各管件水损估算表.xls

局部水头损失系数局部水头损失系数局部水头损失系数局部水头损失系数名称名称名称名称规格偏心减缩管渐放管渐缩管规格规格规格Dd钢制焊接弯管45度弯头800.26铸铁45度弯头750.17升降式止回阀7.5异径管大小头变径接头100750.160.030.161000.321000.21旋启式止回阀1506.51501000.170.080.171250.331250.222005.52001000.180.190.191500.361500.242504.51500.170.060.172000.362000.243003.52501000.190.270.22500.442500.2935031500.180.180.193000.393000.264002.52000.170.060.173500.453500.35001.83001000.20.320.24000.454000.36001.71500.190.260.24500.514500.34水泵入口12000.180.160.195000.485000.32圆形蝶阀全开0.22500.170.050.176000.516000.3450.243501500.20.30.27000.517000.34100.522000.190.250.28000.538000.35150.92500.180.150.199000.549000.36201.543000.170.050.17钢制焊接弯管90度弯头800.51铸铁90度弯头750.34252.514001500.20.330.211000.631000.42303.912000.20.30.21250.651250.43356.222500.190.240.21500.721500.484010.83000.180.130.192000.722000.484518.73500.170.040.172500.872500.585032.64502000.20.330.213000.783000.525558.82500.20.30.23500.893500.59601183000.190.250.24000.94000.6652563500.180.130.194501.014500.67707514000.170.040.175000.965000.6490 计算公式：H=V2/2g6001.016000.67软接头-光滑煨弯502局部水头损失系数7001.027000.681002.1名称说明8001.058000.71502.2等径三通直流汇合Q总=Q支时1.59001.079000.712002.3Q支=0时0.1计算公式：H=V2/2g计算公式：H=V2/2g2502.4直流分支Q总=Q支时1.53002.5Q支=0时0.1计算公式：H=V2/2g直流0.1转弯流1.5分直流1.5汇合流3计算公式：H=V总2/3g