以内径为公称直径的椭圆形封头的尺寸

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1、以内径为公称直径的椭圆形封头的尺寸、内表面积、容积（mm）公称直径Dg曲面高度H1直边高度H2内表面积（F．m2）容积（V．m2）30075250.1210.00530(350)88250.1600.0080240010025400.2040.2230.01150.0134(450)11225400.2540.2750.01580.01835001252540500.3090.3330.3490.02130.02420.0262(550)1372540500.3700.3960.4130.02770.03130.0336600

2、1502540500.4360.4640.4830.03520.03960.0425(650)1622540500.5070.5380.5580.04420.04930.05267001752540500.5840.6170.6390.05450.06030.06428002002540500.7540.7920.8170.07960.08710.09219002252540500.9450.8801.020.1120.1210.12710002502540501.161.211.240.1510.1620.170(1100)

3、2752540501.401.451.490.1980.2120.22212003002540501.651.711.750.2550.2720.283(1300)3252540501.931.992.030.3210.3410.354公称直径Dg曲面高度H1直边高度H2内表面积（F．m2）容积（V．m2）14003502540502.232.292.330.3980.4210.436(1500)3752540502.552.622.670.4870.5130.53016004002540502.892.973.020.587

4、0.6170.637(1700)4252540503.253.343.390.7000.7340.75718004502540503.643.733.780.8260.8660.889(1900)47525404.054.140.9711.0120005002540504.484.574.631.131.181.20(2100)525405.031.3622005502540505.405.505.571.491.541.58(2300)575406.001.7624006002540506.416.526.601.932.0

5、02.0526006502540507.507.637.712.432.512.56280070040508.828.913.123.183000800405010.110.23.823.893200800405011.511.54.614.69340036003800400085090095010005050505013.014.616.217.95.606.627.759.02常用钢管选型表公称直径外径公称直径外径DN50φ57DN300φ325DN70φ73DN350φ377DN80φ89DN400φ426DN100φ1

6、08DN450φ480DN125φ133DN500φ530DN150φ159DN600φ630DN200φ219DN700φ720DN250φ273DN800φ820镀锌钢管选型表MM英吋外径牙数61/8φ1φ02881/4φ13.519103/8φ1719151/2φ21.314203/4φ26.814251φ33.5113211/4φ42.3114011/2φ4811502φ60116521/2φ75.511803φ88.5111004φ11411