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公制与英制换算表（适用于阀门）MetricEquivalentCharts英寸In./8/4/8/2/411/41/222/233/24毫米DN4610152025324050658090100公称英寸In.56810121416182024262830通径Size毫米DN125150200250300350400450500600650700750英寸In.32343642485460647280848896毫米DN8008509001050120013501500160018002000210022002400常用压力单位换算表http://www.gatevalve.cn/valves/units-conversion.gif压力等级Class和公称压力对照表磅级Class150300400600900150025000.6MPa2.5MPa公称压力1.0MPa4.0MPa6.4MPa10.0MPa15.0MPa25.0MPa42.0MPaMPa1.6MPa5.0MPa2.0MPa公称压力PNPN6PN25PN10PN40PN6.4PN100PN16PN50PN20113131111PN150PN250PN420阀门公称压力系列MPa(bar0.05(0.50.1(1.00.25(2.50.4(4.00.6(6.00.8(8.01.0(10.01.6(16.02.0(20.02.5(25.04.0(40.05.0(50.06.3(63.310.0(100.015.0(150.016.0(160.020.0(200.025.0(250.028.0(280.032.0(320.042.0(420.050.0(500.063.0(630.080.0(800.0100.0(1000.125.0(1250.160.0(1600.200.0(2000.250.0(2500.335.0(3350.000000
国际单位制中具有专门名称的导出单位量的名称频率力、重力压力、压强、应力能量、功、热功率、辐射通量电荷量电位、电压、电动势电容电阻电导磁通量磁通量密度、磁感应强度电感摄氏温度光通量光照度放射性活度吸收剂量剂量当量单位名称赫[兹]牛[顿]帕[斯卡]焦[耳]瓦[特]库[仑]伏[特]法[拉]欧[姆]西[门子]韦[伯]特[斯拉]亨[利]摄氏度流[明]勒[克斯]贝可[勒尔]戈[瑞]希[