Sizes and type of pasteurizers and coolers change according to product and container to be treated.
Often tunnel pasteurizers are used for beer to guarantee shelf life and safety against contamination. In these kind of pasteurizers the cycle is optimized and programmed to avoid any possible shocks to the product with a slow step in the heating phase, programmed pasteurization and slow step of final cooling.
Pasteurization cycle is made following indication of the biggest beer bottling brands.
Other than tunnel pasteurizers, beer can also be pasteurized in line.