Configuration | Tube Fitting

Tube to Tube Un

Construction | Tube Fitting

Double Ferrule

Material | Tube Fitting

316 Stainless Steel, Brass, Carbon Steel, Duplex, Super Duplex, Aluminum, Alloy 20

 Hastelloy C276, Alloy 400, Alloy 600, Alloy 625, Alloy 825, Titanium Gr. 2, PTFE

Model/Series

DUR Model

Series

DUR Model

Type | Tube Fitting

REDUCING UNION

Part No.

E

Min.

A

A₁

B

B₁

l

L

1

h

H

H₁

in.

mm

in.

mm

in.

mm

in.

mm

in.

mm

DUR2-1

1/8

3.18

1/16

1.59

1.27

7/16

11.11

7/16

11.11

5/16

7.93

12.70

8.63

15.24

10.92

20.60

30.91

DUR3-1

3/16

4.76

1/16

1.59

1.27

7/16

11.11

1/2

12.70

5/16

7.93

13.71

8.63

16.00

10.92

21.84

32.25

DUR3-2

3/16

4.76

1/8

3.17

2.28

7/16

11.11

1/2

12.70

7/16

11.11

13.71

12.70

16.00

15.24

23.36

36.57

DUR4-1

1/4

6.35

1/16

1.59

1.27

1/2

12.70

9/16

14.28

5/16

7.93

15.24

8.63

17.78

10.92

23.11

34.29

DUR4-2

1/4

6.35

1/8

3.17

2.28

1/2

12.70

9/16

14.28

7/16

11.11

15.24

12.70

17.78

15.24

24.63

38.60

DUR4-3

1/4

6.35

3/16

4.76

3.04

1/2

12.70

9/16

14.28

1/2

12.70

15.24

13.71

17.78

16.00

25.40

39.37

DUR5-2

5/16

7.93

1/8

3.17

2.28

9/16

14.28

5/8

15.87

7/16

11.11

16.25

12.70

18.54

15.24

25.90

39.87

DUR5-4

5/16

7.93

1/4

6.35

4.82

9/16

14.28

5/8

15.87

9/16

14.28

16.25

15.24

18.54

17.78

27.43

42.16

DUR6-1

3/8

9.52

1/16

1.59

1.27

5/8

15.87

11/16

17.46

5/16

7.93

16.76

8.63

19.30

10.92

25.40

36.57

DUR6-2

3/8

9.52

1/8

3.17

2.28

5/8

15.87

11/16

17.46

7/16

11.11

16.76

12.70

19.30

15.24

26.92

40.89

DUR6-4

3/8

9.52

1/4

6.35

4.82

5/8

15.87

11/16

17.46

9/16

14.28

16.76

15.24

19.30

17.78

28.44

43.18

DUR6-5

3/8

9.52

5/16

7.93

6.35

5/8

15.87

11/16

17.46

5/8

15.87

16.76

16.25

19.30

18.54

29.46

44.19

DUR8-2

1/2

12.70

1/8

3.17

2.28

13/16

20.64

7/8

22.22

7/16

11.11

22.86

12.70

21.84

15.24

28.44

45.21

DUR8-4

1/2

12.70

1/4

6.35

4.82

13/16

20.64

7/8

22.22

9/16

14.28

22.86

15.24

21.84

17.78

29.46

46.99

DUR8-6

1/2

12.70

3/8

9.52

7.11

13/16

20.64

7/8

22.22

11/16

17.46

22.86

16.76

21.84

19.30

30.98

48.51

DUR10-6

5/8

15.87

3/8

9.52

7.11

15/16

23.81

1

25.40

11/16

17.46

24.38

16.76

21.84

19.30

31.75

49.27

DUR10-8

5/8

15.87

1/2

12.70

10.41

15/16

23.81

1

25.40

7/8

22.22

24.38

22.86

21.84

21.84

31.75

52.07

DUR12-4

3/4

19.05

1/4

6.35

4.82

1-1/16

26.98

1-1/8

28.57

9/16

14.48

24.38

15.24

21.84

17.78

31.75

49.27

DUR12-6

3/4

19.05

3/8

9.52

7.11

1-1/16

26.98

1-1/8

28.57

11/16

17.46

24.38

16.76

21.84

19.30

33.27

50.80

DUR12-8

3/4

19.05

1/2

12.70

10.41

1-1/16

26.98

1-1/8

28.57

7/8

22.22

24.38

22.86

21.84

21.84

33.27

53.59

DUR12-10

3/4

19.05

5/8

15.87

12.70

1-1/16

26.98

1-1/8

28.57

1

25.40

24.38

24.38

21.84

21.84

33.27

53.59

DUR16-8

1

25.40

1/2

12.70

10.41

1-3/8

34.92

1-1/2

38.10

7/8

22.22

31.24

22.86

26.41

21.84

40.89

63.24

DUR16-12

1

25.40

3/4

19.05

15.74

1-3/8

34.92

1-1/2

38.10

1-1/8

28.58

31.24

24.38

26.41

21.84

40.38

62.73

Part No.

Tube O.D.

E

Min.

Width across flat

A

A₁

B

B₁

l

L

D

D₁

h

H

H₁

DUR3M-2M

3

2

1.7

12

12

12

12.9

12.9

15.3

15.3

22.1

35.3

DUR6M-2M

6

2

1.7

14

14

12

15.3

12.9

17.7

15.3

24.6

38.6

DUR6M-3M

6

3

2.4

14

14

12

15.3

12.9

17.7

15.3

24.6

38.6

DUR6M-4M

6

4

2.4

14

14

12

15.3

13.7

17.7

16.1

25.4

39.4

DUR8M-6M

8

6

4.8

15

16

14

16.2

15.3

18.6

17.7

27.4

42.3

DUR10M-3M

10

3

2.4

18

19

12

17.2

12.9

19.5

15.3

27.7

41.9

DUR10M-4M

10

4

2.4

18

19

12

17.2

13.7

19.5

16.1

28.7

42.9

DUR10M-6M

10

6

4.8

18

19

14

17.2

15.3

19.5

17.7

29.5

44.5

DUR10M-8M

10

8

6.4

18

19

16

17.2

16.2

19.5

18.6

30.0

45.1

DUR12M-6M

12

6

4.8

22

22

14

22.8

15.3

22.0

17.7

29.5

47.0

DUR12M-8M

12

8

6.4

22

22

16

22.8

16.2

22.0

18.6

30.2

47.8

DUR12M-10M

12

10

7.9

22

22

19

22.8

17.2

22.0

19.5

31.0

48.7

DUR15M-12M

15

12

9.8

24

25

22

24.4

17.2

22.0

19.5

31.8

52.5

DUR16M-10M

16

10

7.9

24

25

19

24.4

17.2

22.0

19.5

31.8

49.5

DUR16M-12M

16

12

9.5

24

25

22

24.4

22.8

22.0

22.0

31.8

52.0

DUR18M-10M

18

10

7.9

27

30

19

24.4

17.2

22.0

19.5

33.0

51.0

DUR18M-12M

18

12

9.5

27

30

22

24.4

22.8

22.0

22.0

33.3

53.5

DUR25M-18M

25

18

15.1

35

38

30

31.3

24.4

26.5

22.0

38.6

61.0

DUR25M-20M

25

20

15.9

35

38

32

31.3

26.0

26.5

22.0

39.9

62.3

DUR30M-18M

30

18

15.1

46

50

30

39.7

24.4

39.3

22.0

43.7

75.4

DUR30M-20M

30

20

15.9

46

50

32

39.7

26.0

39.3

22.0

43.7

75.4

DUR30M-25M

30

25

21.8

46

50

38

39.7

31.3

39.3

26.5

46.2

80.1

DUR32M-18M

32

18

15.1

46

50

30

42.0

24.4

41.6

22.0

44.7

77.8

DUR32M-20M

32

20

15.9

46

50

32

42.0

26.0

41.6

22.0

44.7

77.8

DUR32M-25M

32

25

21.8

46

50

38

42.0

31.3

41.6

26.5

47.0

82.3

DUR38M-20M

38

20

15.9

55

60

32

49.4

26.0

47.9

22.0

49.8

87.5

DUR38M-25M

38

25

21.8

55

60

38

49.4

31.3

47.9

26.5

52.1

92.0

DUR38M-30M

30

30

26.2

55

60

50

49.4

39.7

47.9

39.3

55.4

104.6