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Fluoropolymer Pipe Fitting, LQ1 Series, Union Reducing, Metric Size

Fluoropolymer Pipe Fitting, LQ1 Series, Union Reducing, Metric Size

A reducing type union with outstanding flow-through characteristics with minimized liquid pooling.
[Features]
· Unique quadruple-sealing construction (PAT.) provides a strong sealing effect and highly reliable performance against the leakage of liquids.
· For use at 200°C.
· 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.
· Easy nut fastening.
· 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

Union, Reducing Type LQ1U-R Series Specifications

Common 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

Union, Reducing Type LQ1U-R Metric Size: Related images

 

Withstand pressure and heat resistance performance curves

 

 

LQ1U-R Series

Union, Reducing Type LQ1U-R Metric Size: Related images

LQ1U-R Series Outline Drawing

SeriesSizeTube outer diameter
Metric Size
ø3ø4ø6ø8ø10ø12ø19ø25
Union, Reducing Type
LQ1U-R
3---
4--
5-
6---

Note: ○ Standard size ● With reducer

Outline dimensional drawing

Union, Reducing Type LQ1U-R Metric Size: Related images

LQ1U-R dimensional drawing

Union, Reducing Type LQ1U-R Metric Size: Related images

For sizes 3 to 5

Union, Reducing Type LQ1U-R Metric Size: Related images

For size 6

ModelA sideB sideE1E2H1H2LM1M2W
Applicable tube outer diameter
LQ1U31-R3ø10ø424152114532816.523
LQ1U41-R2ø12ø82420211758.5282323
LQ1U41-R3ø12ø615145316.5
*LQ1U51-R2ø19ø102920261766.5392332
*LQ1U51-R3ø19ø8
LQ1U51-R4ø19ø6151461.516.5
LQ1U51-R6ø19ø3
LQ1U61-R2ø25ø1239.524362187492846
*LQ1U61-R5ø25ø62017822336

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.

Union, Reducing Type LQ1U-R Metric Size: Related images

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)
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.

Part Number
LQ1U31-R3
LQ1U31-R3-1
LQ1U41-R2-1
LQ1U41-R3-1
LQ1U51-R2
LQ1U51-R3
LQ1U51-R4
LQ1U51-R6
LQ1U51-R6-1
LQ1U61-R2
LQ1U61-R5
Part NumberMinimum order quantityVolume DiscountDays to ShipMaterial Applicable Tube Outer Dia. (mm) D (D1) Applicable Tube O.D. (mm) D2 Packing Size of Body
1 Piece(s) Quote PFA104Clean Packaging Class M3.5 Equivalent3
1 Piece(s) Quote PFA104Standard Packaging Class M5.5 Equivalent3
1 Piece(s) Quote PFA128Standard Packaging Class M5.5 Equivalent4
1 Piece(s) Quote PFA126Standard Packaging Class M5.5 Equivalent4
1 Piece(s) Quote PTFE1910Clean Packaging Class M3.5 Equivalent5
1 Piece(s) Quote PTFE198Clean Packaging Class M3.5 Equivalent5
1 Piece(s) Quote PFA196Clean Packaging Class M3.5 Equivalent5
1 Piece(s) Quote PFA193Clean Packaging Class M3.5 Equivalent5
1 Piece(s) Quote PFA193Standard Packaging Class M5.5 Equivalent5
1 Piece(s) Quote PFA2512Clean Packaging Class M3.5 Equivalent6
1 Piece(s) Quote PTFE256Clean Packaging Class M3.5 Equivalent6

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Basic Information

Connection Type Pipe⇔Pipe, different diameters connection Type Fitting Body Pipe-to-Pipe Unequal Dia. Connection Type Reducing Union
Maximum Operating Temperature(°C) 200

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