DN | 內(nèi) 涂 層 | 外 涂 層 | ||||
聚乙烯 | 環(huán)氧樹(shù)脂 | 聚乙烯 | 環(huán)氧樹(shù)脂 | |||
普通級(jí) | 加強(qiáng)級(jí) | 普通級(jí) | 加強(qiáng)級(jí) | |||
15 | >0.4 | >0.3 | >0.6 | >0.8 | >0.3 | >0.35 |
20 | ||||||
25 | ||||||
32 | ||||||
40 | ||||||
50 | ||||||
65 | ||||||
80 | >0.5 | >0.35 | >0.8 | >1.0 | >0.35 | >0.4 |
100 | ||||||
125 | ||||||
150 | ||||||
200 | >0.6 | >1.2 | ||||
250 | ||||||
300 | ||||||
350 |
一 |
>0.4 | >1.0 | >1.3 | >0.4 | >0.45 |
400 | ||||||
450 | ||||||
500 | ||||||
600 | ||||||
700 | ||||||
800 | ||||||
900 | >0.45 | >1.2 | >1.8 | |||
1000 | ||||||
1100 | ||||||
1200 | ||||||
1400 | >1.5 | |||||
1500 | ||||||
1600 | ||||||
1800 | ||||||
2000 |
涂塑復(fù)合鋼管的壁厚選擇 | |||||||||||||||
壓力等級(jí) | 0.6MPa | 0.8Mpa | 1.0Mpa | 1.6Mpa | 2.0Mpa |
長(zhǎng)度 (米/根) |
備注 | ||||||||
序號(hào) | 公稱直徑DN | 外徑(mm)D或Φ | 鋼板材質(zhì) | 壁厚 | 內(nèi)徑(mm) | 壁厚 | 內(nèi)徑(mm) | 壁厚 | 內(nèi)徑(mm) | 壁厚 | 內(nèi)徑(mm) | 壁厚 | 內(nèi)徑(mm) | ||
1 | 100 | 114 | Q235B | 3.5 | 107.0 | 3.75 | 106.5 | 4 | 106.0 | 4 | 106.0 | 4 | 106.0 | 6m |
鋼管采用 焊接鋼管 |
2 | 150 | 165 | Q235B | 3.5 | 158.0 | 3.75 | 157.5 | 4 | 157.0 | 4.5 | 156.0 | 4.5 | 156.0 | 6m或12m | |
3 | 200 | 219 | Q235B | 3.75 | 211.5 | 4 | 211 | 4.25 | 210.5 | 4.5 | 210.0 | 4.75 | 209.5 | 12m | |
4 | 250 | 273 | Q235B | 5 | 263.0 | 5 | 263.0 | 5 | 263.0 | 6 | 261.0 | 6 | 261.0 | 12m | |
5 | 300 | 325 | Q235B | 5 | 315.0 | 5 | 315.0 | 5 | 315.0 | 6 | 313.0 | 6 | 313.0 | 12m | |
6 | 350 | 377 | Q235B | 5 | 367.0 | 5 | 367.0 | 6 | 365.0 | 6 | 365.0 | 6 | 365.0 | 12m | |
7 | 400 | 426 | Q235B | 5 | 416.0 | 5 | 416.0 | 6 | 414.0 | 6 | 414.0 | 7 | 412.0 | 12m | |
8 | 450 | 478 | Q235B | 6 | 466.0 | 6 | 466.0 | 6 | 466.0 | 6 | 466.0 | 7 | 464.0 | 12m | |
9 | 500 | 529 | Q235B | 6 | 517.0 | 6 | 517.0 | 6 | 517.0 | 6 | 517.0 | 7 | 515.0 | 12m | |
10 | 600 | 630 | Q235B | 6 | 618.0 | 6 | 618.0 | 6 | 618.0 | 7 | 616.0 | 7 | 616.0 | 12m | |
11 | 700 | 720 | Q235B | 6 | 708.0 | 6 | 708.0 | 7 | 708.0 | 7 | 706.0 | 8 | 704.0 | 12m | |
12 | 800 | 820 | Q235B | 7 | 806.0 | 7 | 806.0 | 8 | 806.0 | 7 | 806.0 | 8 | 804.0 | 12m | |
13 | 900 | 920 | Q235B | 8 | 904.0 | 8 | 904.0 | 8 | 904.0 | 8 | 904.0 | 8 | 904.0 | 12m | |
14 | 1000 | 1020 | Q235B | 8 | 1004.0 | 8 | 1004.0 | 8 | 1004.0 | 8 | 1000.0 | 10 | 1000.0 | 12m | |
15 | 1200 | 1220 | Q235B | 8 | 1204.0 | 8 | 1204.0 | 10 | 1204.0 | 10 | 1196.0 | 12 | 1196.0 | 12m | |
16 | 1400 | 1420 | Q235B | 10 | 1400.0 | 10 | 1400.0 | 10 | 1400.0 | 12 | 1396.0 | 12 | 1396.0 | 12m | |
17 | 1500 | 1520 | Q235B | 10 | 1500.0 | 10 | 1500.0 | 12 | 1500.0 | 12 | 1496.0 | 12 | 1496.0 | 12m | |
18 | 1600 | 1620 | Q235B | 12 | 1596.0 | 12 | 1596.0 | 12 | 1596.0 | 14 | 1592.0 | 14 | 1592.0 | 12m | |
19 | 1800 | 1820 | Q235B | 12 | 1796.0 | 12 | 1796.0 | 14 | 1796.0 | 14 | 1792.0 | 16 | 1788.0 | 12m | |
20 | 2000 | 2020 | Q235B | 14 | 1992.0 | 14 | 1992.0 | 14 | 1992.0 | 14 | 1992.0 | 16 | 1988.0 | 12m | |
21 | 2200 | 2220 | Q235B | 14 | 2192.0 | 14 | 2192.0 | 16 | 2192.0 | 14 | 2192.0 | 16 | 2188.0 | 12m | |
22 | 2400 | 2420 | Q235B | 16 | 2388.0 | 16 | 2388.0 | 16 | 2388.0 | 16 | 2388.0 | 18 | 2384.0 | 12m | |
23 | 2600 | 2620 | Q235B | 16 | 2588.0 | 16 | 2588.0 | 16 | 2588.0 | 16 | 2588.0 | 18 | 2584.0 | 12m |
規(guī)格型號(hào) | 每車裝運(yùn)數(shù)量(根) |
DN200 | 90—100 |
DN250 | 70 |
DN300 | 48 |
DN350 | 35 |
DN400 | 30 |
DN450 | 23 |
DN500 | 20 |
DN600 | 12 |
DN700 | 10 |
DN800 | 8 |
DN900 | 6 |
DN1000 | 5 |
DN1200 | 4 |
DN1400 | 2 |
DN1600 |
1 |
管徑比較結(jié)論:相同流量和流速條件下,球墨鑄鐵采用DN800口徑,鋼塑復(fù)合管選用DN700即可滿足要求。
價(jià)格比較結(jié)論:
同等口徑的鋼塑復(fù)合管比球墨鑄鐵管價(jià)格至少低12%以上,如上述一、二比較后,若縮小一個(gè)等級(jí)口徑,鋼塑復(fù)合管比球墨鑄鐵管價(jià)格低至少30%以上。
涂塑復(fù)合鋼管長(zhǎng)輸管線價(jià)格優(yōu)勢(shì)更為明顯。