燃气用埋地聚乙烯（pe）管材-j9游会真人游戏第一品牌
燃气用埋地聚乙烯（pe）管材
压力等级：燃气用埋地聚乙烯（pe）管道的工作压力详见下表。
pressure grade: the working pressure of buried polyethylene (pe) pipes for the supply of gaseous fuels is shown in the table below.
规格型号：dn20mm～dn630mm。
specification and model: dn20mm～dn630mm
执行标准：gb/t 15558.1-2015《燃气用埋地聚乙烯（pe）管材》。
executive standard: gb/t 15558.1-2015 buried polyethylene (pe) piping systems for the supply of gaseous fuels — part 1: pipes
性能特点：
performance features:
1.密度小，重量轻，容易搬运和安装；
1. low density, light weight, easy to handle and install;
2.可耐多种化学介质腐蚀；
2. be able to resist corrosion by a variety of chemical media;
3.水力性能优越，其磨阻系数仅为0.009；
3. excellent hydraulic performance: the wear resistance coefficient is only 0.009;
4.使用寿命长，可达50年以上；
4. long service lifetime: up to 50 years;
5.连接可靠；
5. reliable connection;
6.高韧性，抗震性能好；
6. high toughness and good seismic performance;
7.较好的抵抗慢速裂纹增长(scg)和快速裂纹扩展(rcp)的能力。
7. better resistance to slow crack growth (scg) and rapid crack propagation (rcp).
燃气用埋地聚乙烯（pe）管道最大允许的工作压力（mpa）
the maximum allowable working pressure (mpa) of buried polyethylene (pe) pipes for the supply of gaseous fuels
|
城镇燃气的种类
type of town gases |
pe80级管材 |
pe100级管材 |
|||
|
sdr11 |
sdr17.6 |
sdr11 |
sdr17.6 |
||
|
天然气
natural gas |
0.50 |
0.30 |
0.70 |
0.40 |
|
|
液化石油气
liquefied petroleum gas |
混空气
mixed with air |
0.40 |
0.20 |
0.50 |
0.30 |
|
气态
gaseous state |
0.20 |
0.10 |
0.30 |
0.20 |
|
|
人工煤气
manufactured gas |
干气
dry gas |
0.40 |
0.20 |
0.50 |
0.30 |
|
其它
others |
0.20 |
0.10 |
0.30 |
0.20 |
|
规格尺寸：燃气用埋地聚乙烯（pe）管材规格尺寸符合下表要求。
specification and dimension: the specification and dimension of buried polyethylene (pe) pipes for the supply of gaseous fuels meet the requirements in the following table.
常用sdr17.6和sdr11管材的最小壁厚
minimum wall thickness of frequently-used sdr17.6 and sdr11 pipes
|
公称外径dn/mm |
最小壁厚 minimum wall thickness /mm |
|
|
sdr17.6 |
sdr11 |
|
|
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 |
|
280 |
15.9 |
25.4 |
|
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 |
注：可根据客户要求，定制黄色和橙色管材。
note: the yellow and orange pipes can be customized according to customer requirements.
