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Fluoropolymer Pipe Fitting, LQ1 Series, Female Branch Tee, Metric Size (LQ1B31-FN)

Fluoropolymer Pipe Fitting, LQ1 Series, Female Branch Tee, Metric Size LQ1B31-FN

SMC

SMC

A fluoropolymer female branch tee fitting for use at temperatures of 200°C.
[Features]
· Unique quadruple-sealing construction (PAT.) provides a strong sealing effect and highly reliable performance against the leakage of liquids.
· Offers outstanding flow-through characteristics with minimized liquid pooling.
· The seal lock on the nut helps prevent loosening.
· The trapezoidal thread allows for the application of high levels of torque.
· The tube holding section on the nut utilizes a 2-stage system for securely holding tubes in place.
· Strong resistance to tube bending and deformation.
· Simply screw-in as far as the ends of the fitting to tighten the nut. No need for gauge management for positioning.
· The trapezoidal thread prevents the angled insertion of nuts.

(i)Caution

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

PDF

Part Number

Configured Part Number is shown.

LQ1B31-FN

Female Branch Tee LQ1B-F Metric Size Specifications

ItemModel
LQ1□10LQ1□20LQ1□30LQ1□40LQ1□50LQ1□60
MaterialNew PFA Note:
Maximum operating pressure (at 20°C)1.0 MPa
Withstand pressureRefer to the withstand pressure and heat resistance performance curves.
Operating temperature0 to 200℃

Note: For made-to-order products, the main body of the fitting is made of PTFE.

 

Withstand pressure and heat resistance performance

Withstand pressure and heat resistance performance curves

Withstand pressure and heat resistance performance curves

 

Series

SeriesSizePipe connection port diameterTube outer diameter
Metric Size
None1/8 "1/4 "3/8 "1/2 "3/41 "ø3ø4ø6ø8ø10ø12ø19ø25
Branch Tee LQ1BFemale1-○-----○○------
2-○○----●●○-----
3-○○○-----●●○---
4--○○○------●○--
5--○○○○------●○-
6----○○○------●○

Note: ○ Standard size ● With reducer

Outline/dimensions

Female Branch Tee Outline Drawing

Female Branch Tee Outline Drawing

Female Branch Tee dimensional drawing

Female Branch Tee dimensional drawing

(E): Shows the approximate dimension of the inserted tubing from the end of the nut

Female Branch Tee dimensional drawing for size 1

Female Branch Tee dimensional drawing for size 1

Female Branch Tee dimensional drawing for sizes 2 to 5

Female Branch Tee dimensional drawing for sizes 2 to 5

Female Branch Tee dimensional drawing for size 6

Female Branch Tee dimensional drawing for size 6

ModelApplicable tube outer diameterConnection thread
Rc/NPT		BEFGHL1L2MY
LQ1B11-F□ø41/8 "21048-18.51611.518.5
LQ1B12-F□ø3
LQ1B21-F□ø61/8 "415612142819.516.518.5
LQ1B22-F□ø4
LQ1B2C-F□ø3
LQ1B23-F□ø61/4 "2221.5
LQ1B24-F□ø4
LQ1B2F-F□ø3
LQ1B31-F□ø101/4 "5209181736.523.72321.5
LQ1B32-F□ø8
LQ1B33-F□ø6
LQ1B34-F□ø103/8 "25.525
LQ1B35-F□ø8
LQ1B36-F□ø6
*LQ1B39-F□ø101/8 "---32.318.718.5
*LQ1B310-F□ø8
  • *Refer to the manufacturer's catalog for other model numbers.

Units: mm
Note: Products marked with '*' are manufactured to order (the main body of the fitting is machined PTFE).

Notes For Tubing

1. Use the dedicated tool for connecting tubes.
Refer to "High-Purity Fluoropolymer Fittings / Hyper Fitting LQ1, 2 Series Work Procedure Instructions" for notes regarding tube connections and dedicated tools.

Dedicated Tool Outline Drawing

Dedicated Tool Outline Drawing

2. Tighten the nut as far as the end surface of the main body. In order to confirm that it has properly reached the end surface of the main body, tighten by a further 1/8th (approx.) of a turn. You will know that you have sufficiently tightened the nut if it will turn no further past this point. Be sure to also refer to the appropriate tightening torques shown below.

Body sizeTorque (N·m)
20.3 to 0.4
30.8 to 1.0
41.0 to 1.2
52.5 to 3.0
65.5 to 6.0

Note: For body size 1, tighten by hand.

30
45
60
  1. 1
Part Number
LQ1B31-FN
Part NumberStandard Unit PriceMinimum order quantityVolume DiscountDays to ShipConnection Type Material Applicable Tube Outer Dia. (mm) D (D1) Applicable Tube O.D. (mm) D2 Applicable Tube O.D. (inch) D2 Connection Screw Type M (M1) Connection Screw Nominal M (M1) Packing Size of Body

SGD 97.77

1 Piece(s) Quote [Thread <-> Tube, Branch] Thread-to-Pipe Branch (Equal Diameter)PFA10--NPT (Female thread)1/4B(8A)Clean Packaging Class M3.5 Equivalent3

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  1. 1
 

Basic Information

Type Fitting Body Thread-to-Pipe Multipoint Connection Type Female Branch Tee Maximum Operating Temperature(°C) 200

Configure

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1 Part Numbers

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Specification/Dimensions

  • Applicable Tube O.D. (mm) D2

    • 3
    • 4
    • 6
    • 8
    • 10
    • 12
    • 19

    Clear

  • Applicable Tube O.D. (inch) D2

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

    Clear

  • type

    • LQ1□□□-□□-□

    Clear

  • Connection Type

    • Thread <-> Tube, Branch
      • Thread-to-Pipe Branch (Equal Diameter)
      • Thread-to-Pipe Branch (Reducing)

    Clear

  • Material

    • PTFE
    • PFA

    Clear

  • Applicable Tube Outer Dia. (mm) D (D1)

    • 3
    • 4
    • 6
    • 8
    • 10
    • 12
    • 19
    • 25

    Clear

  • Connection Screw Type M (M1)

    • Rc
    • NPT (Female thread)

    Clear

  • Connection Screw Nominal M (M1)

    • 1/8B(6A)
    • 1/4B(8A)
    • 3/8B(10A)
    • 1/2B(15A)
    • 3/4B(20A)
    • 1B(25A)

    Clear

  • Packing

    • Clean Packaging Class M3.5 Equivalent
    • Standard Packaging Class M5.5 Equivalent

    Clear

  • Size of Body

    • 1
    • 2
    • 3
    • 4
    • 5
    • 6

    Clear

  • CAD

    • 2D
    • 3D

    Clear

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