87

1 Piece(s) Quote [Rc (R)] Rc1/8-4SUSLocking type-

SGD 484.87

1 Piece(s) Quote [Rc (R)] Rc1/4-4SUSLocking type-

-

1 Piece(s) Quote [Rc (R)] Rc1/4-4PPSLocking type-

SGD 318.97

1 Piece(s) Quote [Rc (R)] Rc1/4-4PFALocking type-

SGD 666.75

1 Piece(s) Quote [Rc (R)] Rc1/4-8SUSNon-locking type (self-reset)-

-

1 Piece(s) Quote [Rc (R)] Rc3/8-8SUSNon-locking type (self-reset)-

SGD 239.28

1 Piece(s) Quote [Rc (R)] Rc3/8-8PPSNon-locking type (self-reset)-

SGD 401.92

1 Piece(s) Quote [Rc (R)] Rc3/8-8PFANon-locking type (self-reset)-

SGD 666.75

1 Piece(s) Quote [Rc (R)] Rc1/4-8SUSLocking type-

SGD 666.75

1 Piece(s) Quote [Rc (R)] Rc3/8-8SUSLocking type-

-

1 Piece(s) Quote [Rc (R)] Rc3/8-8PPSLocking type-

SGD 401.92

1 Piece(s) Quote [Rc (R)] Rc3/8-8PFALocking type-

-

1 Piece(s) Quote [Rc (R)] Rc1/2-12SUSNon-locking type (self-reset)-

SGD 309.40

1 Piece(s) Quote [Rc (R)] Rc1/2-12PPSNon-locking type (self-reset)-

-

1 Piece(s) Quote [Rc (R)] Rc3/8-12SUSLocking type-

SGD 893.20

1 Piece(s) Quote [Rc (R)] Rc1/2-12SUSLocking type-

SGD 309.40

1 Piece(s) Quote [Rc (R)] Rc1/2-12PPSLocking type-

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  1. 1
 

Basic Information

Type Air Operating Type Applicable Fluid Chemical Operating Environment Standard
Switching Type Normally Closed Operating Temperature Range(°C) 0::60 Number of Solenoids Single Solenoid
Application Single Item Detailed type Manual operation type

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Specification/Dimensions

  • Plumbing Thread Nominal

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

    Clear

  • Tube Dia.

    • Ø4
    • Ø6
    • Ø8
    • Ø10
    • Ø3
    • Ø6.35
    • Ø9.52
    • Ø12.7
    • ø4.76
    • ø12

    Clear

  • Orifice Dia.(Ø)

    • 4
    • 8
    • 10
    • 12

    Clear

  • Body material

    • PFA
    • PPS
    • Resin
    • SUS

    Clear

  • Functions

    • Locking type
    • Non-locking type (self-reset)

    Clear

  • B port size

    • 1/4"
    • ø3
    • 3/8"
    • ø4
    • ø6
    • ø8
    • Φ8
    • ø10
    • ø12

    Clear

  • type

    • LVH
    • LVHL

    Clear

  • Connection Type

    • Rc (R)
      • Rc
    • NPT
    • Tube Connection

    Clear

  • CAD

    • 2D
    • 3D

    Clear

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