ROUNDED HEAD PLUG

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ROUNDED HEAD PLUG

ASME B16.11-2016(Revision of ASME B16.11-2011))



Dimensions in Millimeters.

Square Head Plug

DN

Nom. Pipe
Size

A
(Min)

B
(Min)

C
(Min)

6

1/8

10

6

7.15

8

1/4

11

6

9.55

10

3/8

13

8

11.11

15

1/2

14

10

14.29

20

3/4

16

11

15.88

25

1

19

13

20.64

32

1-1/4

21

14

23.81

40

1-1/2

21

16

28.58

50

2

22

18

33.27

65

2-1/2

27

19

38.10

80

3

28

21

42.86

100

4

32

25

63.50
Dimensions in Millimeters

Round Head Plug

DN

Nom_ Pipe
Size

E
(Nom)

D
(Min)

6

1/8

10

35

8

1/4

14

41

10

3/8

18

41

15

1/2

21

44

20

3/4

27

44

25

1

33

51

32

1-1/4

43

51

40

1 -1/2

48

51

50

2

60

64

65

2-1/2

73

70

80

3

89

70

100

4

114

76

(1) ASME B16.11-2016 SIZE .2" DATA"C", WE CONVERT INCH DATA INTO MILLIMETERS.

DIMENSIONAL TOLERANCE OF ASME B16.11
ASME B16.11-2016 (Unit : mm)

Item

Type of
pipe fitting

Size

DN

6 to 8

10 to 20

25 to 50

65 to 100

NPS

1/8 to 1/4

3/8 to 3/4

1 to 2

2-1/2 to 4

Bore diameter of socket (B)

All types of
pipe fittings

+0.4
—0.0

+0.4
—0.0

+0.4
—0.0

+0.4
—0.0

Bore diameter of fitting (D)

±0.7

±0.7

±0.7

±1.4

Concentricity of bore (X)

+ 0.8

Coincidence of axes (Y)

1/200 Max

Center to bottom of socket (A)

45° 90° Elbow
Tee Cross

±1.0

±1.5

±2.0

±2.5

Bottom to bottom of socket (E)

Full Coupling

±1.5

± 3.0

±4.0

±5.0

Bottom to socket to opposite face (F)

Half Coupling

±1.5

±3.0

±4.0

±5.0