Por: Ing. Juan Leonardo Chow cel: 00 505 88244617 leochow72@hotmail.com

Relación de diámetros: INTERNOS / EXTERNOS (mm), SDR y SCH

Pulg

Ø Nominal (mm)

*SCH-40 (ASTM-1785)

SDR-17 (250 psl) (ASTM-2241)

SDR-26 (160 psl) (ASTM-2241)

SDR-32.5 (125 psl) (ASTM-2241)

SDR-41 (100 psl) (ASTM-2241)

1/2"

12

15.8/21.3

3/4"

18

20.9/36.7

23.5/26.7

1"

25

26.6/33.4

29.5/33.4

30.4/33.4

1 ¼"

31

35.0/42.2

37.2/42.2

38.9/42.2

39.1/42.2

39.8/42.2

1 ½"

38

40.9/48.3

42.6/48.3

44.6/48.3

45.3/48.3

45.9/48.3

2"

50

52.5/60.3

53.2/60.3

55.7/60.3

56.6/60.3

57.4/60.3

2 ½"

62

62.7/73.0

64.4/73.0

67.4/73.0

68.5/73.0

69.5/73.0

3"

75

77.9/88.9

78.4/88.9

82.0/88.9

83.4/88.9

84.6/88.9

4"

100

102.3/114.3

100.8/114.3

105.5/114.3

107.3/114.3

108.7/114.3

6"

150

154.1/168.3

148.5/168.3

155.3/168.3

157.9/168.3

160.1/168.3

8"

200

193.3/219.1

202.2/219.1

205.6/219.1

208.4/219.1

10"

250

240.9/273.1

252.1/273.1

256.2/273.1

259.8/273.0

12"

300

285.8/323.9

299.0/323.9

303.9/323.9

308.1/323.8

15"

375

358.7/388.6

364.7/388.6

369.7/388.6

18"

450

422.0/457.2

429.1/457.2

434.9/457.2