A vacuum pump is a device or device that USES mechanical, physical, chemical substance or physical-chemical Small Vacuum Pump strategies to pump air out of a container to obtain a vacuum.Generally speaking, vacuum pump is a device that improves, generates and maintains vacuum in a closed space simply by various means.
Regarding to the operating basic theory of vacuum pump, vacuum pump could be divided in to two types, namely gas catch pump and gas transfer pump.It really is widely used in metallurgy, substance industry, food, electronic coating and other industries.