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What are the categories of micro diaphragm vacuum pumps? There are many ways to classify vacuum pumps, which can be classified according to working principles, uses, working media in the pump, etc. The following are some common classification methods: 1. Classification based on working principle: Vacuum pumps can be divided into three categories: volumetric, velocity and molecular. Positive displacement vacuum pumps inhale and discharge gases by changing the volume in the pump chamber. Speed vacuum pumps inhale and discharge gases through high-speed rotating blades. Molecular vacuum pumps use high-speed rotating blades to move gas molecules from the pump port. Throw it out to achieve a vacuum state in the pump. 2. Classification according to use: Vacuum pumps can be divided into different types such as industrial, laboratory, medical, aerospace, etc. Industrial vacuum pumps are mainly used in gas transportation, vacuum adsorption and other fields. Laboratory vacu…

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