Threaded Union - Precision Engineered Pipe Fitting, High Pressure & Temperature Tolerance

Dimensions Of Socket - Weld And Threaded Union (BS3799) (in Mm)

Nom. Pipe Size

Pipe End Min

Socket Bore Dia.

Socket Wall Min.

Water Way Bore

Laying Length

Male Flange Min.

Nut Min.

Threads Per 25.4 Max

Bearing Min.

Depth of Socket Min.

Length Assem. Nominal

Clear Assem. Nut

A

B

C

D

E

F

G

H

J

K

L

N

1/8

21.8

10.92
10.67

3.17

6.83
6.43

22.4
19.0

3.17

3.17

16

1.24

9.6

41.1

49.0

1/4

21.8

14.22
13.97

3.30

9.85
9.45

22.4
19.0

3.17

3.17

19

1.24

9.6

41.4

49.0

3/8

25.9

17.78
17.53

3.48

13.92
13.51

26.9
20.6

3.43

3.43

14

1.37

9.6

46.0

55.0

1/2

31.2

21.84
21.59

4.06

17.47
17.07

26.9
20.6

3.68

3.68

14

1.50

9.6

49.0

57.0

3/4

37.1

27.18
26.92

4.27

21.79
21.39

31.8
25.4

4.06

4.06

11

1.68

12.7

56.9

67.0

1

45.5

34.04
33.78

4.95

28.14
27.74

34.3
26.2

4.57

4.44

11

1.85

12.7

62.0

79.0

1 1/4

54.9

42.67
42.42

5.28

35.76
35.36

40.6
32.5

5.33

5.21

11

2.13

12.7

71.1

94.0

1 1/2

61.5

48.77
48.51

5.54

41.61
41.20

42.2
34.0

5.84

5.59

10

2.31

12.7

75.5

111.0

2

75.2

61.47
61.21

6.05

52.53
52.12

45.3
37.3

6.60

6.35

10

2.69

15.8

86.1

132.0

2 1/2

91.7

74.17
73.66

7.65

64.72
64.31

61.7
52.1

7.49

7.11

8

3.07

15.8

102.4

148.0

3

109.2

90.17
89.66

8.31

77.67
77.27

63.8
53.6

8.25

8.00

8

3.53

15.8

109.0

175.0