管件当量长度计算表.doc

《管件当量长度计算表.doc》由会员上传分享，免费在线阅读，更多相关内容在教育资源-天天文库。

1、公称直径Dg，毫米名称开度80100150200250300350400450500600700当量长度，米3/4闭69901301702102603003503904305106001/2闭162132425262738595110130140闸阀1/4闭3.24.26.48.31113141619212529阀类全开0.540.731.21.41.82.12.32.83.23.64.25截止阀全开2736527090110125140160175210240旋起式止回阀全开6.38.11316

2、2124283337425058角阀全开14172735445261708189110125直角弯头5.47.01114172124283235424845°弯头262.33.13.94.65.36.17.17.69.311弯头回弯头67.812161923273236384655R=1Dg弯头2.12.84.25.57.08.29.51113141719R＝1.5Dg弯头1.72.23.34.35.56.37.48.510111315一般三通5.47.011141721242832354248三

3、通（直路出口）72.23.34.35.66.37.48.510111315三通三通（径支路出口）5.47.011141721242832354248异径三通（出口缩径1/4）2.12.84.25.57.08.29.1113141719弯头或异径三通（出口缩径1/4）2.53.45.16.68.3101213.515172023入塔或入重沸器3.64.56.791113.515.7182022.52731.5d/D=1/42.53.45.16.68.3101213.515172023突然扩张d/D=

4、1/21.61.934.05.05.96.87.89.11012.514d/D=3/40.540.731.21.41.82.12.32.83.23.64.25其他出塔或出重沸器1.82.33.44.65.86.989.210.511.513.816d/D=1/41.21.62.33.13.94.65.36.17.17.69.311突然收缩d/D=1/20.921.21.82.32.93.54.04.65.25.87.08.1d/D=3/40.540.731.21.41.82.12.32.83.23

5、.64.26表管件当量长度计算表