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Vacuum pressure pump is a device or device that USES mechanical, physical, chemical substance or physical-chemical strategies to pump air away of a container to obtain a vacuum.In most cases, vacuum pump is a device that improves, generates and maintains vacuum in a closed space Small Vacuum Pump simply by various means.
Regarding to the working basic basic principle of vacuum pump, vacuum pump can be divided in to two types, namely gas catch pump and gas transfer pump.It is widely used in metallurgy, substance industry, meals, electronic coating and other industries.