JZJX系列羅茨旋片真空機組是以羅茨互空泵為主泵，旋片泵為前級泵串聯而成的真空機組。其結構緊湊，操作方便，適用于抽除空氣，無可凝漿性及無腐蝕性的氣體。廣泛應用于需要哀真空的真空系統中 ，如真空冶煉， 電容器 ， 變壓器、真空浸潰處理、真空踱膜等．

JZJX series Roots rotary vane vacuum unit is a vacuum unit composed of Roots vacuum pump as the main pump and rotary vane pump as the front pump 1n  series. The utillty model has  compact structure and   convenient operation  and 1s suitable for extracting air, no coagulable and non-corrosive gas. It is widely used in vacuum systems requiring high va cuum, such as vacuum smelting capacitors, transformers, vacuum impregnation treatment , vacuum coating , etc.