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Union 
UU 

UU Union

Connects Fractional(Inch) Tube

Part No.

Tube OD
T

Dimensions (mm)

E
Min.

h

H

F

G

I

L

inch

mm

inch

mm

inch

mm

UU-01

1/16

1.58

1.3

5/16

7.93

5/16

7.93

9.0

11.1

17.5

25.5

UU-02

1/8

3.17

2.3

7/16

11.11

7/16

11.11

12.8

15.4

22.4

36.0

UU-03

3/16

4.76

3.0

7/16

11.1

1/2

12.7

14.0

16.4

24.1

37.9

UU-04

1/4

6.35

4.8

1/2

12.70

9/16

14.28

15.1

17.4

26.2

40.5

UU-05

5/16

7.93

6.4

9/16

14.28

5/8

15.87

16.6

18.8

28.2

43.6

UU-06

3/8

9.52

7.0

5/8

15.87

11/16

17.46

16.7

18.9

30.2

44.8

UU-08

1/2

12.7

10.0

13/16

20.63

7/8

22.22

22.7

21.6

31.0

51.0

UU-10

5/8

15.87

12.0

15/16

23.81

1

25.40

24.5

22.0

31.8

52.2

UU-12

3/4

19.05

16.0

1-1/16

26.98

1-1/8

28.57

24.4

21.9

33.3

53.5

UU-14

7/8

22.22

18.0

1/3/16

30.16

1-1/4

31.75

26.0

22.0

35.1

55.4

UU-16

1

25.4

22.0

1-3/8

34.92

1-1/2

38.10

31.1

26.1

40.4

64.6

UU-20

1-1/4

31.75

27.0

1-3/4

44.44

1-7/8

47.63

41.0

39.0

48.0

92.0

UU-24

1-1/2

38.1

34.0

2-1/8

53.97

2-1/4

57.15

50.1

45.3

58.4

113.0

UU-32

2

50.8

46.0

2-3/4

69.85

3

76.20

69.1

63.5

74.6

150.8

Connects Metric Tube

Part No.

Tube OD
T

Dimensions (mm)

E
Min.

h

H

F

G

l

L

mm

mm

mm

UU-M02

2

1.7

11.11

11.11

12.8

15.1

22.4

35.4

UU-M03

3

2.3

11.11

11.11

12.7

15.3

22.1

35.4

UU-M04

4

2.3

11.11

12.70

13.7

16.1

24.1

37.1

UU-M06

6

4.8

12.70

14.28

15.3

17.6

26.2

41.0

UU-M08

8

6.4

14.28

15.87

16.3

18.7

28.2

43.4

UU-M10

10

8.0

17.46

19.05

17.3

19.5

31.0

46.5

UU-M12

12

9.5

20.63

22.22

22.8

21.7

31.0

51.3

UU-M14

14

11.5

22.22

23.81

24.8

22.3

31.8

52.7

UU-M15

15

12.0

23.81

25.40

24.4

22.0

31.8

52.0

UU-M16

16

12.0

23.81

25.40

24.5

22.0

31.8

52.2

UU-M18

18

16.0

26.98

30.16

24.5

22.0

33.3

53.7

UU-M20

20

18.0

30.16

31.75

26.2

22.1

34.8

55.3

UU-M22

22

18.0

30.16

31.75

26.2

22.1

34.8

55.3

UU-M25

25

22.0

34.92

38.10

31.1

26.1

40.4

65.0

UU-M28

28

22.0

44.45

47.63

41.1

38.8

43.4

87.6

UU-M30

30

26.0

44.45

47.50

41.1

38.8

49.5

93.7

UU-M32

32

27.0

44.44

47.50

40.9

38.6

51.3

95.1

UU-M38

38

33.0

55.56

57.15

49.9

45.1

58.4

112.7

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