DN

Diametru

int.

Diametru

ext.

Presiune  

     de lucru

Presiune

de spargere

Raza de curbura

Greutate

mm

inch

(mm)

(mm)

(bar)

(bar)

(mm)

(kg/m)

6

1/4

6.4

13.4

450

1800

45

0.29

8

5/16

7.9

15.0

420

1680

60

0.34

10

3/8

9.5

17.4

385

1540

70

0.44

12

1/2

12.7

20.6

345

1380

90

0.54

16

5/8

15.9

23.7

290

1160

130

0.63

19

3/4

19

27.7

280

1120

160

0.84

25

1

25.4

35.6

200

800

210

1.14

31

1 1/4

31.8

43.5

175

700

300

1.52