
24小时销售热线:手机:18223168448易经理
煤矿井下用钢丝网骨架聚乙烯复合管
煤矿井下用钢丝网骨架聚乙烯管,是以缠绕钢丝网为中间层,内外层为煤矿井下用阻燃抗静电X 聚乙烯塑料,采用X热熔胶,通过挤出成型方法复合成一体的管材(管材结构见图)。
分类、型号和规格
1、分类
煤矿井下用钢丝网骨架聚乙烯管可分为气体通用管(KMQ)和液体通用管(KML)。气体通用管 CKMQ)可用于煤矿井下正压通风、负压通风、抽放瓦斯等:液体通用管(KML)可用于煤矿井下供 水排水、喷浆等。
2、规格型号
表1气体通用管规格尺寸
公称外径(dn)/mm | 公称压力/MPa | ||||||||||
0.4 | 0.6 | 0.8 | 1.0 | 1.25 | |||||||
基本尺寸 | 极限偏差 | 公称壁厚en及极限偏差/mm | |||||||||
50 | +1.2 0 | 4.5 | +1.2 0 | 5.0 | +1.2 0 | 5.5 | +1.5 0 | 5.5 | +1.5 0 | ||
63 | +1.2 0 | 4.5 | +1.2 0 | 5.0 | +1.2 0 | 5.5 | +1.5 0 | 5.5 | +1.5 0 | ||
75 | +1.2 0 | 5.0 | +1.2 0 | 5.0 | +1.2 0 | 5.5 | +1.5 0 | 6.0 | +1.5 0 | ||
90 | +1.4 0 | 5.5 | +1.5 0 | 5.5 | +1.5 0 | 5.5 | +1.5 0 | 6.0 | +1.5 0 | ||
110 | +1.5 0 | 5.5 | +1.5 0 | 7.0 | +1.5 0 | 7.0 | +1.5 0 | 7.5 | +1.5 0 | 8.5 | +1.5 0 |
140 | +1.7 0 | 5.5 | +1.5 0 | 8.0 | +1.5 0 | 8.5 | +1.5 0 | 9.0 | +1.5 0 | 9.5 | +1.5 0 |
160 | +2.0 0 | 6.0 | +1.5 0 | 9.0 | +1.5 0 | 9.5 | +1.5 0 | 10.0 | +2.0 0 | 10.5 | +2.0 0 |
200 | +2.3 0 | 6.0 | +1.5 0 | 9.5 | +1.5 0 | 10.5 | +2.0 0 | 11.0 | +2.0 0 | 12.5 | +2.2 0 |
225 | +2.5 0 | 8.0 | +1.5 0 | 10.0 | +2.0 0 | 10.5 | +2.0 0 | 11.0 | +2.0 0 | ||
250 | +2.5 0 | 10.5 | +2.0 0 | 12.0 | +2.2 0 0 | 12.0 | +2.2 0 | 12.5 | +2.2 0 | ||
315 | ++2.7 0 | 11.5 | +2.0 0 | 13.0 | +2.5 0 | 13.0 | +2.5 0 | ||||
355 | +2.8 0 | 12.0 | +2.2 0 | 14.0 | +2.5 0 | ||||||
400 | +3.0 0 | 12.5 | +2.2 0 | 15.0 | +2.8 0 | ||||||
450 | +3.2 0 | 13.5 | +2.5 0 | 16.0 | +2.8 0 | ||||||
500 | +3.2 0 | 15.5 | +2.8 0 | 18.0 | +3.0 0 | ||||||
560 | +3.2 0 | 17.0 | +3.0 0 | 20.0 | +3.0 0 | ||||||
630 | +3.2 0 | 20.0 | +3.0 0 | 23.0 | +3.0 0 |
表2 液体通用管规格尺寸
公称外径(dn)/mm | 公称压力/MPa | ||||||||||||||
0.8 | 1.0 | 1.25 | 1.6 | 2.0 | 2.5 | 3.5 | |||||||||
基本尺寸 | 极限 偏差 | 公称壁厚en及极限偏差/mm | |||||||||||||
50 | +1.2 0 | 4.5 | +1.2 0 | 5.0 | +1.2 0 | 5.5 | +1.5 0 | 5.5 | +1.5 0 | ||||||
63 | +1.2 0 | 4.5 | +1.2 0 | 5.0 | +1.2 0 | 5.5 | +1.5 0 | 5.5 | +1.5 0 | ||||||
75 | +1.2 0 | 5.0 | +1.2 0 | 5.0 | +1.2 0 | 5.5 | +1.5 0 | 6.0 | +1.5 0 | ||||||
90 | +1.4 0 | 5.5 | +1.5 0 | 5.5 | +1.5 0 | 5.5 | +1.5 0 | 6.0 | +1.5 0 | ||||||
110 | +1.5 0 | 5.5 | +1.5 0 | 5.5 | +1.5 0 | 7.0 | +1.5 0 | 7.0 | +1.5 0 | 7.5 | +1.5 0 | 8.5 | +1.5 0 | ||
140 | +1.7 0 | 5.5 | +1.5 0 | 5.5 | +1.5 0 | 8.0 | +1.5 0 | 8.5 | +1.5 0 | 9.0 | +1.5 0 | 9.5 | +1.5 0 | ||
160 | +2.0 0 | 6.0 | +1.5 0 | 6.0 | +1.5 0 | 9.0 | +1.5 0 | 9.5 | +1.5 0 | 10.0 | +2.0 0 | 10.5 | +2.0 0 | ||
200 | +2.3 0 | 6.0 | +1.5 0 | 6.0 | +1.5 0 | 9.5 | +1.5 0 | 10.5 | +2.0 0 | 11.0 | +2.0 0 | 12.5 | +2.2 0 | ||
225 | +2.5 0 | 8.0 | +1.5 0 | 8.0 | +1.5 0 | 10.0 | +2.0 0 | 10.5 | +2.0 0 | 11.0 | +2.0 0 | ||||
250 | +2.5 0 | 8.0 | +1.5 0 | 10.5 | +2.0 0 | 10.5 | +2.0 0 | 12.0 | +2.2 0 | 12.0 | +2.2 0 | 12.5 | +2.2 0 | ||
315 | ++2.7 0 | 9.5 | +1.5 0 | 11.5 | +2.0 0 | 11.5 | +2.0 0 | 13.0 | +2.5 0 | 13.0 | +2.5 0 | ||||
355 | +2.8 0 | 10.0 | +1.8 0 | 12.0 | +2.2 0 | 12.0 | +2.2 0 | 14.0 | +2.5 0 | ||||||
400 | +3.0 0 | 10.5 | +2.0 0 | 12.5 | +2.2 0 | 12.5 | +2.2 0 | 15.0 | +2.8 0 | ||||||
450 | +3.2 0 | 11.5 | +2.0 0 | 13.5 | +2.5 0 | 13.5 | +2.5 0 | 16.0 | +2.8 0 | ||||||
500 | +3.2 0 | 12.5 | +2.2 0 | 15.5 | +2.8 0 | 15.5 | +2.8 0 | 18.0 | +3.0 0 | ||||||
560 | +3.2 0 | 17.0 | +3.0 0 | 20.0 | +3.0 0 | ||||||||||
630 | +3.2 0 | 20.0 | +3.0 0 | 23.0 | +3.0 0 |