Rotary vane vacuum pumps are the primary option for vacuum packaging. Dry screw vacuum pumps, vacuum boosters, liquid ring vacuum pumps, claw vacuum pumps and rotary lobe blowers also have particular roles in packaging. Each individual of them gives its own distinct edge with regards to the particular software. https://www.linpack.com/news/how-to-select-the-right-pouch-packaging-machines-for-your-needs