Vacuum pump refers to a device or equipment that uses mechanical, physical, chemical, or physicochemical methods to extract air from the pumped container and obtain a vacuum. Generally speaking, a vacuum pump is a device that uses various methods to improve, generate, and maintain vacuum in a closed space.
According to the working principle of vacuum pumps, they can be basically divided into two types, namely gas capture pumps and gas transfer pumps. It is widely used in industries such as metallurgy, chemical industry, food, electronic coating, etc.
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