公称 外径 dn |
管材S系列SDR系列和公称压力 | ||||||
S16 | S12.5 | S1O | S8 | S6.3 | S5 | S4 | |
SDR33 | SDR26 | SDR21 | SDR17 | SDR13. 6 | SDR11 | SDR9 | |
PN0. 63 | PN0. 8 | PN1.0 | PN1.25 | PN1.6 | PN2.0 | PN2.5 | |
公称壁厚en | |||||||
20 | — | — | — | — | 2.0 | 2.3 | |
25 | — | — | — | — | 2.0 | 2.3 | 2.8 |
32 | — | — | — | 2. 0 | 2.4 | 2.9 | 3. 6 |
40 | — | — | 2.0 | 2.4 | 3.0 | 3.7 | 4.5 |
50 | — | 2.0 | 2.4 | 3.0 | 3.7 | 4.6 | 5.6 |
63 | 2.0 | 2.5 | 3.0 | 3,8 | 4.7 | 5.8 | 7. 1 |
75 | 2.3 | 2.9 | 3.6 | 4.5 | 5.6 | 6.9 | 8.4 |
90 | 2.8 | 3.5 | 4.3 | 5.4 | 6.7 | 8.2 | 10. 1 |
注:公称壁厚(en)根据设计应力(σs)10 MPa确定,最小壁厚不小于2.0 mm. |
公称外径 dn |
管材S系列SDR系列和公称压力 | ||||||
S20 SDR41 PN0. 63 |
S16 SDR33 PN0.8 |
S12.5 SDR26 PN1.0 |
S10 SDR21 PN1.25 |
S8 SDR17 PN1.6 |
S6. 3 SDR13.6 PN2.0 |
S5 SDR11 PN2.5 |
|
公称壁厚en | |||||||
110 | 2.7 | 3.4 | 4.2 | 5.3 | 6.6 | 8.1 | 10.0 |
125 | 3. 1 | 3.9 | 4.8 | 6.0 | 7.4 | 9.2 | 11.4 |
140 | 3.5 | 4.3 | 5.4 | 6.7 | 8.3 | 10.3 | 12.7 |
160 | 4.0 | 4.9 | 6.2 | 7.7 | 9.5 | 11.8 | 14. 6 |
180 | 4.4 | 5.5 | 6.9 | 8.6 | 10.7 | 13.3 | 16.4 |
200 | 4.9 | 6.2 | 7.7 | 9.6 | 11.9 | 14.7 | 18.2 |
225 | 5.5 | 6.9 | 8.6 | 10.8 | 13.4 | 16.6 | — |
250 | 6.2 | 7.7 | 9.6 | 11.9 | 14. 8 | 18.4 | — |
280 | 6.9 | 8.6 | 10.7 | 13.4 | 16.6 | 20.6 | — |
315 | 7.7 | 9.7 | 12.1 | 15.0 | 18.7 | 23.2 | — |
355 | 8.7 | 10.9 | 13.6 | 16.9 | 21.1 | 26.1 | — |
400 | 9.8 | 12.3 | 15.3 | 19.1 | 23.7 | 29.4 | — |
450 | 11.0 | 13.8 | 17.2 | 21.5 | 26.7 | 33.1 | — |
500 | 12.3 | 15.3 | 19. 1 | 23.9 | 29.7 | 36.8 | — |
560 | 13.7 | 17.2 | 21.4 | 26.7 | — | — | — |
630 | 15.4 | 19.3 | 24.1 | 30.0 | — | — | — |
710 | 17.4 | 21.8 | 27.2 | — | — | — | — |
800 | 19.6 | 24.5 | 30. 6 | — | — | — | — |
900 | 22.0 | 27.6 | — | — | — | — | — |
1 000 | 24.5 | 30.6 | — | — | — | — | — |
注:公称壁厚(en)根据设计应力(σs)12.5 MPa确定 |
公称外径dn/mm | ≤32 | 40 〜200 | ≥225 |
弯曲度/(%) | 不规定 | ≤1.0 | ≤0.5 |
平均外径dem | 不圆度 | 平均外径dem | 不圆度 | ||
公称外径dn | 允许偏差 | 公称外径dn | 允许偏差 | ||
20 |
+ 0.3 0 |
1.2 | 225 |
+0.7 0 |
4.5 |
25 |
+ 0.3 0 |
1.2 | 250 |
+0.8 0 |
5.0 |
32 |
+0.3 0 |
1.3 | 280 |
+0.9 0 |
6.8 |
40 |
+0.3 0 |
1.4 | 315 |
+1.0 0 |
7.6 |
50 |
+0.3 0 |
1.4 | 355 |
+ 1.1 0 |
8.6 |
63 |
+0.3 0 |
1.5 | 400 |
+ 1.2 0 |
9.6 |
75 |
+0.3 0 |
1.6 | 450 |
+ 1.4 0 |
10.8 |
90 |
+ 0.3 0 |
1.8 | 500 |
+ 1.5 0 |
12.0 |
110 |
+0.4 0 |
2.2 | 560 |
+ 1.7 0 |
13.5 |
125 |
+0.4 0 |
2.5 | 630 |
+ 1.9 0 |
15.2 |
140 |
+ 0.5 0 |
2.8 | 710 |
+ 2.0 0 |
17.1 |
160 |
+0.5 0 |
3.2 | 800 |
+ 2.0 0 |
19.2 |
180 |
+0.6 0 |
3.6 | 900 |
+ 2.0 0 |
21.6 |
200 |
+0.6 0 |
4.0 | 1 000 |
+ 2.0 0 |
24.0 |
壁厚ey | 允许偏差 | 壁厚ey | 允许偏差 |
e≤2.0 |
+ 0.4 0 |
20. 6﹤e≤21.3 |
+ 3.2 0 |
2.0﹤e≤3. 0 |
+ 0.5 0 |
21.3﹤e≤22.0 |
+ 3.3 0 |
3.0﹤e≤4. 0 |
+ 0.6 0 |
22.0﹤e≤22.6 |
+ 3.4 0 |
4.0﹤e≤4. 6 |
+ 0.7 0 |
22.6﹤e≤23. 3 |
+ 3.5 0 |
4.6﹤e≤5.3 |
+0.8 0 |
23.3﹤e≤24. 0 |
+ 3.6 0 |
5.3﹤e≤6. 0 |
+ 0.9 0 |
24.0﹤e≤24.6 |
4-3.7 0 |
6.0﹤e≤6. 6 |
+ 1.0 0 |
24. 6﹤e≤25. 3 |
+ 3.8 0 |
6.6﹤e≤7.3 |
+ 1.1 0 |
25. 3﹤e≤26.0 |
+ 3.9 0 |
7.3﹤e≤8.0 |
+ 1.2 0 |
26. 0﹤e≤26. 6 |
+ 4.0 0 |
8.0﹤e≤8. 6 |
+ 1.3 0 |
26.6﹤e≤7. 3 |
+ 4.1 0 |
8.6﹤e≤9.3 |
+1.4 0 |
27.3 ﹤e≤28. 0 |
+ 4.2 0 |
9.3﹤e≤10.0 |
+ 1.5 0 |
28.0﹤e≤28.6 |
+ 4.3 0 |
10.0﹤e≤10. 6 |
+ 1.6 0 |
28.6﹤e≤29.3 |
+ 4. 4 0 |
10.6﹤e≤11.3 |
+ 1.7 0 |
29.3﹤e≤30.0 |
+ 4.5 0 |
11.3﹤e≤12.0 |
+ 1.8 0 |
30.0﹤e≤30.6 |
+4.6 0 |
12.0﹤e≤12.6 |
+ 1.9 0 |
30.6﹤e≤31.3 |
+4.7 0 |
12.6﹤e≤13.3 |
+ 2.0 0 |
31.3﹤e≤32.0 |
+ 4.8 0 |
13.3﹤e≤14.0 |
+ 2.1 0 |
32.0﹤e≤32.6 |
+4.9 0 |
14.0﹤e≤14. 6 |
+ 2.2 0 |
32. 6 ﹤e≤33. 3 |
+ 5.0 0 |
14.6﹤e≤5.3 |
+ 2.3 0 |
33. 3﹤e≤34.0 |
+ 5.1 0 |
15.3﹤e≤16.0 |
+ 2.4 0 |
34.0﹤e≤34.6 |
+ 5.2 0 |
16.0﹤e≤16. 6 |
+2.5 0 |
34. 6﹤e≤35.3 |
+ 5.3 0 |
16.6﹤e≤17.3 |
+ 2.6 0 |
35.3﹤e≤36.0 |
+ 5.4 0 |
17.3﹤e≤8.0 |
+ 2.7 0 |
36.0﹤e≤36.6 |
+ 5.5 0 |
18.0﹤e≤18.6 |
+ 2.8 0 |
36.6 ﹤e≤37.3 |
+ 5.6 0 |
19.6﹤e≤19.3 |
+ 2.9 0 |
37.3﹤e≤38.0 |
+ 5.7 0 |
19.3﹤e≤20.0 |
+ 3.0 0 |
38.0﹤e≤38.6 |
+ 5.8 0 |
20. 0﹤e≤20. 6 |
+ 3. 1 0 |
— | — |
平均壁厚em | 允许偏差 | 平均壁厚em | 允许偏差 |
≤2.0 |
+0.4 0 |
20.0﹤e≤21.0 |
+ 2.3 0 |
2.0 ﹤e≤3. 0 |
+0.5 0 |
21.0﹤e≤22.0 |
+ 2.4 0 |
3.0﹤e≤4.0 |
+0.6 0 |
22.0﹤e≤23.0 |
+ 2.5 0 |
4.0﹤e≤5.0 |
+ 0.7 0 |
23.0﹤e≤24.0 |
+ 2.6 0 |
5.0﹤e≤6. 0 |
+ 0.8 0 |
24.0﹤e≤25.0 |
+ 2.7 0 |
6. 0﹤e≤7. 0 |
+ 0.9 0 |
25.0﹤e≤26.0 |
+ 2.8 0 |
7.0﹤e≤8.0 |
+ 1.0 0 |
26. 0 ﹤e≤7. 0 |
+ 2.9 0 |
8.0﹤e≤9.0 |
+1.1 0 |
27. 0﹤e≤28. 0 |
+ 3.0 0 |
9.0﹤e≤10.0 |
+ 1.2 0 |
28.0﹤e≤29.0 |
+ 3.1 0 |
10.0﹤e≤11.0 |
+ 1.3 0 |
29. 0﹤e≤30.0 |
+ 3.2 0 |
11.0﹤e≤12.0 |
+ 1.4 0 |
30. 0﹤e≤31.0 |
+ 3.3 0 |
12.0﹤e≤13.0 |
1.5 0 |
31.0﹤e≤32.0 |
+ 3.4 0 |
13.0﹤e≤14.0 |
+ 1.6 0 |
32.0﹤e≤33. 0 |
+3.5 0 |
14.0﹤e≤15.0 |
+ 1.7 0 |
33.0﹤e≤34.0 |
+3.6 0 |
15.0﹤e≤16.0 |
+ 1.8 0 |
34. 0﹤e≤35. 0 |
+ 3.7 0 |
16.0﹤e≤17.0 |
+ 1.9 0 |
35.0﹤e≤36.0 |
+ 3.8 0 |
17.0﹤e≤8.0 |
+ 2.0 0 |
36.0﹤e≤37.0 |
+ 3.9 0 |
18.0﹤e≤19.0 |
+ 2.1 0 |
37.0﹤e≤38.0 |
+ 4.0 0 |
19.0﹤e≤20.0 |
+ 2.2 0 |
38.0﹤e≤39.0 |
+4.1 0 |
公称外径dn |
弹性密封圈承口最小配合深度 mmin |
溶剂粘接承口 最小深度 mmin |
溶剂粘接承口中部平均内径dsm | |
dsm,min | dsm,max | |||
20 | — | 16.0 | 20.1 | 20.3 |
25 | — | 18.5 | 25.1 | 25.3 |
32 | — | 22.0 | 32.1 | 32.3 |
40 | — | 26.0 | 40.1 | 40.3 |
50 | — | 31.0 | 50.1 | 50.3 |
63 | 64 | 37.5 | 63.1 | 63.3 |
75 | 67 | 43.5 | 75.1 | 75.3 |
90 | 70 | 51.0 | 90.1 | 90.3 |
110 | 75 | 61.0 | 110.1 | 110.4 |
125 | 78 | 68.5 | 125.1 | 125.4 |
140 | 81 | 76.0 | 140.2 | 140.5 |
160 | 86 | 86.0 | 160.2 | 160.5 |
180 | 90 | 96.0 | 180.3 | 180.6 |
200 | 94 | 106.0 | 200.3 | 200.6 |
225 | 100 | 118.5 | 225.3 | 225.6 |
250 | 105 | — | — | — |
280 | 112 | — | — | — |
315 | 118 | — | — | — |
355 | 124 | — | — | — |
400 | 130 | — | — | — |
450 | 138 | — | — | — |
500 | 145 | — | — | — |
560 | 154 | — | — | — |
630 | 165 | — | — | — |
710 | 177 | — | — | — |
800 | 190 | — | — | — |
1000 | 220 | — | — | — |
注1:承口中部的平均内径是指在承口深度二分之一处所测定的相互垂直的两直径的算术平均值。 承口的最大锥度(a)不超过0°30′。 注2:当管材长度大于12 m时,密封圏式承口深度mmin需另行设计。 |
项 目 | 技术指标 | 试验方法 |
密度 /(kg/m3) | 1350—1460 | 见7.5 |
维卡软化温度/℃ | ≥280 | 见7.6 |
纵向回缩率/(%) | ≤5 | 见7.7 |
二氯甲烷浸渍试验(15℃,15 min) | 表面变化不劣于4N | 见7.8 |
项 目 | 技术指标 | 试验方法 |
落锤冲击试验(0℃) TIR/(%) 液压试验 |
≤ 5 无破裂,无渗漏 |
见7.9 见7.10 |
项 目 | 要 求 | 试验方法 |
连接密封试验 偏角试验a 负压试验a |
无破裂,无渗漏 无破裂,无渗漏 无破裂,无渗漏 |
见 7.11.1 见 7.11.2 见7. 11.3 |
a 仅适用于弹性密封圈连接方式。
|