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Corelatie intre diametrul exterior (Dex), diametrul nominal (DN) si diametrul conventional (R)

Diametrul exterior
Dex
(mm)

Diametrul
nominal
DN
(mm)

Diametrul conventional (Dimensiune filet, R) (inch)

10,2

6

1/8

13,5

8

1/4

17,2

10

3/8

21,3

15

1/2

26,5

20

3/4

33,7

25

1

42,4

32

1 1/4

48,3

40

1 1/2

60,3

50

2

76,1

65

2 1/2

88,9

80

3

114,3

100

4

139,7

125

5

165,1

150

6

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