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Fluoropolymer Needle Valve LVN Series

Fluoropolymer Needle Valve LVN Series

A fluoropolymer fitting with an integrated fitting construction.
[Features]
· Fluid adjustment range: 0 to 12 l/min.
· Integrated fitting construction: Hyper fitting, LQ2 series is used.
· Triple-seal construction.
· Nut locking mechanism.
· High flexural strength.
· Different tubing sizes can be selected.
· Material: New PFA.

(i)Caution

  • For specifications and details, please refer to the catalog.
  • Product images may be representative images. Refer to the catalog for details.

PDF

Fluoropolymer Needle Valve LVN Series Specifications

Fluoropolymer Needle Valve LVN Series: Related Image

LVN Series External Appearance

Fluoropolymer Needle Valve LVN Series: Related Image

LVN Series Dimensional Drawing

ModelABCDEFGHJKS
LVN204824128834.5641420182.4
LVN3060301811043952526247.5
LVN40723622124521162533308

Unit: mm

Structural Drawing

Fluoropolymer Needle Valve LVN Series: Related Image

LVN Series Structural Drawing

No.Part NameMaterial
1BodyPFA
2NeedlePCTFE
3V sealPTFE
4Lock nutPVDF
5Adjustment handlePVDF
6Insert bushingPFA
7NutPFA
8CollarPFA

Standard Specifications

ModelLVN20LVN30LVN40
Tube outer diameterNote)mm4, 66, 8, 1010, 12
Inch1/8 ", 3/16 ", 1/4 "1/4 ", 3/8 "3/8 ", 1/2 "
Orifice diameterø4.4ø8ø10
Flow rate characteristicsAv × Kv0.41.21.8
Cv0.51.42.2
Withstand pressure (MPa)1
Operating pressure (MPa)0 to 0.5
Fluid temperature (°C)5 to 90
Ambient temperature (°C)0 to 60
Weight (kg)0.0550.1150.185

Note) For details of the applicable tubing sizes, refer to page 945.

Different Diameter Tubing Applicable with Reducer

Different diameter tubing can be selected (within a body class) by using a nut and insert bushing (reducer). Applicable fitting: LQ2.

Body classConnection tube outer diameter
Metric SizeInch Size
46810121/8 "3/16 "1/4 "3/8 "1/2 "
2-----
3-----
4------

○ Basic size/● With reducer
Note) Refer to page 910 for information on changing tubing sizes.

Flow Rate Characteristics (Fluid: Water)

Fluoropolymer Needle Valve LVN Series: Related Image

LVN20 flow rate characteristics

Fluoropolymer Needle Valve LVN Series: Related Image

LVN30 flow rate characteristics

Fluoropolymer Needle Valve LVN Series: Related Image

LVN40 flow rate characteristics

Caution) Because the LVN series cannot be used as a stop valve the flow rate will not be "0" when the number of needle rotations is "0." For details, refer to p. 945 in the catalog, "Precautions."

Precautions for piping

Fluoropolymer Needle Valve LVN Series: Related Image

Examples of special tool use when connecting tubing

1. Use special tools to connect tubing.

Body classTorque (N⋅m)
21.5 to 2.0
33.0 to 3.5
47.5 to 9.0

2. 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 means a sufficient tightening has occurred. Refer to the appropriate tightening torques for piping shown to the left.

Part Number
LVN20-S03
LVN20-S04
LVN20-S05
LVN20-S06
LVN20-S07
LVN20-S0603
LVN20-S0604
LVN20-S0607
LVN20-S0703
LVN30-S06
LVN30-S07
LVN30-S08
LVN30-S0806
LVN30-S10
LVN30-S11
LVN30-S1008
LVN30-S1107
LVN40-S10
LVN40-S11
LVN40-S12
LVN40-S13
LVN40-S1311
Part NumberMinimum order quantityVolume DiscountDays to ShipType Applicable Tube Outer Dia. (mm) D (D1) Applicable Tube O.D. (mm) D2 Applicable Tube O.D. (inch) D (D1) Applicable Tube O.D. (inch) D2 Tube Size Standard Size of Body
1 Piece(s) 31 Day(s) Related Components--1/8--2
1 Piece(s) 31 Day(s) Fitting Body4---Metric2
1 Piece(s) 31 Day(s) Related Components-----2
1 Piece(s) 31 Day(s) Fitting Body6---Metric2
1 Piece(s) 31 Day(s) Fitting Body--1/4-Imperial2
1 Piece(s) 31 Day(s) Related Components6--1/8-2
1 Piece(s) 31 Day(s) Related Components64---2
1 Piece(s) 31 Day(s) Related Components6--1/4-2
1 Piece(s) 31 Day(s) Fitting Body--1/41/8Imperial2
1 Piece(s) 31 Day(s) Related Components6----3
1 Piece(s) 31 Day(s) Related Components--1/4--3
1 Piece(s) 31 Day(s) Fitting Body8---Metric3
1 Piece(s) 31 Day(s) Related Components86---3
1 Piece(s) 31 Day(s) Fitting Body10---Metric3
1 Piece(s) 31 Day(s) Fitting Body--3/8-Imperial3
1 Piece(s) 20 Day(s) Related Components108---3
1 Piece(s) 20 Day(s) Related Components--3/81/4-3
1 Piece(s) 20 Day(s) Related Components10----4
1 Piece(s) 20 Day(s) Related Components--3/8--4
1 Piece(s) 31 Day(s) Fitting Body12---Metric4
1 Piece(s) 31 Day(s) Related Components--1/2--4
1 Piece(s) 31 Day(s) Related Components--1/23/8-4

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Basic Information

Material PFA Type of Related Component Other

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