The device is made with high vacuum rotary seal system, high vacuum pipeline, intake port, suction port, vent valve and glass test tube flange. It is used for the vacuum sealing of daily high purity raw materials in university and lab of institution. It could be used in factory to have tube sealing, vacuum sealing of quartz glass tube and vacuum seal of borate glass. The isolation of samples of after-melting of quartz in the mouth of tube and outer air could have effective protection sample that is sensitive to air. Sample could be burned or transported in a long time as well as switching of suitcases after sealing. Quartz tube vacuum sealing machine could provide 1-3 workstation and there could be customization for multiple machines. The whole set include OH series oxyhydrogen generators + quartz vacuum sealing system OK-M320 + vacuum pump

1.Sealing quartz tube under vacuum or inert gas protection.
2.Different sizes of tube fitting can be customized and accomodate vacuum sealing on the different tube diameters.
3.Unique rotary seal flange and adjustable digital rotary speed.
4.The body can be tilted for vacuum sealing of long tubes up to 1m.