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A reducing type fluoropolymer union 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.
| 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 curves
| Series | Size | Tube outer diameter | ||||||
|---|---|---|---|---|---|---|---|---|
| Inch Size | ||||||||
| 1/8 " | 3/16 " | 1/4 " | 3/8 " | 1/2 " | 3/4 " | 1 " | ||
| Union Tee, Reducing Type LQ1T-R | 2 | ● | ● | ○ | - | - | - | - |
| 3 | - | - | ● | ○ | - | - | - | |
| 4 | ● | - | ● | ● | ○ | - | - | |
| 5 | ● | - | ● | ● | ● | ○ | - | |
| 6 | - | - | ● | ● | ● | ● | ○ | |
Note: ○ Standard size ● With reducer

Union Tee, Reducing Type Outline Drawing

Union Tee, Reducing Type dimensional drawing

Union Tee, Reducing Type dimensional drawing for sizes 3 to 5

Union Tee, Reducing Type dimensional drawing for size 6
| Model | A side | B side | C side | B | E1 | E2 | E3 | F | G | H1 | H2 | H3 | L1 | L2 | L3 | M1 | M2 | M3 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Applicable tube outer diameter | ||||||||||||||||||
| LQ1T3A-R5 | 1/4 " | 3/8 " | 3/8 " | 5 | 20 | 20 | 20 | 9 | 18 | 17 | 17 | 17 | 36.5 | 36.5 | 36.5 | 23 | 23 | 23 |
| LQ1T3A-R7 | 1/4 " | 1/4 " | 3/8 " | |||||||||||||||
| LQ1T4A-R2 | 1/2 " | 1/4 " | 1/2 " | 6 | 24 | 15 | 24 | 9 | 18 | 21 | 14 | 21 | 43 | 33 | 43 | 28 | 16.5 | 28 |
| LQ1T4A-R5 | 3/8 " | 1/2 " | 1/2 " | 24 | 21 | 43 | 28 | |||||||||||
| LQ1T4A-R6 | 1/4 " | 1/2 " | 1/2 " | 7 | 20 | 29 | 29 | 14 | 28 | 17 | 26 | 26 | 44 | 54 | 54 | 23 | 39 | 39 |
| LQ1T4A-R7 | 3/8 " | 3/8 " | 1/2 " | 6 | 24 | 24 | 24 | 9 | 18 | 21 | 21 | 21 | 43 | 43 | 43 | 28 | 28 | 28 |
| LQ1T4A-R8 | 1/4 " | 1/4 " | 1/2 " | 7 | 20 | 20 | 29 | 14 | 28 | 17 | 17 | 26 | 44 | 44 | 54 | 23 | 23 | 39 |
| LQ1T4A-R10 | 1/4 " | 1/2 " | 1/4 " | 6 | 15 | 24 | 15 | 9 | 18 | 14 | 21 | 14 | 33 | 43 | 33 | 16.5 | 28 | 16.5 |
| LQ1T5A-R2 | 3/4 " | 3/8 " | 3/4 " | 7 | 29 | 20 | 29 | 14 | 28 | 26 | 17 | 26 | 54 | 44 | 54 | 39 | 23 | 39 |
| LQ1T5A-R5 | 1/2 " | 3/4 " | 3/4 " | 29 | 26 | 54 | 39 | |||||||||||
| LQ1T5A-R6 | 3/8 " | 3/4 " | 3/4 " | 20 | 17 | 44 | 23 | |||||||||||
| *LQ1T5A-R7 | 1/2 " | 1/2 " | 3/4 " | - | 24 | 24 | 39.5 | - | - | 21 | 21 | 36 | 42 | 52.5 | 57.5 | 28 | 28 | 49 |
Units: mm
Note: Products marked with '*' are manufactured to order (the main body of the fitting is machined PTFE).
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) |
|---|---|
| 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.
*See the manufacturer's catalog for specifications not detailed above.
| Part Number | Standard Unit Price | Minimum order quantity | Volume Discount | Days to Ship | Main Body Material | Compatible Tube O.D. (inch) D (D1) | Compatible Tube O.D. (inch) D2 | Compatible Tube O.D. (inch) D3 | Packing | Size of Body |
|---|---|---|---|---|---|---|---|---|---|---|
MYR 232.87 | 1 Piece(s) | 27 Day(s) or more | PFA | 1/4 | 3/8 | 3/8 | Clean Packaging Class M3.5 Equivalent | 3 | ||
MYR 231.48 | 1 Piece(s) | 27 Day(s) or more | PFA | 1/4 | 3/8 | 3/8 | Standard Packaging Class M5.5 Equivalent | 3 | ||
MYR 232.87 | 1 Piece(s) | 27 Day(s) or more | PFA | 1/4 | 1/4 | 3/8 | Clean Packaging Class M3.5 Equivalent | 3 | ||
MYR 231.48 | 1 Piece(s) | 27 Day(s) or more | PFA | 1/4 | 1/4 | 3/8 | Standard Packaging Class M5.5 Equivalent | 3 | ||
MYR 869.17 | 1 Piece(s) | 3 Day(s) | PFA | 1/2 | 1/4 | 1/2 | Clean Packaging Class M3.5 Equivalent | 4 | ||
MYR 291.73 | 1 Piece(s) | 27 Day(s) or more | PFA | 3/8 | 1/2 | 1/2 | Clean Packaging Class M3.5 Equivalent | 4 | ||
MYR 731.75 | 1 Piece(s) | 27 Day(s) or more | PFA | 1/4 | 1/2 | 1/2 | Clean Packaging Class M3.5 Equivalent | 4 | ||
MYR 291.73 | 1 Piece(s) | 27 Day(s) or more | PFA | 3/8 | 3/8 | 1/2 | Clean Packaging Class M3.5 Equivalent | 4 | ||
MYR 290.24 | 1 Piece(s) | 27 Day(s) or more | PFA | 3/8 | 3/8 | 1/2 | Standard Packaging Class M5.5 Equivalent | 4 | ||
MYR 609.22 | 1 Piece(s) | 27 Day(s) or more | PFA | 1/4 | 1/4 | 1/2 | Clean Packaging Class M3.5 Equivalent | 4 | ||
MYR 607.74 | 1 Piece(s) | 27 Day(s) or more | PFA | 1/4 | 1/4 | 1/2 | Standard Packaging Class M5.5 Equivalent | 4 | ||
MYR 487.39 | 1 Piece(s) | 27 Day(s) or more | PFA | 1/4 | 1/2 | 1/4 | Clean Packaging Class M3.5 Equivalent | 4 | ||
MYR 546.53 | 1 Piece(s) | 27 Day(s) or more | PFA | 3/4 | 3/8 | 3/4 | Clean Packaging Class M3.5 Equivalent | 5 | ||
MYR 545.09 | 1 Piece(s) | 27 Day(s) or more | PFA | 3/4 | 3/8 | 3/4 | Standard Packaging Class M5.5 Equivalent | 5 | ||
MYR 546.53 | 1 Piece(s) | 27 Day(s) or more | PFA | 1/2 | 3/4 | 3/4 | Clean Packaging Class M3.5 Equivalent | 5 | ||
MYR 545.09 | 1 Piece(s) | 27 Day(s) or more | PFA | 1/2 | 3/4 | 3/4 | Standard Packaging Class M5.5 Equivalent | 5 | ||
MYR 546.53 | 1 Piece(s) | 27 Day(s) or more | PFA | 3/8 | 3/4 | 3/4 | Clean Packaging Class M3.5 Equivalent | 5 | ||
MYR 545.09 | 1 Piece(s) | 27 Day(s) or more | PFA | 3/8 | 3/4 | 3/4 | Standard Packaging Class M5.5 Equivalent | 5 | ||
MYR 1,599.40 | 1 Piece(s) | 27 Day(s) or more | PTFE | 1/2 | 1/2 | 3/4 | Clean Packaging Class M3.5 Equivalent | 5 | ||
MYR 1,598.01 | 1 Piece(s) | 27 Day(s) or more | PTFE | 1/2 | 1/2 | 3/4 | Standard Packaging Class M5.5 Equivalent | 5 | ||
MYR 1,468.95 | 1 Piece(s) | 27 Day(s) or more | PTFE | 3/8 | 3/4 | 3/8 | Clean Packaging Class M3.5 Equivalent | 5 | ||
MYR 1,467.51 | 1 Piece(s) | 27 Day(s) or more | PTFE | 3/8 | 3/4 | 3/8 | Standard Packaging Class M5.5 Equivalent | 5 | ||
MYR 546.53 | 1 Piece(s) | 27 Day(s) or more | PFA | 1/4 | 3/4 | 3/4 | Clean Packaging Class M3.5 Equivalent | 5 | ||
MYR 545.09 | 1 Piece(s) | 27 Day(s) or more | PFA | 1/4 | 3/4 | 3/4 | Standard Packaging Class M5.5 Equivalent | 5 | ||
MYR 1,650.34 | 1 Piece(s) | 27 Day(s) or more | PTFE | 1/2 | 3/8 | 3/4 | Clean Packaging Class M3.5 Equivalent | 5 | ||
MYR 1,648.85 | 1 Piece(s) | 27 Day(s) or more | PTFE | 1/2 | 3/8 | 3/4 | Standard Packaging Class M5.5 Equivalent | 5 | ||
MYR 609.54 | 1 Piece(s) | 27 Day(s) or more | PFA | 1/2 | 1/4 | 3/4 | Standard Packaging Class M5.5 Equivalent | 5 | ||
MYR 609.65 | 1 Piece(s) | 27 Day(s) or more | PFA | 3/8 | 3/4 | 1/2 | Clean Packaging Class M3.5 Equivalent | 5 | ||
MYR 1,650.34 | 1 Piece(s) | 27 Day(s) or more | PTFE | 1/4 | 3/4 | 1/4 | Clean Packaging Class M3.5 Equivalent | 5 | ||
MYR 1,648.85 | 1 Piece(s) | 27 Day(s) or more | PTFE | 1/4 | 3/4 | 1/4 | Standard Packaging Class M5.5 Equivalent | 5 | ||
MYR 1,047.48 | 1 Piece(s) | 27 Day(s) or more | PFA | 1 | 1/2 | 1 | Clean Packaging Class M3.5 Equivalent | 6 | ||
MYR 1,045.35 | 1 Piece(s) | 27 Day(s) or more | PFA | 1 | 1/2 | 1 | Standard Packaging Class M5.5 Equivalent | 6 | ||
MYR 1,047.48 | 1 Piece(s) | 27 Day(s) or more | PFA | 1 | 3/8 | 1 | Clean Packaging Class M3.5 Equivalent | 6 | ||
MYR 1,045.35 | 1 Piece(s) | 27 Day(s) or more | PFA | 1 | 3/8 | 1 | Standard Packaging Class M5.5 Equivalent | 6 | ||
MYR 1,661.02 | 1 Piece(s) | 27 Day(s) or more | PTFE | 1 | 1/4 | 1 | Clean Packaging Class M3.5 Equivalent | 6 | ||
MYR 1,659.59 | 1 Piece(s) | 27 Day(s) or more | PTFE | 1 | 1/4 | 1 | Standard Packaging Class M5.5 Equivalent | 6 | ||
MYR 1,047.48 | 1 Piece(s) | 27 Day(s) or more | PFA | 3/4 | - | 1 | Clean Packaging Class M3.5 Equivalent | 6 | ||
MYR 1,047.48 | 1 Piece(s) | 27 Day(s) or more | PFA | 1/2 | - | 1 | Clean Packaging Class M3.5 Equivalent | 6 | ||
MYR 1,045.35 | 1 Piece(s) | 27 Day(s) or more | PFA | 3/4 | 3/4 | 1 | Standard Packaging Class M5.5 Equivalent | 6 | ||
MYR 1,661.02 | 1 Piece(s) | 27 Day(s) or more | PTFE | 1/2 | 1/2 | 1 | Clean Packaging Class M3.5 Equivalent | 6 | ||
MYR 1,659.59 | 1 Piece(s) | 27 Day(s) or more | PTFE | 1/2 | 1/2 | 1 | Standard Packaging Class M5.5 Equivalent | 6 | ||
MYR 1,047.48 | 1 Piece(s) | 27 Day(s) or more | PFA | 3/8 | - | 1 | Clean Packaging Class M3.5 Equivalent | 6 | ||
MYR 1,944.88 | 1 Piece(s) | 27 Day(s) or more | PTFE | 1/4 | - | 1 | Clean Packaging Class M3.5 Equivalent | 6 | ||
MYR 1,943.39 | 1 Piece(s) | 27 Day(s) or more | PTFE | 1/4 | - | 1 | Standard Packaging Class M5.5 Equivalent | 6 | ||
MYR 2,000.02 | 1 Piece(s) | 27 Day(s) or more | PTFE | 1/4 | 3/4 | 1 | Clean Packaging Class M3.5 Equivalent | 6 | ||
MYR 1,998.64 | 1 Piece(s) | 27 Day(s) or more | PTFE | 1/4 | 3/4 | 1 | Standard Packaging Class M5.5 Equivalent | 6 | ||
MYR 2,000.02 | 1 Piece(s) | 27 Day(s) or more | PTFE | 1/4 | - | 1/4 | Clean Packaging Class M3.5 Equivalent | 6 | ||
MYR 1,998.64 | 1 Piece(s) | 27 Day(s) or more | PTFE | 1/4 | - | 1/4 | Standard Packaging Class M5.5 Equivalent | 6 |
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| Connection Type | Pipe⇔Pipe, different diameters connection | Type | Fitting Body | Pipe-to-Pipe Reducer Connection Type | Reducing Union Tee |
|---|---|---|---|---|---|
| Max. Operating Temperature(°C) | 200 |
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