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Reducing Union
![](wp-content/uploads/2020/11/SP6C0432.png")
![](wp-content/uploads/2021/03/reducing-union-diagram.png")
For fractional Tubes connection
| TUBE OD | TUBE OD | DIMENSIONS IN INCH | PART NO. | ||||
|---|---|---|---|---|---|---|---|
| T | Tx | E | F | G | Gx | L | |
| 3/16 | 1/8 | 0.09 | 7/16 | 1/2 | 7/16 | 0.92 | ARU-3-2 |
| 1/4 | 1/8 | 0.09 | 1/2 | 9/16 | 7/16 | 0.97 | ARU-4-2 |
| 1/4 | 3/16 | 0.12 | 1/2 | 9/16 | 1/2 | 1.00 | ARU-4-3 |
| 5/16 | 1/8 | 0.09 | 9/16 | 5/8 | 7/16 | 1.01 | ARU-5-2 |
| 5/16 | 1/4 | 0.19 | 9/16 | 5/8 | 9/16 | 1.08 | ARU-5-4 |
| 3/8 | 1/8 | 0.09 | 5/8 | 11/16 | 7/16 | 1.06 | ARU-6-2 |
| 3/8 | 1/4 | 0.19 | 5/8 | 11/16 | 9/16 | 1.12 | ARU-6-4 |
| 3/8 | 5/16 | 0.25 | 5/8 | 11/16 | 5/8 | 1.16 | ARU-6-5 |
| 1/2 | 1/8 | 0.09 | 13/16 | 7/8 | 7/16 | 1.12 | ARU-8-2 |
| 1/2 | 1/4 | 0.19 | 13/16 | 7/8 | 9/16 | 1.16 | ARU-8-4 |
| 1/2 | 3/8 | 0.28 | 13/16 | 7/8 | 11/16 | 1.22 | ARU-8-6 |
| 5/8 | 3/8 | 0.28 | 15/16 | 1 | 11/16 | 1.25 | ARU-10-6 |
| 5/8 | 1/2 | 0.41 | 15/16 | 1 | 7/8 | 1.25 | ARU-10-8 |
| 3/4 | 1/4 | 0.19 | 1 1/16 | 11/8 | 9/16 | 1.25 | ARU-12-4 |
| 3/4 | 3/8 | 0.28 | 1 1/16 | 11/8 | 11/16 | 1.31 | ARU-12-6 |
| 3/4 | 1/2 | 0.41 | 1 1/16 | 11/8 | 7/8 | 1.31 | ARU-12-8 |
| 3/4 | 5/8 | 0.50 | 1 1/16 | 11/8 | 1 | 1.31 | ARU-12-10 |
| 1 | 1/2 | 0.41 | 1 3/8 | 11/2 | 7/8 | 1.50 | ARU-16-8 |
| 1 | 3/4 | 0.62 | 1 3/8 | 11/2 | 11/8 | 1.50 | ARU-16-12 |