1R2
Tube OD 1/16, Thread Tx 1/8
- A
- 1.15
- C
- 0.43
- D
- 0.34
- E
- 0.05
- F Hex
- 7/16
- G
- 7/16
- H
- 1
Tube Fittings
Reducer
Imperial Tube OD x Imperial Stub
Reducers are used to connect fractional tubes to imperial stub ends where size transition is required in instrumentation and process piping systems.
Product Image
Technical Drawing
Tube Fitting Product
Short Product Description
Reducers are used to connect fractional tubes to imperial stub ends where size transition is required in instrumentation and process piping systems.
Tube-to-Stub Transition
Connects fractional tube runs to imperial stub ends.
Size Transition
Supports tube size changes in instrumentation layouts.
Instrumentation Duty
Designed for clean routing and dependable installation in instrument and process piping systems.
Imperial Sizes
Reducer Size Chart
Showing 39 of 39 sizes - 0 selected
| Part No. | Tube OD (T) inch | Tx | A | C | D | E | F Hex | G | H | Action |
|---|---|---|---|---|---|---|---|---|---|---|
| 1R2 | 1/16 | 1/8 | 1.15 | 0.43 | 0.34 | 0.05 | 7/16 | 7/16 | 1 | |
| 1R4 | 1/16 | 1/4 | 1.24 | 0.43 | 0.34 | 0.05 | 7/16 | 7/16 | 1.09 | |
| 2R1 | 1/8 | 1/16 | 1.14 | 0.6 | 0.5 | 0.03 | 7/16 | 7/16 | 0.88 | |
| 2R2 | 1/8 | 1/8 | 1.32 | 0.6 | 0.5 | 0.08 | 7/16 | 7/16 | 1.06 | |
| 2R3 | 1/8 | 3/16 | 1.35 | 0.6 | 0.5 | 0.09 | 7/16 | 7/16 | 1.09 | |
| 2R4 | 1/8 | 1/4 | 1.42 | 0.6 | 0.5 | 0.09 | 7/16 | 7/16 | 1.16 | |
| 2R6 | 1/8 | 3/8 | 1.48 | 0.6 | 0.5 | 0.09 | 7/16 | 7/16 | 1.22 | |
| 2R8 | 1/8 | 1/2 | 1.74 | 0.6 | 0.5 | 0.09 | 9/16 | 7/16 | 1.48 | |
| 3R2 | 3/16 | 1/8 | 1.37 | 0.63 | 0.54 | 0.08 | 7/16 | 7/16 | 1.11 | |
| 3R4 | 3/16 | 1/4 | 1.46 | 0.63 | 0.54 | 0.12 | 7/16 | 7/16 | 1.2 | |
| 4R2 | 1/4 | 1/8 | 1.45 | 0.7 | 0.6 | 0.08 | 7/16 | 9/16 | 1.16 | |
| 4R3 | 1/4 | 3/16 | 1.48 | 0.7 | 0.6 | 0.12 | 7/16 | 9/16 | 1.19 | |
| 4R4 | 1/4 | 1/4 | 1.54 | 0.7 | 0.6 | 0.19 | 7/16 | 9/16 | 1.25 | |
| 4R5 | 1/4 | 5/16 | 1.57 | 0.7 | 0.6 | 0.19 | 7/16 | 9/16 | 1.28 | |
| 4R6 | 1/4 | 3/8 | 1.6 | 0.7 | 0.6 | 0.19 | 7/16 | 9/16 | 1.31 | |
| 4R8 | 1/4 | 1/2 | 1.82 | 0.7 | 0.6 | 0.19 | 9/16 | 9/16 | 1.53 | |
| 4R10 | 1/4 | 5/8 | 1.89 | 0.7 | 0.6 | 0.19 | 11/16 | 9/16 | 1.6 | |
| 4R12 | 1/4 | 3/4 | 1.88 | 0.7 | 0.6 | 0.19 | 13/16 | 9/16 | 1.59 | |
| 5R6 | 5/16 | 3/8 | 1.65 | 0.73 | 0.64 | 0.25 | 9/16 | 5/8 | 1.36 | |
| 5R8 | 5/16 | 1/2 | 1.87 | 0.73 | 0.64 | 0.25 | 9/16 | 5/8 | 1.58 | |
| 6R4 | 3/8 | 1/4 | 1.63 | 0.76 | 0.66 | 0.19 | 11/16 | 11/16 | 1.34 | |
| 6R6 | 3/8 | 3/8 | 1.7 | 0.76 | 0.66 | 0.28 | 11/16 | 11/16 | 1.41 | |
| 6R8 | 3/8 | 1/2 | 1.91 | 0.76 | 0.66 | 0.28 | 11/16 | 11/16 | 1.62 | |
| 6R10 | 3/8 | 5/8 | 1.98 | 0.76 | 0.66 | 0.28 | 11/16 | 11/16 | 1.69 | |
| 6R12 | 3/8 | 3/4 | 1.98 | 0.76 | 0.66 | 0.28 | 7/8 | 11/16 | 1.69 | |
| 8R4 | 1/2 | 1/4 | 1.77 | 0.86 | 0.9 | 0.19 | 7/8 | 7/8 | 1.37 | |
| 8R6 | 1/2 | 3/8 | 1.84 | 0.86 | 0.9 | 0.28 | 7/8 | 7/8 | 1.44 | |
| 8R8 | 1/2 | 1/2 | 2.06 | 0.86 | 0.9 | 0.39 | 7/8 | 7/8 | 1.66 | |
| 8R10 | 1/2 | 5/8 | 2.12 | 0.86 | 0.9 | 0.41 | 7/8 | 7/8 | 1.72 | |
| 8R12 | 1/2 | 3/4 | 2.12 | 0.86 | 0.9 | 0.41 | 7/8 | 7/8 | 1.72 | |
| 8R16 | 1/2 | 1 | 2.37 | 0.86 | 0.9 | 0.41 | 1-1/16 | 7/8 | 1.97 | |
| 10R12 | 5/8 | 3/4 | 2.15 | 0.86 | 0.96 | 0.5 | 1 | 1 | 1.75 | |
| 10R14 | 5/8 | 7/8 | 2.21 | 0.86 | 0.96 | 0.5 | 1 | 1 | 1.81 | |
| 10R16 | 5/8 | 1 | 2.4 | 0.86 | 0.96 | 0.5 | 1-1/16 | 1 | 2 | |
| 12R8 | 3/4 | 1/2 | 2.15 | 0.86 | 0.96 | 0.39 | 1-1/16 | 1-1/8 | 1.75 | |
| 12R16 | 3/4 | 1 | 2.46 | 0.86 | 0.96 | 0.62 | 1-1/16 | 1-1/8 | 2.06 | |
| 16R20 | 1 | 1-1/4 | 3.17 | 1.04 | 1.23 | 0.88 | 1-3/8 | 1-1/2 | 2.69 | |
| 16R24 | 1 | 1-1/2 | 3.51 | 1.04 | 1.23 | 0.88 | 1-5/8 | 1-1/2 | 3.03 | |
| 16R32 | 1 | 2 | 4.43 | 1.04 | 1.23 | 0.88 | 2-1/8 | 1-1/2 | 3.95 |
1R4
Tube OD 1/16, Thread Tx 1/4
- A
- 1.24
- C
- 0.43
- D
- 0.34
- E
- 0.05
- F Hex
- 7/16
- G
- 7/16
- H
- 1.09
2R1
Tube OD 1/8, Thread Tx 1/16
- A
- 1.14
- C
- 0.6
- D
- 0.5
- E
- 0.03
- F Hex
- 7/16
- G
- 7/16
- H
- 0.88
2R2
Tube OD 1/8, Thread Tx 1/8
- A
- 1.32
- C
- 0.6
- D
- 0.5
- E
- 0.08
- F Hex
- 7/16
- G
- 7/16
- H
- 1.06
2R3
Tube OD 1/8, Thread Tx 3/16
- A
- 1.35
- C
- 0.6
- D
- 0.5
- E
- 0.09
- F Hex
- 7/16
- G
- 7/16
- H
- 1.09
2R4
Tube OD 1/8, Thread Tx 1/4
- A
- 1.42
- C
- 0.6
- D
- 0.5
- E
- 0.09
- F Hex
- 7/16
- G
- 7/16
- H
- 1.16
2R6
Tube OD 1/8, Thread Tx 3/8
- A
- 1.48
- C
- 0.6
- D
- 0.5
- E
- 0.09
- F Hex
- 7/16
- G
- 7/16
- H
- 1.22
2R8
Tube OD 1/8, Thread Tx 1/2
- A
- 1.74
- C
- 0.6
- D
- 0.5
- E
- 0.09
- F Hex
- 9/16
- G
- 7/16
- H
- 1.48
3R2
Tube OD 3/16, Thread Tx 1/8
- A
- 1.37
- C
- 0.63
- D
- 0.54
- E
- 0.08
- F Hex
- 7/16
- G
- 7/16
- H
- 1.11
3R4
Tube OD 3/16, Thread Tx 1/4
- A
- 1.46
- C
- 0.63
- D
- 0.54
- E
- 0.12
- F Hex
- 7/16
- G
- 7/16
- H
- 1.2
4R2
Tube OD 1/4, Thread Tx 1/8
- A
- 1.45
- C
- 0.7
- D
- 0.6
- E
- 0.08
- F Hex
- 7/16
- G
- 9/16
- H
- 1.16
4R3
Tube OD 1/4, Thread Tx 3/16
- A
- 1.48
- C
- 0.7
- D
- 0.6
- E
- 0.12
- F Hex
- 7/16
- G
- 9/16
- H
- 1.19
4R4
Tube OD 1/4, Thread Tx 1/4
- A
- 1.54
- C
- 0.7
- D
- 0.6
- E
- 0.19
- F Hex
- 7/16
- G
- 9/16
- H
- 1.25
4R5
Tube OD 1/4, Thread Tx 5/16
- A
- 1.57
- C
- 0.7
- D
- 0.6
- E
- 0.19
- F Hex
- 7/16
- G
- 9/16
- H
- 1.28
4R6
Tube OD 1/4, Thread Tx 3/8
- A
- 1.6
- C
- 0.7
- D
- 0.6
- E
- 0.19
- F Hex
- 7/16
- G
- 9/16
- H
- 1.31
4R8
Tube OD 1/4, Thread Tx 1/2
- A
- 1.82
- C
- 0.7
- D
- 0.6
- E
- 0.19
- F Hex
- 9/16
- G
- 9/16
- H
- 1.53
4R10
Tube OD 1/4, Thread Tx 5/8
- A
- 1.89
- C
- 0.7
- D
- 0.6
- E
- 0.19
- F Hex
- 11/16
- G
- 9/16
- H
- 1.6
4R12
Tube OD 1/4, Thread Tx 3/4
- A
- 1.88
- C
- 0.7
- D
- 0.6
- E
- 0.19
- F Hex
- 13/16
- G
- 9/16
- H
- 1.59
5R6
Tube OD 5/16, Thread Tx 3/8
- A
- 1.65
- C
- 0.73
- D
- 0.64
- E
- 0.25
- F Hex
- 9/16
- G
- 5/8
- H
- 1.36
5R8
Tube OD 5/16, Thread Tx 1/2
- A
- 1.87
- C
- 0.73
- D
- 0.64
- E
- 0.25
- F Hex
- 9/16
- G
- 5/8
- H
- 1.58
6R4
Tube OD 3/8, Thread Tx 1/4
- A
- 1.63
- C
- 0.76
- D
- 0.66
- E
- 0.19
- F Hex
- 11/16
- G
- 11/16
- H
- 1.34
6R6
Tube OD 3/8, Thread Tx 3/8
- A
- 1.7
- C
- 0.76
- D
- 0.66
- E
- 0.28
- F Hex
- 11/16
- G
- 11/16
- H
- 1.41
6R8
Tube OD 3/8, Thread Tx 1/2
- A
- 1.91
- C
- 0.76
- D
- 0.66
- E
- 0.28
- F Hex
- 11/16
- G
- 11/16
- H
- 1.62
6R10
Tube OD 3/8, Thread Tx 5/8
- A
- 1.98
- C
- 0.76
- D
- 0.66
- E
- 0.28
- F Hex
- 11/16
- G
- 11/16
- H
- 1.69
6R12
Tube OD 3/8, Thread Tx 3/4
- A
- 1.98
- C
- 0.76
- D
- 0.66
- E
- 0.28
- F Hex
- 7/8
- G
- 11/16
- H
- 1.69
8R4
Tube OD 1/2, Thread Tx 1/4
- A
- 1.77
- C
- 0.86
- D
- 0.9
- E
- 0.19
- F Hex
- 7/8
- G
- 7/8
- H
- 1.37
8R6
Tube OD 1/2, Thread Tx 3/8
- A
- 1.84
- C
- 0.86
- D
- 0.9
- E
- 0.28
- F Hex
- 7/8
- G
- 7/8
- H
- 1.44
8R8
Tube OD 1/2, Thread Tx 1/2
- A
- 2.06
- C
- 0.86
- D
- 0.9
- E
- 0.39
- F Hex
- 7/8
- G
- 7/8
- H
- 1.66
8R10
Tube OD 1/2, Thread Tx 5/8
- A
- 2.12
- C
- 0.86
- D
- 0.9
- E
- 0.41
- F Hex
- 7/8
- G
- 7/8
- H
- 1.72
8R12
Tube OD 1/2, Thread Tx 3/4
- A
- 2.12
- C
- 0.86
- D
- 0.9
- E
- 0.41
- F Hex
- 7/8
- G
- 7/8
- H
- 1.72
8R16
Tube OD 1/2, Thread Tx 1
- A
- 2.37
- C
- 0.86
- D
- 0.9
- E
- 0.41
- F Hex
- 1-1/16
- G
- 7/8
- H
- 1.97
10R12
Tube OD 5/8, Thread Tx 3/4
- A
- 2.15
- C
- 0.86
- D
- 0.96
- E
- 0.5
- F Hex
- 1
- G
- 1
- H
- 1.75
10R14
Tube OD 5/8, Thread Tx 7/8
- A
- 2.21
- C
- 0.86
- D
- 0.96
- E
- 0.5
- F Hex
- 1
- G
- 1
- H
- 1.81
10R16
Tube OD 5/8, Thread Tx 1
- A
- 2.4
- C
- 0.86
- D
- 0.96
- E
- 0.5
- F Hex
- 1-1/16
- G
- 1
- H
- 2
12R8
Tube OD 3/4, Thread Tx 1/2
- A
- 2.15
- C
- 0.86
- D
- 0.96
- E
- 0.39
- F Hex
- 1-1/16
- G
- 1-1/8
- H
- 1.75
12R16
Tube OD 3/4, Thread Tx 1
- A
- 2.46
- C
- 0.86
- D
- 0.96
- E
- 0.62
- F Hex
- 1-1/16
- G
- 1-1/8
- H
- 2.06
16R20
Tube OD 1, Thread Tx 1-1/4
- A
- 3.17
- C
- 1.04
- D
- 1.23
- E
- 0.88
- F Hex
- 1-3/8
- G
- 1-1/2
- H
- 2.69
16R24
Tube OD 1, Thread Tx 1-1/2
- A
- 3.51
- C
- 1.04
- D
- 1.23
- E
- 0.88
- F Hex
- 1-5/8
- G
- 1-1/2
- H
- 3.03
16R32
Tube OD 1, Thread Tx 2
- A
- 4.43
- C
- 1.04
- D
- 1.23
- E
- 0.88
- F Hex
- 2-1/8
- G
- 1-1/2
- H
- 3.95