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1、60。与90。折边锥形封头(JBll55,JBl156)内表面积与容积内径40Omnb厚度4mm,圆锥角分别为60及90折边锥形封头，其标记分别为:60折边锥形封头：Dg4004,JBl15590折边锥形封头：Dg4004,JB1155(1)60及90折边锥形封头的尺寸，内表面积与容积(mm)公称直径Dg锥体高度H圆弧半径r直边高度h内表面积F,m2容积V,m360906090609030027216945250.1810.1390.008790.00675(350)31719752.5250.2420.1840.01350.010040036222560250.3120.2360.01980
2、.0145400.3310.2550.02170.0164(450)40825368250.3900.2950.02760.020250045328175250.4780.3590.03750.0272400.5020.3830.04030.0301(550)49830982250.5740.4300.04920.035660054433790250.6780.5080.06320.0455400.7070.5360.06740.0498(650)58936598250.7920.5920.07960.0572（续表）公称直径Dg锥体高度H圆弧半径r直边高度h内表面积F,m2容积V,mi609
3、060906090700634393105250.9140.6820.09870.0707400.9480.7150.1040.07648007254501202510180.8820.1460.104401.220.9200.1530.Ill900815506135251.491.110.2050.146401.531.150.2140.1551000906562150251.831.360.280.198401.881.410.2910.209(1100)997618165252.211.640.370.261402.261.690.3840.27512001087675180252.62
4、1.940.4770.336402.681.990.4940.353(1300)1178731195253.072.270.6040.424403.132.330.6240.44414001269787210253.552.620.7510.527403.612.690.7740.550(1500)1359843225254.063.000.9210.645404.143.070.9480.67116001450899240254.623.401.110.779404.693.481.140.809(1700)1541956255255.203.831.330.931405.283.911.3
5、70.965180016311012270255.824.291.581.10405.914.371.621.14(1900)17221068285256.484.771.851.29406.574.861.901.33200018121124300257.175.282.161.50407.275.372.21.55220019941237330258.666.372.861.99408.776.472.922.052400217513493602510.37.563.702.574010.47.683.772.642600235614623902512.18.864.703.264012.28.984.783.342800253715744202514.010.35.874.064014.110.45.954.153000271916864502516.011.87.194.984016.211.97.305.09注：公称直径中带括号的表示不常用。
