日韩精品免费观看99_久热这里精品国产_歐美日韓高清不卡一區二區三區_国产一级毛片电影国语版_91香蕉视频免费版_AV天堂岛在线观看_成人在线免费观看亚洲_初见直播app最新_亚州一级毛片在线_动漫 亚洲 自拍

 1. Features
2X series is a rotary vane vacuum pump with high performance, high quality and high reliability;
Double stage high speed direct connection structure, small volume, light weight, low noise,

 convenient start and stable operation;
With gas valve device, it can extract a small amount of condensable gas,

 prevent pump oil from muddy water, and prolong the service life of the pump.
2. Applications
The pump can be used as air pumping alone, as the front stage pump of booster pump and diffusion pump,

 as well as the maintenance pump and pre pumping pump in the system;
It is widely used in electric vacuum device manufacturing industry, refrigeration industry,

 medical analysis instrument industry, electric light source industry and scientific research institutions.