PE燃氣管采用單螺桿超高交聯(lián)聚乙烯管材擠出工藝，是利用柱塞對物料施加200~500MPa的超高壓，使物料在溫度240~260℃的加長口模中發(fā)生交聯(lián)的一種直接擠出技術(shù)。該技術(shù)產(chǎn)品質(zhì)量穩(wěn)定、結(jié)構(gòu)均一。 |
PE Fuel Gas Pipe adopts the single screw cross-linked polyethylene extrusion processing with extra high tension,which may exert the extra high tension of 200-500MPa on the materials by utilizing the plunger,it belongs to one kind of direct extrusion processing,to make the materials become cross-linked in the lengthened neck ring mold with the temperature of 240~260℃。This technical product has good features as stable quality and uniform structure. |
PE燃氣管選用優(yōu)質(zhì)進口燃氣管道專用原料制造，具有記憶膨脹效用，確保管件熱熔焊接質(zhì)量。重量輕、柔韌性好、抗沉降性優(yōu)異、耐化學(xué)性能好、耐環(huán)境應(yīng)力開裂性優(yōu)異、施工簡單、土方量少、管道維護費用低、工程造價低，使用壽命達50年以上。 |
PE Fuel Gas Pipe adopts the high quality imported raw materials special for the production of fuel gas pipe.It has the effection of memory expansion.It may ensure the welding quality of pipe hot melting.It has the good performance characters such as light in weight,good flexibility,excellent resistant settleability,good chemical resistance,excellent environmental stress cracking resistance,simple in construction,less in earth volume,low expenses in pipe maintencance,low in engineering cost,and over 50 years in using life. |
產(chǎn)品主要用于燃氣工業(yè)燃氣輸配領(lǐng)域中，-20℃~——40℃人工煤氣或液化石油等工作不大于0.4MPa,可燃氣氣體的輸送。 |
The products is mainly used for the fuel gas distributing of fuel gas industry,for -20℃~——40℃ manufactured gas or LPG(liquefied petroleum gas)with working pressure less than 0.4MPa,transporting of combustible gas. |
公稱外徑
Nominal diameter
mm |
壁厚 Thickness mm |
| SDR11 |
SDR17.6 |
公稱壓力(MPa)≤0.4MPa
Nominal pressure≤0.4MPa |
公稱壓力(MPa)≤0.2MPa
Nominal pressure≤0.2MPa |
| 25 |
3.0 |
2.3 |
| 32 |
3.0 |
2.3 |
| 40 |
3.7 |
2.3 |
| 50 |
4.6 |
2.9 |
| 63 |
5.8 |
3.6 |
| 75 |
6.8 |
4.3 |
| 90 |
8.2 |
5.2 |
| 110 |
10.0 |
6.3 |
| 125 |
11.4 |
7.1 |
| 160 |
14.6 |
9.1 |
| 180 |
16.4 |
10.3 |
|
公稱外徑
Nominal diameter
mm |
壁厚 Thickness mm |
| SDR11 |
SDR17.6 |
公稱壓力(MPa)≤0.4MPa
Nominal pressure≤0.4MPa |
公稱壓力(MPa)≤0.2MPa
Nominal pressure≤0.2MPa |
| 200 |
18.2 |
11.4 |
| 225 |
20.5 |
12.8 |
| 250 |
22.7 |
14.2 |
| 315 |
28.6 |
17.9 |
| 355 |
32.3 |
20.2 |
| 400 |
36.4 |
22.8 |
| 450 |
40.9 |
25.6 |
| 500 |
45.5 |
28.4 |
| 560 |
50.9 |
31.9 |
| 630 |
57.3 |
35.8 |
| 710 |
64.5 |
40.3 |
| 800 |
72.7 |
45.5 |
|
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