Rotary vane vacuum pumps are the main option for vacuum packaging. Dry screw vacuum pumps, vacuum boosters, liquid ring vacuum pumps, claw vacuum pumps and rotary lobe blowers also have certain roles in packaging. Each and every of them provides its personal distinct advantage dependant upon the unique application. https://www.linpack.com/news/comparing-food-packaging-machine-manufacturers-key-features-to-look-for