Rotary vane vacuum pumps are the 1st option for vacuum packaging. Dry screw vacuum pumps, vacuum boosters, liquid ring vacuum pumps, claw vacuum pumps and rotary lobe blowers also have specific roles in packaging. Just about every of them offers its have unique edge depending on the certain software. https://www.linpack.com/news/step-into-the-future-with-advanced-vacuum-packaging-machine-technology