流量計口徑與流速的關系:口徑最小流速經(jīng)濟流速最大流速最小流量經(jīng)濟流量最大流量mmm/sm/sm/sm3/hm3/hm3/h250.013160.07 21 113 500.013160.28 85 452 800.013160.72 217 1158 1000.013161.13 339 1809 1500.013162.54 763 4069 2000.013164.52 1356 7235 2
流量計口徑與流速的關系:口徑最小流速經(jīng)濟流速最大流速最小流量經(jīng)濟流量最大流量mmm/sm/sm/sm3/hm3/hm3/h250.013160.07 21 113 500.013160.28 85 452 800.013160.72 217 1158 1000.013161.13 339 1809 1500.013162.54 763 4069 2000.013164.52 1356 7235 2