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1、椭圆形封头（JBll54）内表面积和容积查询（1）以内径为公称直径的椭圆形封头:标志举例：公称直径400mm,厚度4mm的椭圆形封头，其标记为：封头Dg400X4.（2）以外径为公称直径的椭圆形封头:标志举例：公称直径40Onlnb厚度4mm的椭圆形封头，其标记为：封头Dg400X4.（3）以内径为公称直径的椭圆形封头的内表面积和容积:公称直曲面高直边高内表面积容积公称直曲面高直边高内表面积Fm2容积径度度V径度度VDgh1h2ID2mDghih2i300(350)758825250.1210.1600.005300.00802(1500)3752540502.552.622.670.4870
2、.5130.53040010025400.2040.2230.01150.013416004002540502.892. 973. 020.5870.6170.637(450)11225400.2540.2750.01580.0183(1700)4252540503.253.343.390.7000.7340.757250.3090.0213253.640.826500125400.3330.02421800450403.730.866500.3490.0262503.780.889(550)13725400.3700.3960.02770.0313(1900)47525404.054.140
3、.9711.01500.4130.0336250.4360.0352254.481.13600150400.4640.03962000500404.571.18500.4830.0425504.631.20(650)162250.5070.0442(2100)525405.031.3640500.5380.5580.04930.0526250.5840.0545255.401.49700175400.6170.06032200550405.501.54500.6390.0642505.571.58250.7540.0796800200400.7920.0871(2300)575406.001.
4、76500.8120.0921250.9450.112256.411.93900225400.8800.1212400600406.0522.00501.020.127506.602.05251.160.151257.502.431000250401.210.1622600650407.632.51501.240.170507.712.56(HOO)2752540501.401.451.490.1980.2120.222280070040508.828.913.123.1812003002540501.651.711.750.2550.2720.2833000750405010.110.23.823.89(1300)3252540501.931.992.030.3210.3410.3543200800405011.511.64.614.6914003502540502.232.292.330.3980.4210.436340036003800400085090095010005050505013.014.616.217.95.606.627.759.02
