Classfication

Nominal ID (DN)(mm)

Min.ID

Max.OD (mm)

Working Pressure

Test Pressure

Burst Pressure

Min.Bend radius

Mpa

PSI

Static state(mm)

Dynamic state(mm)

High
Pressure

4
6
8
10
12

2.5
4.5
6.5
8.5
10

8.5
12
14
16
20

35
23

5071
3332

1.5PN

3PN

≥100N

≥2Rj

14
18
20
25
32

12
16
18
22
30

22
26
28
34
42

21
17
15
10
7

3043
2463
2175
1449
1014

middle
pressure

4
6
8
10

2.5
4.5
6.5
8.5

8.5
12.5
14.5
16.4

10

1449

4PN

12
14
18

12
14
18

20
22
26

8.0

1159

20
25

20
24

28
34

6.4

927

32
40

32
40

42
52

4.0

579

Low
Pressure

4
6
8
10

4
6
8
10

8.5
12
14
16

2.5

362

12
14
18
20

12
14
18
20

20
22
26
28

1.6

231

25
32

24
32

34
42

1.0

144

40
50

40
50

52
64

2.5

362

75
100

75
102

92
122

1.6

231

125
150

125
150
200
250

161
193
252
302

1.0

144

200
250

0.8

116

Note:PN、PS、Pb are all numerical values at 20℃。