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Union LQ3U Inch Size Fluoropolymer Fittings Hyper Fittings
Fluoropolymer fittings from SMC Corporation.
[Features]
· Flare-type collet construction.
· Triple-seal construction.
· Ease of installation.
· Excellent flow-through characteristics.
· Excellent heat resistance.
· Can be used at 200°C.
[Applications]
· For joining tubes during piping assembly.
(i)Caution
- For specifications and details, please refer to the catalog.
- Product images may be representative images. Refer to the catalog for details.
Part Number
Configured Part Number is shown.
Union: LQ3U Inch Size Outline Drawing and Dimensions
Union: LQ3U Outline Drawing
Union: LQ3U Outline Drawing (for sizes 7, 8)
| Model | Applicable Tubing Outer Diameter | E | E' | H | L | L' | M | W |
|---|---|---|---|---|---|---|---|---|
| LQ3U1A | 1/8 " | 10 | 9 | 11 | 46.5 | 44.5 | 14 | 10 |
| LQ3U2A | 1/4 " | 17 | 16 | 16 | 57 | 55 | 20 | 14 |
| LQ3U3A | 3/8 " | 22.5 | 19.5 | 21 | 79 | 73 | 25 | 18 |
| LQ3U4A | 1/2 " | 24.5 | 22.5 | 24 | 88 | 84 | 29 | 22 |
| LQ3U5A | 3/4 " | 26.5 | 24 | 32 | 103 | 98 | 37 | 30 |
| LQ3U6A | 1 " | 30 | 26 | 41 | 122 | 113.5 | 49 | 36 |
| LQ3U7A | 1 1/4 " | 35 | 35 | 50 | 142 | 142 | 64 | 46 |
| LQ3U8A | 1 1/2 " | 39 | - | 60 | 152 | - | 77 | 55 |
- (E, E'): Reference dimension for the inserted tubing from the end surface of the nut.
- (E'), L': Nut material PVDF dimensions.
- W: Width across flats dimension.
Fluoropolymer Fittings Hyper Fittings / Flare-Type LQ3 Series Common Specifications (Reference)
Construction
LQ3 Series Construction
Specifications
| Material | New PFA | |
|---|---|---|
| Maximum operating pressure (at 20°C) | 1.0 MPa | |
| Proof pressure | Refer to the withstand pressure and heat resistance performance data. | |
| Operating Temperature | Nut material PVDF | 0 to 150°C |
| Nut material PFA | 0 to 200°C | |
Withstand Pressure and Heat Resistance Performance
Withstand Pressure and Heat Resistance Performance Data
Precautions
- Use special tools to connect tubing.
- Tighten the nut until it touches the end surface of the body, and then tighten it an additional 1/8 turn to ensure that the nut has reached the end surface. If the nut will not turn any further, then it means a sufficient tightening has occurred. Refer to the proper tightening torques shown below.
| Body size | Torque (N·m) |
|---|---|
| 1 | 0.7 to 0.9 |
| 2 | 1.6 to 1.8 |
| 3 | 3.2 to 3.5 |
| 4 | 5.0 to 5.3 |
| 5 | 10.0 to 10.5 |
| 6 | 22.5 to 23.0 |
| 7 | 23.0 to 26.5 |
| Part Number |
|---|
| LQ3U5A |
| LQ3U5A-1 |
| LQ3U5A-2 |
| LQ3U5A-3 |
| Part Number | Standard Unit Price | Minimum order quantity | Volume Discount | Days to Ship | Applicable Tube O.D. (inch) D (D1) | Maximum Operating Temperature (°C) | Packing | Nut Material | Size of Body |
|---|---|---|---|---|---|---|---|---|---|
MYR 371.25 | 1 Piece(s) | 21 Day(s) | 3/4 | 200 | Clean Packaging Class M3.5 Equivalent | PFA | 5 | ||
- | 1 Piece(s) | Quote | 3/4 | 200 | Standard Packaging Class M5.5 Equivalent | PFA | 5 | ||
- | 1 Piece(s) | Quote | 3/4 | 150 | Clean Packaging Class M3.5 Equivalent | PVDF | 5 | ||
MYR 265.32 | 1 Piece(s) | 21 Day(s) | 3/4 | 150 | Standard Packaging Class M5.5 Equivalent | PVDF | 5 |
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Basic Information
| Connection Type | Pipe⇔Pipe, same diameters connection | Type | Fitting Body | Material | PFA |
|---|---|---|---|---|---|
| Pipe-to-Pipe Equal Dia. Connection Type | Union |
Specification/Dimensions
-
Maximum Operating Temperature(°C)
-
Packing
- Clean Packaging Class M3.5 Equivalent
- Standard Packaging Class M5.5 Equivalent
-
Nut Material
- PFA
- PVDF
-
Size of Body
- 1
- 2
- 3
- 4
- 5
- 6
- 7
- 8
-
type
- LQ3H□□-□□-□
-
Applicable Tube O.D. (inch) D (D1)
-
CAD
- 2D
- 3D
Days to Ship
-
- All
- 21 Day(s) or Less
- 31 Day(s) or Less
Specify Alterations
- The specifications and dimensions of some parts may not be fully covered. For exact details, refer to manufacturer catalogs .
Additional Products in this Category
- Fluororesin Couplings - Unions
- Fluoropolymer Pipe Fitting, LQ1 Series, Male Connector, Inch Size
- Fluoropolymer Pipe Fitting, LQ1 Series, Female Run Tee, Metric Size
- Fluoropolymer Pipe Fitting, LQ1 Series, Tubing Extension Union Elbow, Metric Size
- Fluoropolymer Pipe Fitting, LQ3 Series, Panel-Mount Union, Inch Size
- Fluoropolymer Pipe Fitting, LQ3 Series, Tubing Extension Straight Connector, Inch Size
- Fluoropolymer Needle Valve LVN Series
- Fluoropolymer Pipe Fittings Hyper Fitting LQ3 Series Space-Saving Fitting
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