A.0.1 聚乙烯(PE)管外径及公称壁厚应符合表A.0.1的规定。
A.0.1 聚乙烯(PE)管外径及公称壁厚(mm)
公称外径dn |
平均外径 |
公称壁厚/材料等级 |
|||
最小 |
最大 |
公称压力 |
|||
|
|
|
1.0MPa |
1.25MPa |
1.6MPa |
20 |
20.0 |
20.3 |
— |
— |
— |
25 |
25.0 |
25.3 |
— |
2.3+0.5/PE80 |
— |
32 |
32.0 |
32.0 |
— |
3.0+0.5/PE80 |
3.0+0.5/PE100 |
40 |
40.0 |
40.4 |
— |
3.7+0.6/PE80 |
3.7+0.6/PE100 |
50 |
50.0 |
50.5 |
— |
4.6+0.7/PE80 |
4.6+0.7/PE100 |
63 |
63.0 |
63.6 |
4.7+0.8/PE80 |
4.7+0.8/PE80 |
5.8+0.9/PE100 |
75 |
75.0 |
75.7 |
4.5+0.7/PE100 |
5.6+0.9/PE100 |
6.8+1.1/PE100 |
90 |
90.0 |
90.9 |
5.4+0.9/PE100 |
6.7+1.1/PE100 |
8.2+1.3/PE100 |
110 |
110.0 |
110.0 |
6.6+1.1/PE100 |
8.1+1.3/PE100 |
10.0+1.5/PE100 |
125 |
125.0 |
126.2 |
7.4+1.2/PE100 |
9.2+1.4/PE100 |
11.4+1.8/PE100 |
140 |
140.0 |
141.3 |
8.3+1.3/PE100 |
10.3+1.6/PE100 |
12.7+2.0/PE100 |
160 |
160.0 |
161.5 |
9.5+1.5/PE100 |
11.8+1.8/PE100 |
14.6+2.2/PE100 |
180 |
180.0 |
181.7 |
10.7+1.7/PE100 |
13.3+2.0/PE100 |
16.4+3.2/PE100 |
200 |
200.0 |
201.8 |
11.9+1.8/PE100 |
14.7+2.3/PE100 |
18.2+3.6/PE100 |
225 |
225.0 |
227.1 |
13.4+2.1/PE100 |
16.6+3.3/PE100 |
20.5+4.0/PE100 |
250 |
250.0 |
252.3 |
14.8+2.3/PE100 |
18.4+3.6/PE100 |
22.7+4.5/PE100 |
280 |
280.0 |
282.6 |
16.6+3.3/PE100 |
20.6+4.1/PE100 |
25.4+5.0/PE100 |
315 |
315.0 |
317.9 |
18.7+3.7/PE100 |
23.2+4.6/PE100 |
28.6+5.7/PE100 |
355 |
355.0 |
358.2 |
21.1+4.2/PE100 |
26.1+5.2/PE100 |
32.2+6.4/PE100 |
400 |
400.0 |
403.6 |
23.7+4.7/PE100 |
29.4+5.8/PE100 |
36.3+7.2/PE100 |
A.0.2 聚丁烯(PB)管外径及公称壁厚应符合表A.0.2的规定。
A.0.2 聚丁烯(PB)管外径及公称壁厚(mm)
公称外径dn |
平均外径 |
公称壁厚 |
|
最小 |
最大 |
||
20 |
20.0 |
20.3 |
1.9+0.3 |
25 |
25.0 |
25.3 |
2.3+0.4 |
32 |
32.0 |
32.3 |
2.9+0.4 |
40 |
40.0 |
40.4 |
3.7+0.5 |
50 |
50.0 |
50.5 |
4.6+0.6 |
63 |
63.0 |
63.0 |
5.8+0.7 |
75 |
75.0 |
75.0 |
6.8+0.8 |
90 |
90.0 |
90.0 |
8.2+1.0 |
110 |
110.0 |
110.0 |
10.0+1.1 |
125 |
125.0 |
125.0 |
11.4+1.3 |
140 |
140.0 |
140.0 |
12.7+1.4 |
160 |
160.0 |
160.0 |
14.6+1.6 |