钢丝网骨架聚乙烯复合管矿用通用管材的公称压力、公称外径、小壁厚及偏差
公称外径dn(mm) | 公称压力Mpa | |||||||
0.8 | 1 | 1.25 | 1.6 | 2 | 2.5 | 3.5 | ||
基本尺寸 | 极限偏差 | 最小壁厚及极限偏差/mm | ||||||
50 | 1.2 | 4.5 +1.2 | 5.5 +1.2 | 5.5 +1.5 | 5.5 +1.5 | |||
0 | 0 | 0 | 0 | 0 | ||||
63 | 1.2 | 4.5 +1.2 | 5.0 +1.2 | 5.5 +1.5 | 5.5 +1.5 | |||
0 | 0 | 0 | 0 | 0 | ||||
75 | 1.2 | 5.0 +1.2 | 5.0 +1.2 | 5.5 +1.5 | 6.0 +1.5 | |||
0 | 0 | 0 | 0 | 0 | ||||
90 | 1.4 | 5.5 +1.5 | 5.5 +1.5 | 5.5 +1.5 | 6.0 +1.5 | |||
0 | 0 | 0 | 0 | 0 | ||||
110 | 1.5 | 5.5 +1.5 | 5.5 +1.5 | 7.0 +1.5 | 7.0 +1.5 | 7.5 +1.5 | 8.5 +1.5 | |
0 | 0 | 0 | 0 |
0 |
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