Номинальный диаметр   DN,

дюйм (мм)

                      Наружный диаметр D, дюйм (мм)

Class 150

Class 300

Class 600

Class 900

Class 1500

Class 2500

2

(50,8 )

4,125

(104,78)

4,375

(111,13

4,375

(111,13 )

5,625

(142,875 )

5,625

(142,875 )

5,750

(146,050 )

3

(76,2)

5,375

(136,53 )

5,875

(149,23)

5,875

(149,23)

6,625

(168,275)

6,875

(174,625)

7,750

(196,85)

4

(101,6)

6,875

(174,63)

7,125

(180,98 )

7,125

(180,98)

8,125

(206,35)

8,250

(209,550 )

9,250

(234,950)

6

(152,4 )

8,750

(222,25)

9,875

(250,83 )

10.500

(266,7)

11,375

(288,925)

11,375

(288,925 )

12,500

(317,500 )

8

(203,2 )

11,000

(279,4)

12,125

(304,98)

12,625

(320,675 )

14,125

(358,775)

14,125

(358,775)

15,250

(387,35 )

10

(254,0)

13,375

(339,725)

14,250

(361,95 )

15,750

(400,05 )

17,125

(434,975)

17,125

(434,975 )

18,750

(476,250)

12

(304,8 )

16,125

(409,58)

16,625

(422,26)

18,000

(457,2)

19,625

(498,475)

20,500

(520,7)

21,625

(549,275 )

14

(355,6)

17,750

(450,85)

19,125

(485,78 )

19,375

(492,125 )

20,500

(520,700 )

22,750

(577,85 )

_

16

(406,4 )

20,250

(514,35)

21,250

(539,75 )

22,250

(565,15 )

22,625

(574,675 )

25,250

(641,350 )

_

18

(457,2)

21,500

(546,1)

23,375

(593,725 )

24,000

(609,6 )

25,000

(635,000 )

27,625

(701,675 )

_

20

(580,0 )

23,750

(603,25)

25, 625

(650,45 )

26,750

(679,45 )

27,375

(695,325)

29,625

752,475)

_

24

(609,6)

28,125

(714,375)

30,375

(714,375)

31,000

(784,4 )

32,875

(835,025 )

35,5

(901,7 )

_