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Reducing Union 
URU 

URU Reducing Union

Connects Fractional(Inch) Tube

Part No.

Tube OD
T

Tube OD
T1

Dimensions (mm)

E
Min.

E1
Min.

h

H

H1

F

F1

G

G1

l

L

inch

mm

inch

mm

inch

mm

inch

mm

inch

mm

URU-0201

1/8

3.17

1/16

1.68

2.3

1.3

7/16

11.11

7/16

11.11

5/16

7.93

12.8

9.0

15.4

11.1

20.6

31.4

URU-0301

3/16

4.76

1/16

1.68

3.0

1.3

7/16

11.11

1/2

12.70

5/16

7.93

14.0

9.0

16.4

11.1

21.9

32.8

URU-0302

3/16

4.76

1/8

3.17

3.0

2.3

7/16

11.11

1/2

12.70

7/16

11.11

14.0

12.8

16.4

15.4

23.4

37.1

URU-0401

1/4

6.35

1/16

1.68

4.8

1.3

1/2

12.70

9/16

14.28

5/16

7.93

15.1

9.0

17.4

11.1

23.1

34.3

URU-0402

1/4

6.35

1/8

3.17

4.8

2.3

1/2

12.70

9/16

14.28

7/16

11.11

15.1

12.8

17.4

15.4

24.6

38.6

URU-0403

1/4

6.35

3/16

4.76

4.8

3.0

1/2

12.70

9/16

14.28

1/2

12.70

15.1

14.0

17.4

16.4

25.4

39.5

URU-0502

5/16

7.93

1/8

3.17

6.4

2.3

9/16

14.28

5/8

15.87

7/16

11.11

16.6

12.8

18.8

15.4

25.9

40.4

URU-0504

5/16

7.93

1/4

6.35

6.4

4.8

9/16

14.28

5/8

15.87

9/16

14.28

17.0

15.1

19.0

17.4

27.4

42.3

URU-0602

3/8

9.52

1/8

3.17

7.0

2.3

5/8

15.87

11/16

17.46

7/16

11.11

16.7

12.8

18.9

15.4

26.9

41.0

URU-0604

3/8

9.52

1/4

6.35

7.0

4.8

5/8

15.87

11/16

17.46

9/16

14.28

16.7

15.1

18.9

17.4

28.4

42.9

URU-0605

3/8

9.52

5/16

7.93

6.4

6.4

5/8

15.87

11/16

17.46

5/8

15.87

16.7

16.6

18.9

18.8

29.5

44.5

URU-0802

1/2

12.7

1/8

3.17

10.0

2.3

13/16

20.63

7/8

22.22

7/16

11.11

22.7

12.8

21.6

15.4

27.9

44.7

URU-0804

1/2

12.7

1/4

6.35

10.0

4.8

13/16

20.63

7/8

22.22

9/16

14.28

22.7

15.1

21.6

17.4

29.5

46.7

URU-0806

1/2

12.7

3/8

9.52

10.0

7.0

13/16

20.63

7/8

22.22

11/16

17.46

22.7

16.7

21.6

18.9

31.0

48.3

URU-1006

5/8

15.87

3/8

9.52

12.0

7.0

15/16

23.81

1

25.40

11/16

17.46

24.5

16.7

22.0

18.9

31.8

49.3

URU-1008

5/8

15.87

1/2

12.7

12.0

10.0

15/16

23.81

1

25.40

7/8

22.22

24.5

22.7

22.0

21.6

31.8

52.0

URU-1204

3/4

19.05

1/4

6.35

16.0

4.8

1-1/16

26.98

1-1/8

28.57

9/16

14.28

24.4

15.1

21.9

17.4

31.8

49.1

URU-1206

3/4

19.05

3/8

9.52

16.0

7.0

1-1/16

26.98

1-1/8

28.57

11/16

17.46

24.4

16.7

21.9

18.9

33.3

50.7

URU-1208

3/4

19.05

1/2

12.7

16.0

10.0

1-1/16

26.98

1-1/8

28.57

7/8

22.22

24.4

22.7

21.9

21.6

33.3

53.4

URU-1210

3/4

19.05

5/8

15.87

16.0

12.0

1-1/16

26.98

1-1/8

28.57

1

25.40

24.4

24.5

21.9

22.0

33.3

53.6

URU-1608

1

25.4

1/2

12.7

22.0

10.0

1-3/8

34.92

1-1/2

38.10

7/8

22.22

31.1

22.7

26.1

21.6

40.9

63.0

URU-1612

1

25.4

3/4

19.05

22.0

16.0

1-3/8

34.92

1-1/2

38.10

1-1/8

28.57

31.1

24.4

26.1

21.9

40.9

63.1

URU-2016

1-1/4

31.75

1

25.4

22.0

22.0

1-3/4

44.44

1-7/8

47.63

1-1/2

38.10

40.8

31.1

38.5

26.1

45.0

78.9


Connects Metric Tube

Part No.

Tube OD
T

Tube OD
T1

Dimensions (mm)

E
Min.

E1
Min.

h

H

H1

F

F1

G

G1

l

L

mm

mm

mm

mm

mm

URU-M06M03

6

3

4.8

2.3

12.70

14.28

11.11

15.3

12.7

17.6

15.3

24.6

38.7

URU-M06M04

6

4

4.8

2.3

12.70

14.28

12.70

15.3

13.7

17.6

16.1

25.4

39.3

URU-M08M06

8

6

6.4

4.8

14.28

15.87

14.28

16.3

15.3

18.7

17.6

27.4

42.4

URU-M10M06

10

6

8.0

4.8

17.46

19.05

14.28

17.3

15.3

19.5

17.6

29.5

44.6

URU-M12M06

12

6

9.5

4.8

20.63

22.22

14.28

22.8

15.3

21.7

17.6

29.5

47.0

URU-M12M08

12

8

9.5

6.4

20.63

22.22

15.87

22.8

16.3

21.7

18.7

30.2

47.9

URU-M12M10

12

10

9.5

8.0

20.63

22.22

19.05

22.8

17.3

21.7

19.5

31.0

48.8

URU-M16M10

16

10

12.0

8.0

23.81

25.40

19.05

24.5

17.3

22.0

19.5

32.5

50.4

URU-M16M12

16

12

12.0

9.5

23.81

25.40

22.22

24.5

22.8

22.0

21.7

31.8

52.1

URU-M18M12

18

12

16.0

9.5

26.98

30.16

22.22

24.5

22.8

22.0

21.7

33.3

53.6

URU-M25M18

25

18

22.0

15.1

34.92

38.10

30.16

31.1

24.5

26.1

22.0

38.6

60.9

URU-M25M20

25

20

22.0

16.0

34.92

38.10

31.75

31.1

26.2

26.1

22.1

39.9

62.2


Connects Metric Tube to Fractional(Inch) Tube

Part No.

Tube OD
T

Tube OD
T1

Dimensions (mm)

E
Min.

E1
Min.

h

H

H1

F

F1

G

G1

l

L

mm

inch

mm

mm

inch

mm

inch

mm

URU-M0402

4

1/8

3.17

3.0

2.3

11.11

1/2

12.70

7/16

11.11

13.7

12.8

16.1

15.4

23.4

36.7

URU-M0404

4

1/4

6.35

2.8

4.8

14.28

1/2

12.70

9/16

14.28

13.7

15.1

16.1

17.4

25.4

39.1

URU-M0602

6

1/8

3.17

4.8

2.3

12.70

9/16

14.28

7/16

11.11

15.3

12.8

17.6

15.4

24.6

38.8

URU-M0604

6

1/4

6.35

4.8

4.8

12.70

9/16

14.28

9/16

14.28

15.3

15.1

17.6

17.4

26.2

40.8

URU-M0605

6

5/16

7.93

4.8

6.4

14.28

9/16

14.28

5/8

15.87

15.3

16.6

17.6

18.8

27.4

42.5

URU-M0804

8

1/4

6.35

6.4

4.8

14.28

5/8

15.87

9/16

14.28

16.3

15.1

18.7

17.4

27.4

42.2

URU-M1004

10

1/4

6.35

8.0

4.8

17.46

3/4

19.05

9/16

14.28

17.3

15.1

19.5

17.4

29.5

44.4

URU-M1006

10

3/8

9.52

8.0

7.0

17.46

3/4

19.05

11/16

17.46

17.3

16.7

19.5

18.9

31.0

46.0

URU-M1206

12

3/8

9.52

9.5

7.0

20.63

7/8

22.22

11/16

17.46

22.8

16.7

21.7

18.9

31.0

48.4

URU-M1208

12

1/2

12.7

9.5

9.5

20.63

7/8

22.22

7/8

22.22

22.8

22.7

21.7

21.6

31.0

51.1

URU-M1508

15

1/2

12.7

12.0

10.0

23.81

1

25.40

7/8

22.22

24.4

22.7

21.9

21.6

31.8

52.0

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