ท่อประปา HDPE PE80

เส้นผ่านศูนย์กลางภายนอก

PN4

PN5

PN6

PN8

PN10

PN12.5

PN16

PN20

PN25

SDR41

SDR33

SDR26

SDR21

SDR17

SDR13.6

SDR11

SDR9

SDR7.4

ความหนาของผนัง (th)

20

-

-

-

-

-

-

2.0

2.3

3.0

25

-

-

-

-

-

2.0

2.3

3.0

3.5

32

-

-

-

-

2.0

2.4

3.0

3.6

4.4

40

-

-

-

2.0

2.4

3.0

3.7

4.5

5.5

50

-

-

2.0

2.4

3.0

3.7

4.6

5.6

6.9

63

-

-

2.5

3.0

3.8

4.7

5.8

7.1

8.6

75

-

-

2.9

3.6

4.5

5.6

6.8

8.4

10.3

90

-

-

3.5

4.3

5.4

6.7

8.2

10.1

12.3

110

-

-

4.2

5.3

6.6

8.1

10.0

12.3

15.1

125

-

-

4.8

6.0

7.4

9.2

11.4

14.0

17.1

140

-

-

5.4

6.7

8.3

10.3

12.7

15.7

19.2

160

-

-

6.2

7.7

9.5

11.8

14.6

17.9

21.9

180

-

-

6.9

8.6

10.7

13.3

16.4

20.1

24.6

200

-

-

7.7

9.6

11.9

14.7

18.2

22.4

27.4

225

-

-

8.6

10.8

13.4

16.6

20.5

25.2

30.8

250

-

-

9.6

11.9

14.8

18.4

22.7

27.9

34.2

280

-

-

10.7

13.4

16.6

20.6

25.4

31.3

38.3

315

7.7

9.7

12.1

15.0

18.7

23.2

28.6

35.2

43.1

355

8.7

10.9

13.6

16.9

21.1

26.1

32.2

39.7

48.5

400

9.8

12.3

15.3

19.1

23.7

29.4

36.3

44.7

54.7

450

11.0

13.8

17.2

21.5

26.7

33.1

40.9

50.3

61.5

500

12.3

15.3

19.1

23.9

29.7

36.8

45.4

55.8

-

560

13.7

17.2

21.4

26.7

33.2

41.2

50.8

62.5

-

630

15.4

19.3

24.1

30.0

37.4

46.3

57.2

70.3

-

710

17.4

21.8

27.2

33.9

42.1

52.2

64.5

79.3

-

800

19.6

24.5

30.6

38.1

47.4

58.8

72.6

89.3

-

900

22.0

27.6

34.4

42.9

53.3

66.2

81.7

-

-

1000

24.5

30.6

38.2

47.7

59.3

72.5

90.2

-

-

1200

29.4

36.7

45.9

57.2

67.9

88.2

-

-

-

1400

34.3

42.9

53.5

66.7

82.4

102.9

-

-

-

1600

39.2

49.0

61.2

76.2

94.1

117.6

-

-

-