
PPH 管材、管件采用进口原料生产,执行DIN8077/8078 标准。产品主要适用于钢厂的薄板酸洗及废酸回收再生系统,也可用于化工、环保、电厂、食品加工等领域。
序 号 |
项 目 |
要 求 |
1 |
短期液压强度(环应力22Mpa,1h,20℃) |
不破裂,不渗漏 |
2 |
长期液压强度(环应力5.0Mpa,165h,95℃) |
不破裂,不渗漏 |
3 |
纵向收缩率(110℃),% |
1.3 |
4 |
Charpy冲击23℃,KJ/㎡ |
50.0 |
5 |
Charpy冲击-20℃,KJ/㎡ |
4.0 |
6 |
热变形温度,℃ |
96.0 |
公称外径 |
公称偏差 |
0.4 MPa |
0.6 MPa |
0.8 MPa |
1.0 MPa |
S |
S |
S |
S |
||
25 |
0.3 |
2.7 |
|||
32 |
0.3 |
2.9 |
|||
40 |
0.4 |
3.7 |
|||
50 |
0.5 |
4.6 |
|||
63 |
0.6 |
4.7 |
5.8 |
||
75 |
0.7 |
4.5 |
5.6 |
6.8 |
|
90 |
0.9 |
3.5 |
5.4 |
6.7 |
8.2 |
110 |
1.0 |
4.2 |
6.6 |
8.1 |
10.0 |
125 |
1.2 |
4.8 |
7.4 |
9.2 |
11.4 |
140 |
1.3 |
5.4 |
8.3 |
10.3 |
12.7 |
160 |
1.5 |
6.2 |
9.5 |
11.8 |
14.6 |
180 |
1.7 |
6.9 |
10.7 |
13.3 |
16.4 |
200 |
1.8 |
7.7 |
11.9 |
14.7 |
18.2 |
225 |
2.1 |
8.6 |
13.4 |
16.6 |
20.5 |
250 |
2.3 |
9.6 |
14.8 |
18.4 |
22.7 |
280 |
2.6 |
10.7 |
16.6 |
20.6 |
25.4 |
315 |
2.9 |
12.1 |
18.7 |
23.2 |
28.6 |
355 |
3.2 |
13.6 |
21.1 |
26.1 |
32.2 |
400 |
3.6 |
15.3 |
23.7 |
29.4 |
36.3 |
450 |
4.1 |
17.2 |
26.7 |
33.1 |
— |
500 |
4.5 |
19.1 |
29.7 |
36.8 |
— |
560 |
5.1 |
21.4 |
33.2 |
— |
— |
630 |
5.7 |
24.1 |
37.4 |
— |
— |





