类别 Classification |
公称内径 Nominal ID (DN)(mm) |
最小内径 Min. ID (mm) |
最大外径 Max.OD (mm) |
工作压力 Operation Pressure (PN) |
试验压力 Proof Pressure (PS) (MPa) |
爆破压力 Burst Pressure (pb)(MPa) |
最小弯曲半径 Min. bend radius |
||
Mpa |
|
静态(mm) |
动态(mm) |
||||||
高压 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 |
≥10DN |
≥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 |
|
|
|||
中压 Medium 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 |
|
|
|||
低压 Low Pressure |
4 6 8 10 |
4 6 8 10 |
8.5 12 14 16 |
2.5 |
362 |
|
|
||
12 14 18 20 |
|
20 22 26 28 |
20 22 26 28 |
1.6 |
|
|
|||
25 32 |
24 32 |
34 42 |
1.0 |
144 |
|
|
|||
40 50 |
40 50 |
52 64 |
2.5 |
362 |
|
|
|||
75 102 |
75 102 |
92 122 |
|
231 |
|
|
|||
125 150 |
125 150 |
161 193 |
1.0 |
144 |
|
|
|||
|
200 250 |
200 250 |
252 302 |
0.8 |
116 |
注:PN、PS、Pb均是在20℃时的值。Note:PS,PS,Pb are all the numbers at 20℃ |