1、管路损耗参考表管径（mm） 2538506575100125150175 200250300流量（L/S）1 3.273.50.82 13.0143.10.80.4455133.21.60.46297.13.30.80.238 135.91.30.40.1610209.62.10.630.260.1115 21.6 6.81.30.580.270.13208.62.71.10.50.260.07 25134.11.60.740.370.123019.45.92.31.050.530.180.074010.74.21.90.930.300.12 506.42.91.50.480.19 609.4
2、4.32.10.680.27705.82.90.930.37 807.73.71.20.49 909.64.71.50.6 1006.11.90.76 1107.22.30.9 1208.52.81.1 1303.31.3 1403.71.5 直管摩擦损失表（供估计用）1604.92.0 100m直管损失米数1805.22.4 （以新铸管为标准，旧管加倍）2003.0 阀及弯管折合直管长度（每个）种类折合直管直径倍数备注全开闸阀12未畅开加倍标准弯管25逆止阀100底阀100部分堵塞加倍 一定管路直径之最大流量限制管路直径（mm）最大流量（L/S）最大流速（m/s）管路直径（mm）最大流量（L/S）最大流速（m/s2512.0412530.02.44382.51.6915043.02.45504.172.1217560.02.49656.672.0120083.32.697510.02.26250133.32.7210018.42.33300192.02.71
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