德国贝克真空泵U-油旋片真空泵技术参数50HzUU3.6SAU3.10SAU4.20U3.25SAU3.40SAU4.70SA/KU4.70F/KU4.100SA/KU4.100F/KU4.165SA/K抽气速度m3/h6.5121825427070100100160极限真空mbar3313330.530.53电机功率KW0.250.370.550.751.11.51.52.22.23.0技术参数50HzUU4.165F/KU4.190SA/KU4.190F/KU4.250SA/KU4.250F/KU4.400SA/KU4.400F/KU4.630SA/KU4.630F/K抽气速度m3/h4184184240240400400630630极限真空mbar0.530.530.530.530.5电机功率KW3.04.04.05.55.511.011.015.015.0