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