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A fluoropolymer fitting with a tube holding section on the nut that utilizes a 2-stage system for securely holding tubes in place.
[Features]
· 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.
· Shows strong resistance to tube bending and deformation. The tube support allows it to withstand use with lateral loads.
· Simply screw-in as far as the ends of the fitting to tighten the nuts. No need for gauge management for positioning.
· For use at 200°C. The trapezoidal thread prevents the angled insertion of nuts.
· The reducer system allows you to switch tube sizes without having to change the body itself.
Part Number
Configured Part Number is shown.

Union Elbow LQ1E External Appearance

Union Elbow LQ1E dimensional drawing

Dimensional drawing for size 1

Dimensional drawing for sizes 2 to 5

Dimensional drawing for size 6
| Model | Applicable tube outer diameter | B | C | E | H | L | M |
|---|---|---|---|---|---|---|---|
| LQ1E11 | ø4 | 2 | 4 | 10 | - | 18.5 | 11.5 |
| LQ1E12 | ø3 | ||||||
| LQ1E21□□ | ø6 | 4 | 6 | 15 | 14 | 28 | 16.5 |
| LQ1E22□□ | ø4 | ||||||
| LQ1E2C□□ | ø3 | ||||||
| LQ1E31□□ | ø10 | 5 | 9 | 20 | 17 | 36.5 | 23 |
| LQ1E32□□ | ø8 | ||||||
| LQ1E33□□ | ø6 | ||||||
| LQ1E41□□ | ø12 | 6 | 9 | 24 | 21 | 43 | 28 |
| LQ1E42□□ | ø10 | ||||||
| LQ1E51□□ | ø19 | 7 | 14 | 29 | 26 | 54 | 39 |
| LQ1E52□□ | ø12 | ||||||
| LQ1E61□□ | ø25 | 8 | 18 | 39.5 | 36 | 69.5 | 49 |
| LQ1E62□□ | ø19 |
*(E): Shows the approximate dimension of the inserted tubing from the end of the nut.
Units: mm
| 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.

Union Elbow LQ1E withstand pressure and heat resistance performance
Type of line

Using the dedicated tube connecting tool (example)
1. Use the dedicated tool for connecting tubes.
| Body size | Torque (N·m) |
|---|---|
| 2 | 0.3 to 0.4 |
| 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.
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 to the left for when tubing/piping.
| Part Number | Standard Unit Price | Minimum order quantity | Volume Discount | Days to Ship | Connection Type | Pipe-to-Pipe Equal Dia. Connection Type | Pipe-to-Pipe Reducer Connection Type | Compatible Tube O.D. (mm) D (D1) | Compatible Tube O.D. (mm) D2 | Compatible Tube O.D. (inch) D2 | Tube Size Standard | Packing | Size of Body |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
MYR 176.58 | 1 Piece(s) | 21 Day(s) | Pipe⇔Pipe, same diameters connection | Union Elbows | - | 3 | - | - | - | Clean Packaging Class M3.5 Equivalent | 2 | ||
MYR 176.58 | 1 Piece(s) | 21 Day(s) | Pipe⇔Pipe, different diameters connection | - | [Reducing Union Elbow] Reducing Union Elbow | 3 | - | 1/4 | - | Clean Packaging Class M3.5 Equivalent | 2 | ||
- | 1 Piece(s) | Quote | Pipe⇔Pipe, different diameters connection | - | [Reducing Union Elbow] Reducing Union Elbow | 3 | - | 1/4 | - | Standard Packaging Class M5.5 Equivalent | 2 | ||
MYR 176.58 | 1 Piece(s) | 21 Day(s) | Pipe⇔Pipe, different diameters connection | - | [Reducing Union Elbow] Reducing Union Elbow | 3 | - | - | - | Clean Packaging Class M3.5 Equivalent | 2 | ||
- | 1 Piece(s) | Quote | Pipe⇔Pipe, different diameters connection | - | [Reducing Union Elbow] Reducing Union Elbow | 3 | - | - | - | Standard Packaging Class M5.5 Equivalent | 2 | ||
MYR 176.58 | 1 Piece(s) | 21 Day(s) | Pipe⇔Pipe, different diameters connection | - | [Reducing Union Elbow] Reducing Union Elbow | 3 | 6 | - | - | Clean Packaging Class M3.5 Equivalent | 2 | ||
- | 1 Piece(s) | Quote | Pipe⇔Pipe, different diameters connection | - | [Reducing Union Elbow] Reducing Union Elbow | 3 | 6 | - | - | Standard Packaging Class M5.5 Equivalent | 2 | ||
MYR 176.58 | 1 Piece(s) | 21 Day(s) | Pipe⇔Pipe, different diameters connection | - | [Reducing Union Elbow] Reducing Union Elbow | 3 | 4 | - | Metric | Clean Packaging Class M3.5 Equivalent | 2 | ||
- | 1 Piece(s) | Quote | Pipe⇔Pipe, different diameters connection | - | [Reducing Union Elbow] Reducing Union Elbow | 3 | 4 | - | - | Standard Packaging Class M5.5 Equivalent | 2 | ||
- | 1 Piece(s) | Quote | Pipe⇔Pipe, same diameters connection | Union Elbows | - | 3 | - | - | - | Standard Packaging Class M5.5 Equivalent | 2 | ||
MYR 82.51 | 1 Piece(s) | 14 Day(s) or more | Pipe⇔Pipe, same diameters connection | Union Elbows | - | 4 | - | - | Metric | Clean Packaging Class M3.5 Equivalent | 1 | ||
- | 1 Piece(s) | Quote | Pipe⇔Pipe, same diameters connection | Union Elbows | - | 4 | - | - | - | Standard Packaging Class M5.5 Equivalent | 1 | ||
MYR 124.47 | 1 Piece(s) | 21 Day(s) | Pipe⇔Pipe, same diameters connection | Union Elbows | - | 3 | - | - | - | Clean Packaging Class M3.5 Equivalent | 1 | ||
- | 1 Piece(s) | Quote | Pipe⇔Pipe, same diameters connection | Union Elbows | - | 3 | - | - | - | Standard Packaging Class M5.5 Equivalent | 1 | ||
MYR 100.06 | 1 Piece(s) | 9 Day(s) or more | Pipe⇔Pipe, same diameters connection | Union Elbows | - | 6 | - | - | Metric | Clean Packaging Class M3.5 Equivalent | 2 | ||
- | 1 Piece(s) | Quote | Pipe⇔Pipe, same diameters connection | Union Elbows | - | 6 | - | - | - | Standard Packaging Class M5.5 Equivalent | 2 | ||
MYR 176.58 | 1 Piece(s) | 21 Day(s) | Pipe⇔Pipe, same diameters connection | Union Elbows | - | 4 | - | - | - | Clean Packaging Class M3.5 Equivalent | 2 | ||
- | 1 Piece(s) | Quote | Pipe⇔Pipe, same diameters connection | Union Elbows | - | 4 | - | - | - | Standard Packaging Class M5.5 Equivalent | 2 | ||
MYR 149.73 | 1 Piece(s) | 9 Day(s) or more | Pipe⇔Pipe, same diameters connection | Union Elbows | - | 10 | - | - | Metric | Clean Packaging Class M3.5 Equivalent | 3 | ||
- | 1 Piece(s) | Quote | Pipe⇔Pipe, same diameters connection | Union Elbows | - | 10 | - | - | - | Standard Packaging Class M5.5 Equivalent | 3 | ||
MYR 167.02 | 1 Piece(s) | 14 Day(s) or more | Pipe⇔Pipe, same diameters connection | Union Elbows | - | 8 | - | - | Metric | Clean Packaging Class M3.5 Equivalent | 3 | ||
- | 1 Piece(s) | Quote | Pipe⇔Pipe, same diameters connection | Union Elbows | - | 8 | - | - | - | Standard Packaging Class M5.5 Equivalent | 3 | ||
MYR 253.83 | 1 Piece(s) | 21 Day(s) | Pipe⇔Pipe, same diameters connection | Union Elbows | - | 6 | - | - | - | Clean Packaging Class M3.5 Equivalent | 3 | ||
- | 1 Piece(s) | Quote | Pipe⇔Pipe, same diameters connection | Union Elbows | - | 6 | - | - | - | Standard Packaging Class M5.5 Equivalent | 3 | ||
MYR 379.87 | 1 Piece(s) | 3 Day(s) | Pipe⇔Pipe, same diameters connection | Union Elbows | - | 12 | - | - | Metric | Clean Packaging Class M3.5 Equivalent | 4 | ||
- | 1 Piece(s) | Quote | Pipe⇔Pipe, same diameters connection | Union Elbows | - | 12 | - | - | - | Standard Packaging Class M5.5 Equivalent | 4 | ||
MYR 327.53 | 1 Piece(s) | 21 Day(s) | Pipe⇔Pipe, same diameters connection | Union Elbows | - | 10 | - | - | - | Clean Packaging Class M3.5 Equivalent | 4 | ||
- | 1 Piece(s) | Quote | Pipe⇔Pipe, same diameters connection | Union Elbows | - | 10 | - | - | - | Standard Packaging Class M5.5 Equivalent | 4 | ||
MYR 366.43 | 1 Piece(s) | 14 Day(s) or more | Pipe⇔Pipe, same diameters connection | Union Elbows | - | 19 | - | - | Metric | Clean Packaging Class M3.5 Equivalent | 5 | ||
- | 1 Piece(s) | Quote | Pipe⇔Pipe, same diameters connection | Union Elbows | - | 19 | - | - | - | Standard Packaging Class M5.5 Equivalent | 5 | ||
MYR 557.53 | 1 Piece(s) | 21 Day(s) | Pipe⇔Pipe, same diameters connection | Union Elbows | - | 12 | - | - | - | Clean Packaging Class M3.5 Equivalent | 5 | ||
- | 1 Piece(s) | Quote | Pipe⇔Pipe, same diameters connection | Union Elbows | - | 12 | - | - | - | Standard Packaging Class M5.5 Equivalent | 5 | ||
MYR 718.54 | 1 Piece(s) | 14 Day(s) or more | Pipe⇔Pipe, same diameters connection | Union Elbows | - | 25 | - | - | Metric | Clean Packaging Class M3.5 Equivalent | 6 | ||
- | 1 Piece(s) | Quote | Pipe⇔Pipe, same diameters connection | Union Elbows | - | 25 | - | - | - | Standard Packaging Class M5.5 Equivalent | 6 | ||
MYR 1,093.43 | 1 Piece(s) | 21 Day(s) | Pipe⇔Pipe, same diameters connection | Union Elbows | - | 19 | - | - | - | Clean Packaging Class M3.5 Equivalent | 6 | ||
- | 1 Piece(s) | Quote | Pipe⇔Pipe, same diameters connection | Union Elbows | - | 19 | - | - | - | Standard Packaging Class M5.5 Equivalent | 6 | ||
MYR 176.58 | 1 Piece(s) | 21 Day(s) | Pipe⇔Pipe, different diameters connection | - | [Reducing Union Elbow] Reducing Union Elbow | 6 | 4 | - | - | Clean Packaging Class M3.5 Equivalent | 2 | ||
- | 1 Piece(s) | Quote | Pipe⇔Pipe, different diameters connection | - | [Reducing Union Elbow] Reducing Union Elbow | 6 | 4 | - | - | Standard Packaging Class M5.5 Equivalent | 2 | ||
MYR 176.58 | 1 Piece(s) | 21 Day(s) | Pipe⇔Pipe, different diameters connection | - | [Reducing Union Elbow] Reducing Union Elbow | 6 | - | 1/4 | - | Clean Packaging Class M3.5 Equivalent | 2 | ||
- | 1 Piece(s) | Quote | Pipe⇔Pipe, different diameters connection | - | [Reducing Union Elbow] Reducing Union Elbow | 6 | - | 1/4 | - | Standard Packaging Class M5.5 Equivalent | 2 | ||
MYR 176.58 | 1 Piece(s) | 21 Day(s) | Pipe⇔Pipe, different diameters connection | - | [Reducing Union Elbow] Reducing Union Elbow | 6 | - | - | - | Clean Packaging Class M3.5 Equivalent | 2 | ||
- | 1 Piece(s) | Quote | Pipe⇔Pipe, different diameters connection | - | [Reducing Union Elbow] Reducing Union Elbow | 6 | - | - | - | Standard Packaging Class M5.5 Equivalent | 2 | ||
MYR 176.58 | 1 Piece(s) | 21 Day(s) | Pipe⇔Pipe, different diameters connection | - | [Reducing Union Elbow] Reducing Union Elbow | 6 | 3 | - | - | Clean Packaging Class M3.5 Equivalent | 2 | ||
- | 1 Piece(s) | Quote | Pipe⇔Pipe, different diameters connection | - | [Reducing Union Elbow] Reducing Union Elbow | 6 | 3 | - | - | Standard Packaging Class M5.5 Equivalent | 2 | ||
MYR 176.58 | 1 Piece(s) | 21 Day(s) | Pipe⇔Pipe, different diameters connection | - | [Reducing Union Elbow] Reducing Union Elbow | 4 | 6 | - | - | Clean Packaging Class M3.5 Equivalent | 2 | ||
- | 1 Piece(s) | Quote | Pipe⇔Pipe, different diameters connection | - | [Reducing Union Elbow] Reducing Union Elbow | 4 | 6 | - | - | Standard Packaging Class M5.5 Equivalent | 2 | ||
MYR 176.58 | 1 Piece(s) | 21 Day(s) | Pipe⇔Pipe, different diameters connection | - | [Reducing Union Elbow] Reducing Union Elbow | 4 | - | 1/4 | - | Clean Packaging Class M3.5 Equivalent | 2 | ||
- | 1 Piece(s) | Quote | Pipe⇔Pipe, different diameters connection | - | [Reducing Union Elbow] Reducing Union Elbow | 4 | - | 1/4 | - | Standard Packaging Class M5.5 Equivalent | 2 | ||
MYR 176.58 | 1 Piece(s) | 21 Day(s) | Pipe⇔Pipe, different diameters connection | - | [Reducing Union Elbow] Reducing Union Elbow | 4 | - | - | - | Clean Packaging Class M3.5 Equivalent | 2 | ||
- | 1 Piece(s) | Quote | Pipe⇔Pipe, different diameters connection | - | [Reducing Union Elbow] Reducing Union Elbow | 4 | - | - | - | Standard Packaging Class M5.5 Equivalent | 2 | ||
MYR 176.58 | 1 Piece(s) | 21 Day(s) | Pipe⇔Pipe, different diameters connection | - | [Reducing Union Elbow] Reducing Union Elbow | 4 | 3 | - | - | Clean Packaging Class M3.5 Equivalent | 2 | ||
- | 1 Piece(s) | Quote | Pipe⇔Pipe, different diameters connection | - | [Reducing Union Elbow] Reducing Union Elbow | 4 | 3 | - | - | Standard Packaging Class M5.5 Equivalent | 2 | ||
MYR 167.02 | 1 Piece(s) | 14 Day(s) or more | Pipe⇔Pipe, different diameters connection | - | [Reducing Union Elbow] Reducing Union Elbow | 10 | 8 | - | Metric | Clean Packaging Class M3.5 Equivalent | 3 | ||
- | 1 Piece(s) | Quote | Pipe⇔Pipe, different diameters connection | - | [Reducing Union Elbow] Reducing Union Elbow | 10 | 8 | - | - | Standard Packaging Class M5.5 Equivalent | 3 | ||
MYR 253.83 | 1 Piece(s) | 21 Day(s) | Pipe⇔Pipe, different diameters connection | - | [Reducing Union Elbow] Reducing Union Elbow | 10 | 6 | - | - | Clean Packaging Class M3.5 Equivalent | 3 | ||
- | 1 Piece(s) | Quote | Pipe⇔Pipe, different diameters connection | - | [Reducing Union Elbow] Reducing Union Elbow | 10 | 6 | - | - | Standard Packaging Class M5.5 Equivalent | 3 | ||
MYR 167.02 | 1 Piece(s) | 14 Day(s) or more | Pipe⇔Pipe, different diameters connection | - | [Reducing Union Elbow] Reducing Union Elbow | 10 | - | 3/8 | Metric | Clean Packaging Class M3.5 Equivalent | 3 | ||
- | 1 Piece(s) | Quote | Pipe⇔Pipe, different diameters connection | - | [Reducing Union Elbow] Reducing Union Elbow | 10 | - | 3/8 | - | Standard Packaging Class M5.5 Equivalent | 3 | ||
MYR 253.83 | 1 Piece(s) | 21 Day(s) | Pipe⇔Pipe, different diameters connection | - | [Reducing Union Elbow] Reducing Union Elbow | 10 | - | 1/4 | - | Clean Packaging Class M3.5 Equivalent | 3 | ||
- | 1 Piece(s) | Quote | Pipe⇔Pipe, different diameters connection | - | [Reducing Union Elbow] Reducing Union Elbow | 10 | - | 1/4 | - | Standard Packaging Class M5.5 Equivalent | 3 |
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| Type | Fitting Body | Main Body Material | PFA | Max. Operating Temperature(°C) | 200 |
|---|
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