负荷范围比摩阻范围0181835357701313202040407575120120250250400400700700150015002300230035003500以上03046722969249601929621659218612038021252213721787321640175731696514961以上
管径1520253240506580100125150200250300350阻力计算（KPa）项目冷水机组去冷冻机房内，集分水器、除污器、管路的阻力管线长度100平均比摩阻200局阻百分比05电动两通阀末端阻力系数取值60502010404511
f（KPa）阻力
2475
fr