??應用/Application:

??? 可單獨使用，也可作為前級泵。

??? can be used alone, and also can be used as prepump.

??? 可用于真空冶煉、真空焊接、真空澆注、真空干燥、化工制藥、電真空器件等工業。

??? Can be use in the indusries such as vacuum metallurgy, vacuum welding, vacuum casting, vacuum drying, chemical and pharmaceutical, electric vacuum devices.

??? 可在環境溫度5°C-40°C范圍內和進口壓強小于1330Pa的條件下，允許長時間連續工作。

??? Long continuous work is enabled under the conditions of environmental temperature 5°c-40°c and inlet pressure less then 1330 Pa.

??? 不能抽除含氧過高、有毒的、易爆的、有腐蝕性的、對泵油起化學反應的、含有顆粒塵埃的氣體，也不能用作傳輸泵使用。

??? Can not be used to extract high oxygen, toxic, explosive, corrosive, chemical reaction responding to pump oil and dust contained gases or used as delivery pump.

??? 在6650Pa到大氣壓的進口壓強下連續工作時間，不得超過3min

??? The time of continuous work under the inlet pressure of 6650Pa to high atmospheric pressure can be no more than 3 minutes.