气冷式直排大气罗茨真空泵及机组的应用选型

Selection of Gas circulation Cooled Roots Vacuum Pumps and Pumping Units

本文介绍气冷式直排大气罗茨真空泵及机组的工作特点及应用选型。旨在通过范例的分析，为不同的用户使用气冷式直排大气罗茨真空泵，充分发挥该泵的抽速大、耐压高、无污染、低功耗的优点，提供可参考的范式。

Abstract This paper introduces the working performance and the selecting principle of gas circulation cooled roots vacuum pumps & pumping units. We discuss some examples to give user references who wants to use the pumps and pumping units as high efficiency, low power consumption, no contamination pumping system.