燃氣用埋地聚乙烯(PE)管材

2018/07/20


燃氣用埋地聚乙烯(PE)管材

Buried polyethylene (PE) pipes for the supply of gaseous fuels




壓力等級:燃氣用埋地聚乙烯(PE)管道的工作壓力詳見下表。

Pressure grade: the working pressure of buried polyethylene (PE) pipes for the supply of gaseous fuels is shown in the table below.

規格型號:dn20mm~dn630mm。

Specification and model: dn20mm~dn630mm

執行標準:GB/T 15558.1-2015《燃氣用埋地聚乙烯(PE)管材》。

Executive standard: GB/T 15558.1-2015 Buried Polyethylene (PE) Piping Systems for the Supply of Gaseous Fuels — Part 1: Pipes

性能特點:

Performance features:

1.密度小,重量輕,容易搬運和安裝;

1. Low density, light weight, easy to handle and install;

2.可耐多種化學介質腐蝕;

2. Be able to resist corrosion by a variety of chemical media;

3.水力性能優越,其磨阻系數僅為0.009;

3. Excellent hydraulic performance: the wear resistance coefficient is only 0.009;

4.使用壽命長,可達50年以上;

4. Long service lifetime: up to 50 years;

5.連接可靠;

5. Reliable connection;

6.高韌性,抗震性能好;

6. High toughness and good seismic performance;

7.較好的抵抗慢速裂紋增長(SCG)和快速裂紋擴展(RCP)的能力。

7. Better resistance to slow crack growth (SCG) and rapid crack propagation (RCP).




燃氣用埋地聚乙烯(PE)管道最大允許的工作壓力(MPa

The maximum allowable working pressure (MPa) of buried polyethylene (PE) pipes for the supply of gaseous fuels


城鎮燃氣的種類

Type of town gases

PE80級管材

PE100級管材

SDR11

SDR17.6

SDR11

SDR17.6

天然氣

Natural gas

0.50

0.30

0.70

0.40

液化石油氣

Liquefied petroleum gas

混空氣

Mixed with air

0.40

0.20

0.50

0.30

氣態

Gaseous state

0.20

0.10

0.30

0.20

人工煤氣

Manufactured gas

干氣

Dry gas

0.40

0.20

0.50

0.30

其它

Others

0.20

0.10

0.30

0.20

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規格尺寸:燃氣用埋地聚乙烯(PE)管材規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SDR17.6SDR11管材的最小壁厚

Minimum wall thickness of frequently-used SDR17.6 and SDR11 pipes


公稱外徑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:可根據客戶要求,定制黃色和橙色管材。

Note: the yellow and orange pipes can be customized according to customer requirements.


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