Nov 262013
 
Wesmec S-LokĀ® Twin Ferrule Fittings
Bulkhead Union Bulkhead Union

Bulkhead Union – Imperial Tubing

Tube O.D inch

Part Number

A

C1

C2

D

L

W inch

B’head hole drill size

Max b’head thickness

Min bore

inch

mm

inch

mm

inch

mm

inch

mm

inch

mm

inch

mm

inch

mm

inch

mm

1/16

1BU1

1.22

31.0

0.43

10.9

0.67

17.0

0.94

23.9

0.53

13.5

5/16

13/64

5.2

0.12

3.1

0.05

1.3

1/8

2BU2

2.00

50.8

0.60

15.2

1.22

31.0

1.50

38.1

0.97

24.6

1/2

21/64

8.3

0.50

12.7

0.09

2.3

3/16

3BU3

2.09

53.1

0.63

16.0

1.25

31.8

1.59

40.4

1.00

25.4

9/16

25/64

9.9

0.50

12.7

0.13

3.3

1/4

4BU4

2.28

57.9

0.70

17.8

1.33

33.8

1.69

42.3

1.03

26.2

5/8

29/64

11.5

0.40

10.2

0.19

4.8

5/16

5BU5

2.40

61.0

0.73

18.6

1.41

35.8

1.81

46.0

1.12

28.5

11/16

33/64

13.1

0.44

11.2

0.25

6.4

3/8

6BU6

2.47

62.7

0.76

19.3

1.45

36.8

1.88

47.8

1.16

29.5

3/4

37/64

14.7

0.44

11.2

0.28

7.1

1/2

8BU8

2.77

70.4

0.86

21.8

1.63

41.4

2.00

50.8

1.25

31.8

15/16

49/64

19.4

0.50

12.7

0.41

10.4

5/8

10BU10

2.83

71.9

0.86

21.8

1.66

42.2

2.06

52.3

1.28

32.5

1.1/16

57/64

22.6

0.50

12.7

0.50

12.7

3/4

12BU12

3.08

78.2

0.86

21.8

1.85

47.0

2.31

58.7

1.47

37.3

1.3/16

1.1/64

25.8

0.66

16.8

0.63

16.0

7/8

14BU14

3.30

83.8

0.86

21.8

2.07

52.6

2.53

64.3

1.69

42.9

1.3/8

1.9/64

29.0

0.75

19.1

0.75

19.1

1

16BU16

3.75

95.3

1.04

26.4

2.25

57.2

2.81

71.4

1.78

45.2

1.5/8

1.21/64

33.7

0.75

19.1

0.88

22.4

Bulkhead Union – Metric Tubing

Tube O.D mm

Part Number

A

C1

C2

D

L

W inch

B’head hole drill size

mm

Max b’head thichness mm

Min bore

mm

mm

mm

mm

mm

mm

3

3MBU

51.3

15.3

31.2

38.2

24.6

1/2

8.3

12.7

2.4

4

4MBU

53.7

16.1

32.0

40.5

25.4

9/16

9.9

12.7

3.0

6

6MBU

57.9

17.7

33.7

42.9

26.2

5/8

11.5

10.2

4.8

8

8MBU

61.0

18.6

36.0

46.0

28.5

11/16

13.1

11.2

6.4

10

10MBU

63.6

19.5

37.0

48.4

29.4

13/16

16.3

11.2

7.9

12

12MBU

71.0

22.0

41.9

50.8

31.8

15/16

19.5

12.7

9.5

16

16MBU

72.6

22.0

42.6

52.4

32.5

1.1/16

22.5

12.7

12.7

18

18MBU