煤矿井下用塑料（聚乙烯）管材-j9游会真人游戏第一品牌
煤矿井下用塑料（聚乙烯）管材
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压力等级：煤矿井下用供水排水、压风、喷浆管材公称压力为0.4mpa～1.6 mpa,抽放瓦斯气体管材的最高公称压力为-0.097mpa。
pressure grade: the nominal pressure of the water supply and drainage, pressure ventilation and spraying pipes in coal mining is 0.4mpa～1.6 mpa; the maximum nominal pressure of methane gas drainage pipes is -0.097mpa.
规格型号：dn20mm～dn1200mm。
specification and model: dn20mm～dn1200mm
执行标准： mt558.1-2005《煤矿井下用塑料管材第1部分:聚乙烯管材》、mt181-1988《煤矿井下用塑料管安全性能检验规范》。
executive standards: mt558.1-2005 plastic pipes in coal mining — part 1: polyethylene pipes and mt181-1988 code for the test on plastic pipe safety property for coal mining.
规格尺寸：煤矿井下用供水排水（ks）、压风（kf）、喷浆（kj）管材公称压力及规格尺寸应符合表1和表2的要求。
specification and dimension: the nominal pressure, specification and dimension of water supply and drainage (ks), pressure ventilation (kf) and spraying (kj) pipes in coal mining meet the requirements in tables 1 and 2.
表1 pe80级煤矿井下用塑料（聚乙烯）管材公称压力和规格尺寸
nominal pressure, specification and dimension of pe80 plastic (pe) pipes in coal mining
|
公称外径dn/mm |
公称壁厚en/mm |
||||
|
标准尺寸比 standard size ratio |
|||||
|
sdr33 |
sdr21 |
sdr17 |
sdr13.6 |
sdr11 |
|
|
公称压力/mpa |
|||||
|
0.4 |
0.6 |
0.8 |
1 |
1.25 |
|
|
20 |
/ |
/ |
/ |
/ |
2.0 |
|
25 |
/ |
/ |
/ |
/ |
2.3 |
|
32 |
/ |
/ |
/ |
/ |
3.0 |
|
40 |
/ |
/ |
/ |
/ |
3.7 |
|
50 |
/ |
/ |
/ |
/ |
4.6 |
|
63 |
/ |
/ |
/ |
4.7 |
5.8 |
|
75 |
/ |
/ |
4.5 |
5.6 |
6.8 |
|
90 |
/ |
4.3 |
5.4 |
6.7 |
8.2 |
|
110 |
/ |
5.3 |
6.6 |
8.1 |
10.0 |
|
125 |
/ |
6.0 |
7.4 |
9.2 |
11.4 |
|
140 |
4.3 |
6.7 |
8.3 |
10.3 |
12.7 |
|
160 |
4.9 |
7.7 |
9.5 |
11.8 |
14.6 |
|
180 |
5.5 |
8.6 |
10.7 |
13.3 |
16.4 |
|
200 |
6.2 |
9.6 |
11.9 |
14.7 |
18.2 |
|
225 |
6.9 |
10.8 |
13.4 |
16.6 |
20.5 |
|
250 |
7.7 |
11.9 |
14.8 |
18.4 |
22.7 |
|
280 |
8.6 |
13.4 |
16.6 |
20.6 |
25.4 |
|
315 |
9.7 |
15.0 |
18.7 |
23.2 |
28.6 |
|
355 |
10.9 |
16.9 |
21.1 |
26.1 |
32.2 |
|
400 |
12.3 |
19.1 |
23.7 |
29.4 |
36.3 |
|
450 |
13.8 |
21.5 |
26.7 |
33.1 |
40.9 |
|
500 |
15.3 |
23.9 |
29.7 |
36.8 |
45.4 |
|
560 |
17.2 |
26.7 |
33.2 |
41.2 |
50.8 |
|
630 |
19.3 |
30.0 |
37.4 |
46.3 |
57.2 |
|
710 |
21.8 |
33.9 |
42.1 |
52.2 |
★64.6 |
|
800 |
24.5 |
38.1 |
47.4 |
58.8 |
★72.7 |
|
900 |
★27.6 |
★42.9 |
53.3 |
★66.2 |
★81.8 |
|
1000 |
★30.6 |
★47.7 |
59.3 |
★73.5 |
★90.9 |
|
1200 |
★36.4 |
★57.2 |
★70.6 |
★88.2 |
★109.1 |
表2 pe100级煤矿井下用塑料（聚乙烯）管材公称压力和规格尺寸
nominal pressure, specification and dimension of pe100 plastic (pe) pipes in coal mining
|
公称外径dn/mm |
公称壁厚en/mm |
||||
|
标准尺寸比 standard size ratio |
|||||
|
sdr26 |
sdr21 |
sdr17 |
sdr13.6 |
sdr11 |
|
|
公称压力/mpa |
|||||
|
0.6 |
0.8 |
1 |
1.25 |
1.6 |
|
|
32 |
/ |
/ |
/ |
/ |
3.0 |
|
40 |
/ |
/ |
/ |
/ |
3.7 |
|
50 |
/ |
/ |
/ |
/ |
4.6 |
|
63 |
/ |
/ |
/ |
4.7 |
5.8 |
|
75 |
/ |
/ |
4.5 |
5.6 |
6.8 |
|
90 |
/ |
4.3 |
5.4 |
6.7 |
8.2 |
|
110 |
4.2 |
5.3 |
6.6 |
8.1 |
10.0 |
|
125 |
4.8 |
6.0 |
7.4 |
9.2 |
11.4 |
|
140 |
5.4 |
6.7 |
8.3 |
10.3 |
12.7 |
|
160 |
6.2 |
7.7 |
9.5 |
11.8 |
14.6 |
|
180 |
6.9 |
8.6 |
10.7 |
13.3 |
16.4 |
|
200 |
7.7 |
9.6 |
11.9 |
14.7 |
18.2 |
|
225 |
8.6 |
10.8 |
13.4 |
16.6 |
20.5 |
|
250 |
9.6 |
11.9 |
14.8 |
18.4 |
22.7 |
|
280 |
10.7 |
13.4 |
16.6 |
20.6 |
25.4 |
|
315 |
12.1 |
15.0 |
18.7 |
23.2 |
28.6 |
|
355 |
13.6 |
16.9 |
21.1 |
26.1 |
32.2 |
|
400 |
15.3 |
19.1 |
23.7 |
29.4 |
36.3 |
|
450 |
17.2 |
21.5 |
26.7 |
33.1 |
40.9 |
|
500 |
19.1 |
23.9 |
29.7 |
36.8 |
45.4 |
|
560 |
21.4 |
26.7 |
33.2 |
41.2 |
50.8 |
|
630 |
24.1 |
30.0 |
37.4 |
46.3 |
57.2 |
|
710 |
★27.2 |
★33.9 |
42.1 |
52.2 |
64.6 |
|
800 |
★30.6 |
★38.1 |
47.4 |
58.8 |
72.7 |
|
900 |
★34.4 |
★42.9 |
53.3 |
66.2 |
81.8 |
|
1000 |
★38.2 |
★47.7 |
59.3 |
73.5 |
90.9 |
|
1200 |
★46.2 |
★57.2 |
★70.6 |
★88.2 |
★109.1 |
注：带★的壁厚为参考壁厚，依照企业内控标准生产。
note: the wall thickness with ★ is the reference wall thickness. the corresponding pipes are produced according to the company's internal control standards.
