Steel Pipe Sockets

Steel Pipe Sockets

Standard : BS 1740-1971 BS 21 BS 1387-1985

Nominal diameter in inch

3/8"

1/2"

3/4"

1"

1.1/4"

1.1/2"

2"

2.1/2"

3"

4"

5"

6"

Nominal diameter in mm

10

15

20

25

32

40

50

65

80

100

125

150

Diameter in mm

22

27

32.5

39.5

49

56

68

84

98

124

151

178

Length in mm

28

37

39

46

51

51

60

69

75

87

96

96

American Standard

Merchant Coupling ASTM A 120

Nominal diameter in inch

1/2"

3/4"

1"

1.1/4"

1.1/2"

2"

2.1/2"

3"

3.1/2"

4"

5"

6"

Nominal diameter in mm

15

20

25

32

40

50

65

80

90

100

125

150

Diameter in mm

27.0

33.35

40.03

48.26

55.88

69.85

82.55

101.60

117.48

127.0

159.92

187.71

Length in mm

39.68

41.28

50.79

52.38

52.38

54.0

79.38

82.55

85.73

88.89

95.25

101.60

nternal Threading is straight tapped from 1/2" to 2" . From 2.1/2" to 6" internal treading is taper tapped.