1U
Tube OD 1/16, Thread Tube OD T2 1/16
- A
- 0.99
- B
- 0.43
- C
- 0.34
- D
- 0.34
- E
- 0.05
- F Hex
- 7/16
- G
- 7/16
- H
- 0.69
Tube Fittings
Union
Imperial Tube OD x Imperial Tube OD
Unions are used to connect two fractional tubes of the same size in instrumentation and process piping systems.
Product Image
Technical Drawing
Tube Fitting Product
Short Product Description
Unions are used to connect two fractional tubes of the same size in instrumentation and process piping systems.
Tube-to-Tube Connection
Connects two fractional tube runs of the same size.
Inline Coupling
Supports straight tube routing in instrumentation layouts.
Instrumentation Duty
Designed for clean routing and dependable installation in instrument and process piping systems.
Imperial Sizes
Union Size Chart
Showing 11 of 11 sizes - 0 selected
| Part No. | Tube OD (T) inch | Tube OD (T2) inch | A | B | C | D | E | F Hex | G | H | Action |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 1U | 1/16 | 1/16 | 0.99 | 0.43 | 0.34 | 0.34 | 0.05 | 7/16 | 7/16 | 0.69 | |
| 2U | 1/8 | 1/8 | 1.4 | 0.6 | 0.5 | 0.5 | 0.09 | 7/16 | 7/16 | 0.88 | |
| 3U | 3/16 | 3/16 | 1.47 | 0.63 | 0.54 | 0.54 | 0.12 | 7/16 | 7/16 | 0.95 | |
| 4U | 1/4 | 1/4 | 1.61 | 0.7 | 0.6 | 0.6 | 0.19 | 7/16 | 9/16 | 1.03 | |
| 5U | 5/16 | 5/16 | 1.69 | 0.73 | 0.64 | 0.64 | 0.25 | 5/8 | 5/8 | 1.11 | |
| 6U | 3/8 | 3/8 | 1.77 | 0.76 | 0.66 | 0.66 | 0.28 | 11/16 | 11/16 | 1.19 | |
| 8U | 1/2 | 1/2 | 2.02 | 0.86 | 0.9 | 0.9 | 0.41 | 7/8 | 7/8 | 1.22 | |
| 10U | 5/8 | 5/8 | 2.05 | 0.86 | 0.96 | 0.96 | 0.5 | 1 | 1 | 1.25 | |
| 12U | 3/4 | 3/4 | 2.11 | 0.86 | 0.96 | 0.96 | 0.62 | 1-1/8 | 1-1/8 | 1.31 | |
| 14U | 7/8 | 7/8 | 2.17 | 0.86 | 1.02 | 1.02 | 0.72 | 1-1/4 | 1-1/4 | 1.37 | |
| 16U | 1 | 1 | 2.55 | 1.04 | 1.23 | 1.23 | 0.88 | 1-1/2 | 1-1/2 | 1.59 |
2U
Tube OD 1/8, Thread Tube OD T2 1/8
- A
- 1.4
- B
- 0.6
- C
- 0.5
- D
- 0.5
- E
- 0.09
- F Hex
- 7/16
- G
- 7/16
- H
- 0.88
3U
Tube OD 3/16, Thread Tube OD T2 3/16
- A
- 1.47
- B
- 0.63
- C
- 0.54
- D
- 0.54
- E
- 0.12
- F Hex
- 7/16
- G
- 7/16
- H
- 0.95
4U
Tube OD 1/4, Thread Tube OD T2 1/4
- A
- 1.61
- B
- 0.7
- C
- 0.6
- D
- 0.6
- E
- 0.19
- F Hex
- 7/16
- G
- 9/16
- H
- 1.03
5U
Tube OD 5/16, Thread Tube OD T2 5/16
- A
- 1.69
- B
- 0.73
- C
- 0.64
- D
- 0.64
- E
- 0.25
- F Hex
- 5/8
- G
- 5/8
- H
- 1.11
6U
Tube OD 3/8, Thread Tube OD T2 3/8
- A
- 1.77
- B
- 0.76
- C
- 0.66
- D
- 0.66
- E
- 0.28
- F Hex
- 11/16
- G
- 11/16
- H
- 1.19
8U
Tube OD 1/2, Thread Tube OD T2 1/2
- A
- 2.02
- B
- 0.86
- C
- 0.9
- D
- 0.9
- E
- 0.41
- F Hex
- 7/8
- G
- 7/8
- H
- 1.22
10U
Tube OD 5/8, Thread Tube OD T2 5/8
- A
- 2.05
- B
- 0.86
- C
- 0.96
- D
- 0.96
- E
- 0.5
- F Hex
- 1
- G
- 1
- H
- 1.25
12U
Tube OD 3/4, Thread Tube OD T2 3/4
- A
- 2.11
- B
- 0.86
- C
- 0.96
- D
- 0.96
- E
- 0.62
- F Hex
- 1-1/8
- G
- 1-1/8
- H
- 1.31
14U
Tube OD 7/8, Thread Tube OD T2 7/8
- A
- 2.17
- B
- 0.86
- C
- 1.02
- D
- 1.02
- E
- 0.72
- F Hex
- 1-1/4
- G
- 1-1/4
- H
- 1.37
16U
Tube OD 1, Thread Tube OD T2 1
- A
- 2.55
- B
- 1.04
- C
- 1.23
- D
- 1.23
- E
- 0.88
- F Hex
- 1-1/2
- G
- 1-1/2
- H
- 1.59