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