公称通径
Nominal Diameter

坡口处外径
Outside Diameter

中心至端面
Center to End

D1

D2

DN

NPS

A系列
Series A

B系列
Series B

A系列
Series A

B系列
Series B

C

M

15×15×15

1/2×1/2×1/2

21.3

18

21.3

18

25

25

15×15×10

1/2×1/2×3/8

21.3

18

17.3

14

25

25

15×15×8

1/2×1/2×1/4

21.3

18

13.7

10

25

25

20×20×20

3/4×3/4×3/4

26.9

25

26.9

25

29

29

20×20×15

3/4×3/4×1/2

26.9

25

21.3

18

29

29

20×20×10

3/4×3/4×3/8

26.9

25

17.3

14

29

29

25×25×25

1×1×1

33.7

32

33.7

32

38

38

25×25×20

1×1×3/4

33.7

32

26.9

25

38

38

25×25×15

1×1×1/2

33.7

32

21.3

18

38

38

32×32×32

1.1/4×1.1/4×1.1/4

42.4

38

42.4

38

48

48

32×32×25

1.1/4×1.1/4×1

42.4

38

33.7

32

48

48

32×32×20

1.1/4×1.1/4×3/4

42.4

38

26.9

25

48

48

32×32×15

1.1/4×1.1/4×1/2

42.4

38

21.3

18

48

48

40×40×40

1.1/2×1.1/2×1.1/2

48.3

45

48.3

45

57

57

40×40×32

1.1/2×1.1/2×1.1/4

48.3

45

42.4

38

57

57

40×40×25

1.1/2×1.1/2×1

48.3

45

33.7

32

57

57

40×40×20

1.1/2×1.1/2×3/4

48.3

45

26.9

25

57

57

40×40×15

1.1/2×1.1/2×1/2

48.3

45

21.3

18

57

57

50×50×50

2×2×2

60.3

57

60.3

57

64

64

50×50×40

2×2×1.1/2

60.3

57

48.3

45

64

60

50×50×32

2×2×1.1/4

60.3

57

42.4

38

64

57

50×50×25

2×2×1

60.3

57

33.7

32

64

51

50×50×20

2×2×3/4

60.3

57

26.9

25

64

44

65×65×65

2.1/2×2/1/2×2.1/2

73.0

76

73.0

76

76

76

65×65×50

2.1/2×2/1/2×2

73.0

76

60.3

57

76

70

65×65×40

2.1/2×2/1/2×1.1/2

73.0

76

48.3

45

76

67

65×65×32

2.1/2×2/1/2×1.1/4

73.0

76

42.4

38

76

64

65×65×25

2.1/2×2/1/2×1

73.0

76

33.7

32

76

57

80×80×80

3×3×3

88.9

89

88.9

89

86

86

80×80×65

3×3×2.1/2

88.9

89

73.0

76

86

83

80×80×50

3×3×2

88.9

89

60.3

57

86

76

80×80×40

3×3×1.1/2

88.9

89

48.3

45

86

73

80×80×32

3×3×1.1/4

88.9

89

42.4

38

86

70

90×90×90

3.1/2×3.1/2×3.1/2

101.6

-

101.6

-

95

95

90×90×80

3.1/2×3.1/2×3

101.6

-

88.9

89

95

92

90×90×65

3.1/2×3.1/2×2.1/2

101.6

-

73.0

76

95

89

90×90×50

3.1/2×3.1/2×2

101.6

-

60.3

57

95

83

90×90×40

3.1/2×3.1/2×1.1/2

101.6

-

48.3

45

95

79

100×100×100

4×4×4

114.3

108

114.3

108

105

105

100×100×90

4×4×3.1/2

114.3

108

101.6

-

105

102

100×100×80

4×4×3

114.3

108

88.9

89

105

98

100×100×65

4×4×2.1/2

114.3

108

73.0

76

105

95

100×100×50

4×4×2

114.3

108

60.3

57

105

89

100×100×40

4×4×1.1/2

114.3

108

48.3

45

105

86

125×125×125

5×5×5

141.3

133

141.3

133

124

124

125×125×100

5×5×4

141.3

133

114.3

108

124

117

125×125×90

5×5×3.1/2

141.3

-

101.6

-

124

114

125×125×80

5×5×3

141.3

133

88.9

89

124

111

125×125×65

5×5×2.1.2

141.3

133

73.0

76

124

108

125×125×50

5×5×2

141.3

133

60.3

57

124

105

150×150×150

6×6×6

168.3

159

168.3

159

143

143

150×150×125

6×6×5

168.3

159

141.3

133

143

137

150×150×100

6×6×4

168.3

159

114.3

108

143

130

150×150×90

6×6×3.1/2

168.3

-

101.6

-

143

127