Pasteurizer is a term used for a device that is used to kill harmful bacteria in food and beverages through the process of pasteurization. It is an important machine used extensively in the food and dairy industry. There are several synonyms for pasteurizer such as sterilizer, heat exchanger, milk sterilizer, milk processor, and dairy pasteurizer. These terms are used interchangeably depending on the context of the industry in which the machine is used. With the advancements in technology, there are various types of pasteurizers available in the market such as plate pasteurizers, tubular pasteurizers, and coil pasteurizers. Each of these machines has their unique features and specifications which cater to the specific needs of the food and dairy industry.