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A fluoropolymer fitting with strong resistance to tube bending and deformation.
[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.
· 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.
· The tube size can be changed.
· Easy nut fastening.
Part Number
Configured Part Number is shown.

LQ1U outline drawing
| Item | Model | |||||
|---|---|---|---|---|---|---|
| LQ1□10 | LQ1□20 | LQ1□30 | LQ1□40 | LQ1□50 | LQ1□60 | |
| Material | New PFA | |||||
| 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℃ | |||||

Withstand pressure and heat resistance performance

LQ1U dimensional drawing
(E): Shows the approximate dimension of the inserted tubing from the end of the nut
W: Width across flats

For size 1

For sizes 2 to 5

For size 6
| Model | Applicable tube outer diameter | E | H | L | M | W |
|---|---|---|---|---|---|---|
| LQ1U1A | 1/8 " | 10 | - | 29 | 11.5 | 10 |
| LQ1U2A□□ | 1/4 " | 15 | 14 | 41 | 16.5 | 14 |
| LQ1U2B□□ | 3/16 " | |||||
| LQ1U3A□□ | 3/8 " | 20 | 17 | 54 | 23 | 19 |
| LQ1U3B□□ | 1/4 " | |||||
| LQ1U4A□□ | 1/2 " | 24 | 21 | 63 | 28 | 23 |
| LQ1U4B□□ | 3/8 " | |||||
| LQ1U5A□□ | 3/4 " | 29 | 26 | 77 | 39 | 32 |
| LQ1U5B□□ | 1/2 " | |||||
| LQ1U6A□□ | 1 " | 39.5 | 36 | 102 | 49 | 46 |
| LQ1U6B□□ | 3/4 " |
Units: mm
1. Use the dedicated tool for connecting tubes.

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) |
|---|---|
| 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.
| 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. (inch) D (D1) | Compatible Tube O.D. (inch) D2 | Tube Size Standard | Packing | Size of Body |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
MYR 82.51 | 1 Piece(s) | 14 Day(s) or more | Pipe⇔Pipe, same diameters connection | [Union Straight] Union | - | - | 1/8 | - | Imperial | Clean Packaging Class M3.5 Equivalent | 1 | ||
- | 1 Piece(s) | Quote | Pipe⇔Pipe, same diameters connection | [Union Straight] Union | - | - | 1/8 | - | - | Standard Packaging Class M5.5 Equivalent | 1 | ||
MYR 111.27 | 1 Piece(s) | 9 Day(s) or more | Pipe⇔Pipe, same diameters connection | [Union Straight] Union | - | - | 1/4 | - | Imperial | Clean Packaging Class M3.5 Equivalent | 2 | ||
MYR 169.07 | 1 Piece(s) | 21 Day(s) | Pipe⇔Pipe, different diameters connection | - | Different Diameter Straight | - | 1/4 | 3/16 | - | Clean Packaging Class M3.5 Equivalent | 2 | ||
MYR 166.85 | 1 Piece(s) | 21 Day(s) | Pipe⇔Pipe, different diameters connection | - | Different Diameter Straight | - | 1/4 | 3/16 | - | Standard Packaging Class M5.5 Equivalent | 2 | ||
MYR 169.07 | 1 Piece(s) | 21 Day(s) | Pipe⇔Pipe, different diameters connection | - | Different Diameter Straight | - | 1/4 | 1/8 | - | Clean Packaging Class M3.5 Equivalent | 2 | ||
- | 1 Piece(s) | Quote | Pipe⇔Pipe, different diameters connection | - | Different Diameter Straight | - | 1/4 | 1/8 | - | Standard Packaging Class M5.5 Equivalent | 2 | ||
MYR 169.07 | 1 Piece(s) | 21 Day(s) | Pipe⇔Pipe, different diameters connection | - | Different Diameter Straight | 6 | 1/4 | - | - | Clean Packaging Class M3.5 Equivalent | 2 | ||
- | 1 Piece(s) | Quote | Pipe⇔Pipe, different diameters connection | - | Different Diameter Straight | 6 | 1/4 | - | - | Standard Packaging Class M5.5 Equivalent | 2 | ||
MYR 169.07 | 1 Piece(s) | 21 Day(s) | Pipe⇔Pipe, different diameters connection | - | Different Diameter Straight | 4 | 1/4 | - | - | Clean Packaging Class M3.5 Equivalent | 2 | ||
MYR 93.08 | 1 Piece(s) | 9 Day(s) or more | Pipe⇔Pipe, same diameters connection | [Union Straight] Union | - | - | 1/4 | - | Imperial | Standard Packaging Class M5.5 Equivalent | 2 | ||
MYR 169.07 | 1 Piece(s) | 21 Day(s) | Pipe⇔Pipe, same diameters connection | [Union Straight] Union | - | - | 3/16 | - | - | Clean Packaging Class M3.5 Equivalent | 2 | ||
MYR 169.07 | 1 Piece(s) | 21 Day(s) | Pipe⇔Pipe, different diameters connection | - | Different Diameter Straight | - | 3/16 | 1/4 | - | Clean Packaging Class M3.5 Equivalent | 2 | ||
MYR 169.07 | 1 Piece(s) | 21 Day(s) | Pipe⇔Pipe, different diameters connection | - | Different Diameter Straight | - | 3/16 | 1/8 | - | Clean Packaging Class M3.5 Equivalent | 2 | ||
MYR 169.07 | 1 Piece(s) | 21 Day(s) | Pipe⇔Pipe, different diameters connection | - | Different Diameter Straight | 6 | 3/16 | - | - | Clean Packaging Class M3.5 Equivalent | 2 | ||
MYR 169.07 | 1 Piece(s) | 21 Day(s) | Pipe⇔Pipe, different diameters connection | - | Different Diameter Straight | 4 | 3/16 | - | - | Clean Packaging Class M3.5 Equivalent | 2 | ||
- | 1 Piece(s) | Quote | Pipe⇔Pipe, same diameters connection | [Union Straight] Union | - | - | 3/16 | - | - | Standard Packaging Class M5.5 Equivalent | 2 | ||
MYR 130.65 | 1 Piece(s) | 9 Day(s) or more | Pipe⇔Pipe, same diameters connection | [Union Straight] Union | - | - | 3/8 | - | Imperial | Clean Packaging Class M3.5 Equivalent | 3 | ||
MYR 154.89 | 1 Piece(s) | 14 Day(s) or more | Pipe⇔Pipe, different diameters connection | - | Different Diameter Straight | - | 3/8 | 1/4 | - | Clean Packaging Class M3.5 Equivalent | 3 | ||
- | 1 Piece(s) | Quote | Pipe⇔Pipe, different diameters connection | - | Different Diameter Straight | - | 3/8 | 1/4 | - | Standard Packaging Class M5.5 Equivalent | 3 | ||
MYR 233.52 | 1 Piece(s) | 21 Day(s) | Pipe⇔Pipe, different diameters connection | - | Different Diameter Straight | 10 | 3/8 | - | - | Clean Packaging Class M3.5 Equivalent | 3 | ||
- | 1 Piece(s) | Quote | Pipe⇔Pipe, different diameters connection | - | Different Diameter Straight | 10 | 3/8 | - | - | Standard Packaging Class M5.5 Equivalent | 3 | ||
MYR 233.52 | 1 Piece(s) | 21 Day(s) | Pipe⇔Pipe, different diameters connection | - | Different Diameter Straight | 8 | 3/8 | - | - | Clean Packaging Class M3.5 Equivalent | 3 | ||
MYR 233.52 | 1 Piece(s) | 21 Day(s) | Pipe⇔Pipe, different diameters connection | - | Different Diameter Straight | 6 | 3/8 | - | - | Clean Packaging Class M3.5 Equivalent | 3 | ||
MYR 136.89 | 1 Piece(s) | 9 Day(s) or more | Pipe⇔Pipe, same diameters connection | [Union Straight] Union | - | - | 3/8 | - | Imperial | Standard Packaging Class M5.5 Equivalent | 3 | ||
MYR 233.52 | 1 Piece(s) | 21 Day(s) | Pipe⇔Pipe, same diameters connection | [Union Straight] Union | - | - | 1/4 | - | - | Clean Packaging Class M3.5 Equivalent | 3 | ||
MYR 233.52 | 1 Piece(s) | 21 Day(s) | Pipe⇔Pipe, different diameters connection | - | Different Diameter Straight | - | 1/4 | 3/8 | - | Clean Packaging Class M3.5 Equivalent | 3 | ||
- | 1 Piece(s) | Quote | Pipe⇔Pipe, different diameters connection | - | Different Diameter Straight | - | 1/4 | 3/8 | - | Standard Packaging Class M5.5 Equivalent | 3 | ||
MYR 233.52 | 1 Piece(s) | 21 Day(s) | Pipe⇔Pipe, different diameters connection | - | Different Diameter Straight | 10 | 1/4 | - | - | Clean Packaging Class M3.5 Equivalent | 3 | ||
MYR 233.52 | 1 Piece(s) | 21 Day(s) | Pipe⇔Pipe, different diameters connection | - | Different Diameter Straight | 8 | 1/4 | - | - | Clean Packaging Class M3.5 Equivalent | 3 | ||
MYR 233.52 | 1 Piece(s) | 21 Day(s) | Pipe⇔Pipe, different diameters connection | - | Different Diameter Straight | 6 | 1/4 | - | - | Clean Packaging Class M3.5 Equivalent | 3 | ||
- | 1 Piece(s) | Quote | Pipe⇔Pipe, same diameters connection | [Union Straight] Union | - | - | 1/4 | - | - | Standard Packaging Class M5.5 Equivalent | 3 | ||
MYR 194.27 | 1 Piece(s) | 14 Day(s) or more | Pipe⇔Pipe, same diameters connection | [Union Straight] Union | - | - | 1/2 | - | Imperial | Clean Packaging Class M3.5 Equivalent | 4 | ||
MYR 194.28 | 1 Piece(s) | 14 Day(s) or more | Pipe⇔Pipe, different diameters connection | - | Different Diameter Straight | - | 1/2 | 3/8 | - | Clean Packaging Class M3.5 Equivalent | 4 | ||
- | 1 Piece(s) | Quote | Pipe⇔Pipe, different diameters connection | - | Different Diameter Straight | - | 1/2 | 3/8 | - | Standard Packaging Class M5.5 Equivalent | 4 | ||
MYR 293.98 | 1 Piece(s) | 21 Day(s) | Pipe⇔Pipe, different diameters connection | - | Different Diameter Straight | 12 | 1/2 | - | - | Clean Packaging Class M3.5 Equivalent | 4 | ||
- | 1 Piece(s) | Quote | Pipe⇔Pipe, different diameters connection | - | Different Diameter Straight | 12 | 1/2 | - | - | Standard Packaging Class M5.5 Equivalent | 4 | ||
MYR 293.98 | 1 Piece(s) | 21 Day(s) | Pipe⇔Pipe, different diameters connection | - | Different Diameter Straight | 10 | 1/2 | - | - | Clean Packaging Class M3.5 Equivalent | 4 | ||
MYR 172.91 | 1 Piece(s) | 9 Day(s) or more | Pipe⇔Pipe, same diameters connection | [Union Straight] Union | - | - | 1/2 | - | Imperial | Standard Packaging Class M5.5 Equivalent | 4 | ||
MYR 293.98 | 1 Piece(s) | 21 Day(s) | Pipe⇔Pipe, same diameters connection | [Union Straight] Union | - | - | 3/8 | - | - | Clean Packaging Class M3.5 Equivalent | 4 | ||
MYR 293.98 | 1 Piece(s) | 21 Day(s) | Pipe⇔Pipe, different diameters connection | - | Different Diameter Straight | - | 3/8 | 1/2 | - | Clean Packaging Class M3.5 Equivalent | 4 | ||
MYR 293.98 | 1 Piece(s) | 21 Day(s) | Pipe⇔Pipe, different diameters connection | - | Different Diameter Straight | 12 | 3/8 | - | - | Clean Packaging Class M3.5 Equivalent | 4 | ||
MYR 293.98 | 1 Piece(s) | 21 Day(s) | Pipe⇔Pipe, different diameters connection | - | Different Diameter Straight | 10 | 3/8 | - | - | Clean Packaging Class M3.5 Equivalent | 4 | ||
- | 1 Piece(s) | Quote | Pipe⇔Pipe, same diameters connection | [Union Straight] Union | - | - | 3/8 | - | - | Standard Packaging Class M5.5 Equivalent | 4 | ||
MYR 318.29 | 1 Piece(s) | 13 Day(s) or more | Pipe⇔Pipe, same diameters connection | [Union Straight] Union | - | - | 3/4 | - | Imperial | Clean Packaging Class M3.5 Equivalent | 5 | ||
MYR 316.80 | 1 Piece(s) | 14 Day(s) or more | Pipe⇔Pipe, different diameters connection | - | Different Diameter Straight | - | 3/4 | 1/2 | - | Clean Packaging Class M3.5 Equivalent | 5 | ||
- | 1 Piece(s) | Quote | Pipe⇔Pipe, different diameters connection | - | Different Diameter Straight | - | 3/4 | 1/2 | - | Standard Packaging Class M5.5 Equivalent | 5 | ||
MYR 482.50 | 1 Piece(s) | 21 Day(s) | Pipe⇔Pipe, different diameters connection | - | Different Diameter Straight | 19 | 3/4 | - | - | Clean Packaging Class M3.5 Equivalent | 5 | ||
MYR 482.50 | 1 Piece(s) | 21 Day(s) | Pipe⇔Pipe, different diameters connection | - | Different Diameter Straight | 12 | 3/4 | - | - | Clean Packaging Class M3.5 Equivalent | 5 | ||
- | 1 Piece(s) | Quote | Pipe⇔Pipe, same diameters connection | [Union Straight] Union | - | - | 3/4 | - | - | Standard Packaging Class M5.5 Equivalent | 5 | ||
MYR 316.80 | 1 Piece(s) | 14 Day(s) or more | Pipe⇔Pipe, same diameters connection | [Union Straight] Union | - | - | 1/2 | - | Imperial | Clean Packaging Class M3.5 Equivalent | 5 | ||
MYR 482.50 | 1 Piece(s) | 21 Day(s) | Pipe⇔Pipe, different diameters connection | - | Different Diameter Straight | - | 1/2 | 3/4 | - | Clean Packaging Class M3.5 Equivalent | 5 | ||
MYR 482.50 | 1 Piece(s) | 21 Day(s) | Pipe⇔Pipe, different diameters connection | - | Different Diameter Straight | 19 | 1/2 | - | - | Clean Packaging Class M3.5 Equivalent | 5 | ||
MYR 482.50 | 1 Piece(s) | 21 Day(s) | Pipe⇔Pipe, different diameters connection | - | Different Diameter Straight | 12 | 1/2 | - | - | Clean Packaging Class M3.5 Equivalent | 5 | ||
- | 1 Piece(s) | Quote | Pipe⇔Pipe, same diameters connection | [Union Straight] Union | - | - | 1/2 | - | - | Standard Packaging Class M5.5 Equivalent | 5 | ||
MYR 1,065.18 | 1 Piece(s) | 21 Day(s) | Pipe⇔Pipe, same diameters connection | [Union Straight] Union | - | - | 1 | - | - | Clean Packaging Class M3.5 Equivalent | 6 | ||
MYR 1,065.18 | 1 Piece(s) | 21 Day(s) | Pipe⇔Pipe, different diameters connection | - | Different Diameter Straight | - | 1 | 3/4 | - | Clean Packaging Class M3.5 Equivalent | 6 | ||
- | 1 Piece(s) | Quote | Pipe⇔Pipe, different diameters connection | - | Different Diameter Straight | - | 1 | 3/4 | - | Standard Packaging Class M5.5 Equivalent | 6 | ||
MYR 1,065.18 | 1 Piece(s) | 21 Day(s) | Pipe⇔Pipe, different diameters connection | - | Different Diameter Straight | 25 | 1 | - | - | Clean Packaging Class M3.5 Equivalent | 6 | ||
MYR 1,065.18 | 1 Piece(s) | 21 Day(s) | Pipe⇔Pipe, different diameters connection | - | Different Diameter Straight | 19 | 1 | - | - | Clean Packaging Class M3.5 Equivalent | 6 | ||
- | 1 Piece(s) | Quote | Pipe⇔Pipe, same diameters connection | [Union Straight] Union | - | - | 1 | - | - | Standard Packaging Class M5.5 Equivalent | 6 | ||
MYR 1,065.18 | 1 Piece(s) | 21 Day(s) | Pipe⇔Pipe, same diameters connection | [Union Straight] Union | - | - | 3/4 | - | - | Clean Packaging Class M3.5 Equivalent | 6 | ||
MYR 1,065.18 | 1 Piece(s) | 21 Day(s) | Pipe⇔Pipe, different diameters connection | - | Different Diameter Straight | - | 3/4 | 1 | - | Clean Packaging Class M3.5 Equivalent | 6 | ||
MYR 1,065.18 | 1 Piece(s) | 21 Day(s) | Pipe⇔Pipe, different diameters connection | - | Different Diameter Straight | 25 | 3/4 | - | - | Clean Packaging Class M3.5 Equivalent | 6 | ||
MYR 1,065.18 | 1 Piece(s) | 21 Day(s) | Pipe⇔Pipe, different diameters connection | - | Different Diameter Straight | 19 | 3/4 | - | - | Clean Packaging Class M3.5 Equivalent | 6 | ||
- | 1 Piece(s) | Quote | Pipe⇔Pipe, same diameters connection | [Union Straight] Union | - | - | 3/4 | - | - | Standard Packaging Class M5.5 Equivalent | 6 |
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| Type | Fitting Body | Main Body Material | PFA | Max. Operating Temperature(°C) | 200 |
|---|
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