


◆PE100燃气管规格
| 执行标准:GB 15558.1-2003 | 壁厚:mm | |
| 公称外径 dn,mm | PE100 | |
| SDR17.6 | SDR11 | |
| 压力≤0.6MPa | 压力≤1.0MPa | |
| 壁厚 | 壁厚 | |
| 20 | 2.3 | 3.0 |
| 25 | 2.3 | 3.0 |
| 32 | 2.3 | 3.0 |
| 40 | 2.3 | 3.7 |
| 50 | 2.9 | 4.6 |
| 63 | 3.6 | 5.8 |
| 75 | 4.3 | 6.8 |
| 90 | 5.2 | 8.2 |
| 110 | 6.3 | 10.0 |
| 125 | 7.1 | 11.4 |
| 140 | 8.0 | 12.7 |
| 160 | 9.1 | 14.6 |
| 180 | 10.3 | 16.4 |
| 200 | 11.4 | 18.2 |
| 225 | 12.8 | 20.5 |
| 250 | 14.2 | 22.7 |
| 315 | 17.9 | 28.6 |
| 355 | 20.2 | 32.3 |
| 400 | 22.8 | 36.4 |
| 450 | 25.6 | 40.9 |
| 500 | 28.4 | 45.5 |
| 560 | 31.9 | 50.9 |
| 630 | 35.8 | 57.3 |
◆PE100燃气管材性能要求
| 序 号 | 项 目 | 要 求 |
| 1 | 20℃静液压强度(环向应力20℃,9.0MPa≥100h) | 无破坏 |
| 2 | 80℃静液压强度(环向应力80℃,4.5MPa≥165h) | 无破坏 |
| 3 | 80℃静液压强度(环向应力80℃,4.0MPa≥1000h) | 无破坏 |
| 4 | 断裂伸长率% | >350 |
| 5 | 纵向收缩率(110℃),% | ≤3 |
| 6 | 热稳定性min(200℃) | >20 |
| 7 | 耐慢速裂纹增长(80℃,0.8MPa,165h) | 无破坏 |
| 熔体质量流动速率(MPa<20) | 7.1 |