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四方堵頭 | Square Head Plug

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產品詳情


公稱通徑
    Nominal Size 

螺紋長度
    Length of Threaded(Min)

方頭高度
    Square Head Height

方頭對邊寬度
    Square Head Side Width

DN

NPS

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

33.3

65

2.1/2

27

19

38.1

80

3

28

21

42.9

100

4

32

25

63.5


DIMENSIONAL TOLERANCE OF ASME B16.11

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

＋0.5
    －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

±1.0

±1.5

±2.0

±2.5