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PVC管材可用于煤矿井下抽放瓦斯、正压通风、负压通风、供水排水、喷浆等各类用途。
PVC管材的规格
管材的规格尺寸与公称外径、公称压力对应的管材最小壁厚应符合表1的要求
表1 管材的公称外径、公称压力对应的最小壁厚
公称外径 mm | 公称压力 MPa |
0.6 | 0.8 | 1.0 | 1.25 | 1.6 |
最小壁厚 mm |
50 | — | 2.4 | 2.9 | 3.6 | 4.5 |
63 | 2.3 | 3.0 | 3.7 | 4.6 | 5.7 |
75 | 2.7 | 3.6 | 4.4 | 5.4 | 6.8 |
90 | 3.2 | 4.3 | 5.3 | 6.5 | 8.2 |
110 | 4.0 | 5.3 | 6.5 | 8.0 | 10.0 |
125 | 4.5 | 6.0 | 7.4 | 9.0 | 11.4 |
140 | 5.0 | 6.7 | 8.2 | 10.1 | 12.7 |
160 | 5.8 | 7.7 | 9.4 | 11.6 | 14.5 |
180 | 6.5 | 8.6 | 10.6 | 13.0 | 16.4 |
200 | 7.2 | 9.5 | 11.8 | 14.5 | 18.2 |
225 | 8.1 | 10.7 | 13.2 | 16.3 | 20.4 |
250 | 9.0 | 11.9 | 14.7 | 18.1 | 22.7 |
280 | 10.1 | 13.3 | 16.5 | 20.3 | 25.4 |
315 | 11.3 | 15.0 | 18.5 | 22.8 | 28.6 |
355 | 12.8 | 16.9 | 20.9 | 25.7 | 32.2 |
400 | 14.4 | 19.0 | 23.5 | 29.0 | 36.4 |
450 | 16.2 | 21.4 | 26.5 | 32.6 | 40.9 |
500 | 18.0 | 23.8 | 29.4 | 36.2 | 45.4 |
河南亿丰矿用塑材科技有限公司
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