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Fluoropolymer Pipe Fitting, LQ1 Series, Union Reducing, Metric Size (Part Numbers)
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.
Part Number
Configured Part Number is shown.
Union, Reducing Type LQ1U-R Series Specifications
Common Specifications
| Item | Model | |||||
|---|---|---|---|---|---|---|
| LQ1□10 | LQ1□20 | LQ1□30 | LQ1□40 | LQ1□50 | LQ1□60 | |
| Material | New PFA Note: | |||||
| Maximum operating pressure (at 20°C) | 1.0 MPa | |||||
| Withstand pressure | Refer to the withstand pressure and heat resistance performance curves. | |||||
| Operating temperature | 0 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
LQ1U-R Series
LQ1U-R Series Outline Drawing
| Series | Size | Tube outer diameter | |||||||
|---|---|---|---|---|---|---|---|---|---|
| Metric Size | |||||||||
| ø3 | ø4 | ø6 | ø8 | ø10 | ø12 | ø19 | ø25 | ||
| Union, Reducing Type LQ1U-R | 3 | ● | ● | ● | ● | ○ | - | - | - |
| 4 | ● | ● | ● | ● | ● | ○ | - | - | |
| 5 | ● | ● | ● | ● | ● | ● | ○ | - | |
| 6 | - | - | ● | - | ● | ● | ● | ○ | |
Note: ○ Standard size ● With reducer
Outline dimensional drawing
LQ1U-R dimensional drawing
For sizes 3 to 5
For size 6
| Model | A side | B side | E1 | E2 | H1 | H2 | L | M1 | M2 | W |
|---|---|---|---|---|---|---|---|---|---|---|
| Applicable tube outer diameter | ||||||||||
| LQ1U31-R3 | ø10 | ø4 | 24 | 15 | 21 | 14 | 53 | 28 | 16.5 | 23 |
| LQ1U41-R2 | ø12 | ø8 | 24 | 20 | 21 | 17 | 58.5 | 28 | 23 | 23 |
| LQ1U41-R3 | ø12 | ø6 | 15 | 14 | 53 | 16.5 | ||||
| *LQ1U51-R2 | ø19 | ø10 | 29 | 20 | 26 | 17 | 66.5 | 39 | 23 | 32 |
| *LQ1U51-R3 | ø19 | ø8 | ||||||||
| LQ1U51-R4 | ø19 | ø6 | 15 | 14 | 61.5 | 16.5 | ||||
| LQ1U51-R6 | ø19 | ø3 | ||||||||
| LQ1U61-R2 | ø25 | ø12 | 39.5 | 24 | 36 | 21 | 87 | 49 | 28 | 46 |
| *LQ1U61-R5 | ø25 | ø6 | 20 | 17 | 82 | 23 | 36 | |||
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
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 size | Torque (N·m) |
|---|---|
| 3 | 0.8 to 1.0 |
| 4 | 1.0 to 1.2 |
| 5 | 2.5 to 3.0 |
| 6 | 5.5 to 6.0 |
Note: For body size 1, tighten by hand.
| Part Number |
|---|
| LQ1U31-R3 |
| LQ1U31-R3-1 |
| LQ1U41-R2 |
| LQ1U41-R2-1 |
| LQ1U41-R3 |
| LQ1U41-R3-1 |
| LQ1U51-R2 |
| LQ1U51-R3 |
| LQ1U51-R4 |
| LQ1U51-R6 |
| LQ1U51-R6-1 |
| LQ1U61-R2 |
| LQ1U61-R5 |
| Part Number | Standard Unit Price | Minimum order quantity | Volume Discount | Days to Ship | Material | Applicable Tube Outer Dia. (mm) D (D1) | Applicable Tube O.D. (mm) D2 | Packing | Size of Body |
|---|---|---|---|---|---|---|---|---|---|
- | 1 Piece(s) | Quote | PFA | 10 | 4 | Clean Packaging Class M3.5 Equivalent | 3 | ||
- | 1 Piece(s) | Quote | PFA | 10 | 4 | Standard Packaging Class M5.5 Equivalent | 3 | ||
SGD 121.45 | 1 Piece(s) | Quote | PFA | 12 | 8 | Clean Packaging Class M3.5 Equivalent | 4 | ||
- | 1 Piece(s) | Quote | PFA | 12 | 8 | Standard Packaging Class M5.5 Equivalent | 4 | ||
SGD 121.45 | 1 Piece(s) | Quote | PFA | 12 | 6 | Clean Packaging Class M3.5 Equivalent | 4 | ||
- | 1 Piece(s) | Quote | PFA | 12 | 6 | Standard Packaging Class M5.5 Equivalent | 4 | ||
- | 1 Piece(s) | Quote | PTFE | 19 | 10 | Clean Packaging Class M3.5 Equivalent | 5 | ||
- | 1 Piece(s) | Quote | PTFE | 19 | 8 | Clean Packaging Class M3.5 Equivalent | 5 | ||
- | 1 Piece(s) | Quote | PFA | 19 | 6 | Clean Packaging Class M3.5 Equivalent | 5 | ||
- | 1 Piece(s) | Quote | PFA | 19 | 3 | Clean Packaging Class M3.5 Equivalent | 5 | ||
- | 1 Piece(s) | Quote | PFA | 19 | 3 | Standard Packaging Class M5.5 Equivalent | 5 | ||
- | 1 Piece(s) | Quote | PFA | 25 | 12 | Clean Packaging Class M3.5 Equivalent | 6 | ||
- | 1 Piece(s) | Quote | PTFE | 25 | 6 | Clean Packaging Class M3.5 Equivalent | 6 |
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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 |
Specification/Dimensions
-
Material
- PTFE
- PFA
-
Applicable Tube Outer Dia. (mm) D (D1)
-
Applicable Tube O.D. (mm) D2
-
Packing
- Clean Packaging Class M3.5 Equivalent
- Standard Packaging Class M5.5 Equivalent
-
Size of Body
- 3
- 4
- 5
- 6
-
type
- LQ1U□□-□-□
-
CAD
- 2D
- 3D
Specify Alterations
- The specifications and dimensions of some parts may not be fully covered. For exact details, refer to manufacturer catalogs .
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