Rotary vane vacuum pumps are the initial choice 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. Every single of them presents its have distinctive gain with regards to the certain application. https://www.linpack.com/news/a-comprehensive-guide-to-pouch-packaging-machines-types-and-applications