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Tube Fittings

Reducing Union

Fractional Tube to Fractional Tube
Tube O.D E
Min
h H H1 F F1 G G1 I L1
T T 1
in mm in mm in mm in mm in mm
3/16 4.76 1/8 3.17 2.3 7/16 11.11 1/2 12.70 7/16 11.11 13.7 12.7 16.0 15.2 23.4 36.6
1/4
1/4
6.35
6.35
1/8
3/16
3.17
4.76
2.3
3.0
1/2
1/2
12.70
12.70
9/16
9/16
14.28
14.28
7/16
1/2
11.11
12.70
15.2
15.2
12.7
13.7
17.8
17.8
15.2
16.0
24.6
25.4
38.6
39.4
5/16
5/16
7.93
7.93
1/8
1/4
3.17
6.35
2.3
4.8
9/16
9/16
14.28
14.28
5/8
5/8
15.87
15.87
7/16
9/16
11.11
14.28
16.3
16.3
12.7
15.2
18.5
18.5
15.2
17.8
25.9
27.4
39.9
42.2
3/8
3/8
3/8
9.52
9.52
9.52
1/8
1/4
5/16
3.17
6.35
7.93
2.3
4.8
6.4
5/8
5/8
5/8
15.87
15.87
15.87
11/16
11/16
11/16
17.46
17.46
17.46
7/16
9/16
5/8
11.11
14.28
15.87
16.8
16.8
16.8
12.7
15.2
16.3
19.3
19.3
19.3
15.2
17.8
18.5
26.9
28.4
29.5
40.9
43.2
44.2
1/2
1/2
1/2
12.70
12.70
12.70
1/8
1/4
3/8
3.17
6.35
9.52
2.3
4.8
7.0
13/16
13/16
13/16
20.63
20.63
20.63
7/8
7/8
7/8
22.22
22.22
22.22
7/16
9/16
11/16
11.11
14.28
17.46
22.9
22.9
22.9
12.7
15.2
16.8
21.8
21.8
17.8
15.2
17.8
19.3
28.4
29.5
31.0
45.2
47.0
48.5
5/8
5/8
15.87
15.87
3/8
1/2
9.52
12.70
7.0
10.0
15/16
15/16
23.81
23.81
1
1
25.40
25.40
11/16
7/8
17.46
22.22
24.4
24.4
16.8
22.9
21.8
21.8
19.3
21.8
31.8
31.8
49.3
52.1
3/4
3/4
3/4
3/4
19.05
19.05
19.05
19.05
1/4
3/8
1/2
5/8
6.35
9.52
12.70
15.87
4.8
7.0
10.0
12.0
1-1/16
1-1/16
1-1/16
1-1/16
26.98
26.98
26.98
26.98
1-1/8
1-1/8
1-1/8
1-1/8
28.57
28.57
28.57
28.57
9/16
11/16
7/8
1
14.28
17.46
22.22
25.40
24.4
24.4
24.4
24.4
15.2
16.8
22.9
24.4
21.8
21.8
21.8
21.8
17.8
19.3
21.8
21.8
31.8
33.3
33.3
33.3
49.3
50.8
53.6
53.6
1
1
25.40
25.40
1/2
3/4
12.70
19.05
10.0
16.0
1-3/8
1-3/8
34.92
34.92
1-1/2
1-1/2
38.10
38.10
7/8
1-1/8
22.22
28.57
31.2
31.2
22.9
24.4
26.4
26.4
21.8
21.8
40.9
40.9
63.2
62.7
Metric Tube to Metric Tube
Tube O.D E
Min
Width across flat F F1 G G1 I L
T(mm) T1(mm) h H H1
6
6
3
4
2.3
2.3
12.7
12.7
14.3
14.3
11.1
12.7
15.3
15.3
12.9
13.7
17.7
17.7
15.3
16.1
24.6
25.4
38.6
39.4
8 6 4.8 14.3 15.9 14.3 16.2 15.3 18.6 17.7 27.4 42.3
10
10
6
8
4.8
6.4
17.5
17.5
19.1
22.2
14.3
15.9
17.2
17.2
15.3
16.2
19.5
19.5
17.7
18.6
29.5
30.0
44.5
45.1
12
12
12
6
8
10
4.8
6.4
8.0
20.6
20.6
20.6
22.2
22.2
22.2
14.3
15.9
19.1
22.8
22.8
22.8
15.3
16.2
17.2
22.0
22.0
22.0
17.7
18.6
19.5
29.5
30.2
31.0
47.0
47.8
48.7
16 12 10.0 23.8 25.4 22.2 24.4 22.8 22.0 22.0 31.8 52.0
25
25
18
20
15.0
16.0
34.9
34.9
38.1
38.1
30.2
31.8
31.3
31.3
24.4
26.0
26.5
26.5
22.0
22.0
38.6
39.9
61.0
62.3
Metric Tube to Fractional Tube
Tube O.D E
Min
Width across flat F F1 G G1 I L
D
(mm)
D1 h H H1
in mm
3 1/8 3.17 2.3 11.1 11.1 11.1 12.9 12.8 15.3 15.2 22.1 35.2
4
4
1/8
1/4
3.17
6.35
2.3
2.3
11.1
14.3
12.7
12.7
11.1
14.3
13.7
13.7
12.8
15.3
16.1
16.1
15.2
17.7
23.4
25.4
36.5
39.4
6
6
6
1/8
1/4
5/16
3.17
6.35
7.93
2.3
4.8
4.8
12.7
12.7
14.3
14.3
14.3
14.3
11.1
14.3
15.9
15.3
15.3
15.3
12.8
15.8
16.2
17.7
17.7
17.7
15.2
17.7
18.6
24.6
26.2
27.4
38.5
41.0
42.3
8 1/4 6.35 4.8 14.3 15.9 14.3 16.2 15.3 18.6 17.7 27.4 42.3
10
10
10
10
1/8
1/4
5/16
3/8
3.17
6.35
7.93
9.52
2.3
4.8
6.4
7.0
17.5
17.5
17.5
17.5
19.1
19.1
19.1
19.1
11.1
14.3
15.9
17.5
17.2
17.2
17.2
17.2
16.2
15.3
12.8
15.3
19.5
19.5
19.5
19.5
15.2
17.7
18.6
19.2
27.7
29.5
30.0
31.0
41.8
44.5
45.1
45.9
12
12
12
5/16
3/8
1/2
7.93
9.52
12.70
6.4
7.0
10.0
20.6
20.6
20.6
22.2
22.2
22.2
15.9
17.5
22.2
22.8
22.8
22.8
16.2
16.9
22.8
22.0
22.0
22.0
18.6
19.2
22.0
30.2
31.0
31.0
47.8
48.4
51.2
15 1/2 12.70 10.0 23.8 25.4 22.2 24.4 22.8 22.0 22.0 31.8 52.0
16 5/8 15.87 12.0 23.8 25.4 25.4 24.4 24.4 22.0 22.0 31.8 52.0
18 3/4 19.05 15.0 27.0 30.2 28.6 24.4 24.4 22.0 22.0 31.8 53.5
 

All Dimensions are for reference only, and are subject to change without prior Notice
Sizes and types other than featured above are available on request.

 

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