1、表 1 每 10米排水铸铁承插管刷油表面积 单位：m 2/10m公称直径 DN50 DN75 DN100 DN125 DN150表面积 1.885 2.670 3.456 4.3304 5.089表 2 每 10米焊接钢管刷油、绝热工程量绝热层厚度（mm）公称直径钢管表面积 20 25 30 35 40 45 50 60 70 8015 0.668 0.0272.245 0.0382.575 0.0512.904 0.0653.234 0.0813.545 0.0993.894 0.1184.224 0.1624.884 0.2135.543 0.2706.20320 0.840 0.0312
2、.417 0.0432.747 0.0563.077 0.0713.407 0.0883.737 0.1074.067 0.1274.397 0.1735.056 0.2255.716 0.2846.37625 1.052 0.0352.630 0.0482.959 0.0633.289 0.0793.619 0.0973.949 0.1174.279 0.1384.609 0.1865.268 0.2405.928 0.3016.58832 1.327 0.0412.904 0.0553.234 0.0713.564 0.0893.894 0.1084.224 0.1304.554 0.15
3、24.884 0.2035.543 0.2606.203 0.3246.86240 1.508 0.0453.085 0.0603.415 0.0773.745 0.0964.075 0.1164.405 0.1384.734 0.1625.064 0.2145.724 0.2736.384 0.3397.04350 1.885 0.0523.462 0.0703.792 0.0894.122 0.1094.452 0.1324.782 0.1565.122 0.1815.441 0.2386.101 0.3016.761 0.3707.42165 2.312 0.0623.949 0.082
4、4.279 0.1034.608 0.1284.939 0.1525.268 0.1785.598 0.2065.928 0.2686.588 0.3367.248 0.4107.90780 2.780 0.0714.357 0.0924.687 0.1165.017 0.1405.347 0.1695.677 0.1976.007 0.2276.337 0.2936.996 0.3657.656 0.4448.316100 3.581 0.0875.158 0.1135.488 0.1405.818 0.1696.148 0.2026.478 0.2346.807 0.2697.138 0.
5、3427.797 0.4238.457 0.5119.117125 4.398 0.1045.975 0.1346.305 0.1656.635 0.1996.965 0.2357.295 0.2727.625 0.3117.954 0.3938.613 0.4829.274 0.5789.934150 5.184 0.1216.761 0.1547.091 0.1897.421 0.2277.750 0.2688.080 0.3098.410 0.3518.739 0.4429.400 0.53910.059 0.64310.719计算公式：V=(D+)*100mS= (D+2)*100m表
6、 3 塑料管及复合管管道支架的最大间距（m）管径（mm） 12 14 16 18 20 25 32 40 50 63 75 90 110立管 0.5 0.6 0.7 0.8 0.9 1.0 1.1 1.3 1.6 1.8 2.0 2.2 2.4冷水管0.4 0.4 0.5 0.5 0.6 0.7 0.8 0.9 1.0 1.1 1.2 1.35 1.55最大间距（m）水平管热水管0.2 0.2 0.25 0.3 0.3 0.35 0.4 0.5 0.6 0.7 0.8 1.0 1.1表 4 管道支架的间距表（m）管径（mm）15 20 25 32 40 50 70 80 100 125 150
7、 200 250 300无保温层 2.5 3 3.5 4 4.5 5 6 6 6.5 7 8 9.5 11 12有保温层 1.5 2 2 2.5 3 3 4 4 4.5 5 6 7 8 8.5表 5 每 10 米无缝钢管、钢板卷管及螺旋缝钢管刷油、绝热工程量绝热层厚度（）公称直径管子外径钢 管表面积 20 25 30 35 40 45 50 60 70 8015 18 0.565 0.0252.142 0.0352.472 0.0482.802 0.0623.132 0.0073.462 0.0943.792 0.1134.122 0.1564.872 0.2065.44120 25 0.78
8、5 0.0302.362 0.0412.692 0.0553.022 0.0693.352 0.0863.682 0.1044.012 0.1244.342 0.1695.001 0.2215.66125 32 1.010 0.0342.582 0.0462.912 0.0613.242 0.0773.572 0.0963.902 0.1144.232 0.1424.665 0.1895.324 0.2455.98532 38 1.193 0.0382.771 0.0523.101 0.0673.431 0.0853.760 0.1034.090 0.1234.420 0.1464.750 0
9、.1945.410 0.2516.07040 45 1.413 0.0412.991 0.0583.321 0.0743.685 0.0923.980 0.1124.310 0.1334.640 0.1574.970 0.2095.630 0.2656.28950 57 1.790 0.0513.360 0.0673.696 0.0864.025 0.1054.355 0.1274.686 0.1515.015 0.1775.344 0.2316.004 0.2936.66365 76 2.396 0.0633.963 0.0834.292 0.1044.622 0.1274.952 0.15
10、25.218 0.1795.611 0.2075.941 0.2696.600 0.3377.26080 89 2.795 0.0714.371 0.0934.701 0.1175.030 0.1435.360 0.1695.690 0.1976.019 0.2286.349 0.2937.008 0.3687.668100 108 3.391 0.0844.967 0.1085.297 0.1355.627 0.1635.957 0.1946.286 0.2256.616 0.2576.946 0.3317.605 0.4098.264125 133 4.810 0.1005.752 0.1
11、296.082 0.1596.412 0.1926.804 0.2267.071 0.2627.401 0.3007.731 0.3798.390 0.4669.049 0.5609.709150 159 5.090 0.1176.569 0.1506.899 0.1857.228 0.2217.558 0.2607.888 0.3008.217 0.3428.547 0.4309.206 0.5259.866 0.62710.525绝热层厚度（）公称直径管子外径钢 管表面积 40 45 50 60 70 80 90 100 110 120200 219 6.880 0.3389.772 0.
12、38710.1010.43910.4310.56411.0900.66111.7500.78312.4090.91113.6091.04513.7381.18714.513250 273 8.580 0.40811.4670.46611.7970.58912.4560.65212.7860.78413.4450.99214.1051.06814.7641.22115.4331.37916.083300 325 10.201 0.47513.1000.54213.4300.61113.7590.75314.4190.90215.0781.05815.7381.22016.3971.38917.0
13、661.56517.7161.74818.385400 426 13.380 0.60616.2800.69016.6100.77516.9390.95717.5991.13218.2591.32018.9191.51519.5781.71820.2481.92720.8982.14221.558478 15.020 0.67517.91330.76518.2430.85918.5731.05219.2331.25019.8931.45520.5221.66721.2121.88621.8812.11222.5322.34423.191450480 15.080 0.67717.9760.76
14、918.3060.86318.6361.05519.2961.25519.9551.46120.6151.67321.275.89321.935.11922.5942.35223.254529 16.620 0.74119.5160.84119.8450.94220.1751.15120.8361.36621.4951.58822.1551.81722.8142.05223.4832.29424.1342.54224.794500530 16.650 0.74219.5470.84219.8770.94420.2071.15320.8671.36821.5261.59122.1861.82022.8462.05523.5062.29824.1652.54724.825600 630 19.770 0.87222.6890.98823.0181.10623.3421.34724.0061.59524.6681.85025.3282.11125.9872.38026.6562.51626.9772.93627.967
