Alfa Laval M line is a range of gasketed plate-and-frame heat exchangers used in dairy, food, beverage and other hygienic applications. M line is used when the design pressure is above 10 barg (145 psig) or when long plate packs are required. A large range of plate and gasket types is available. The relatively short plate makes this model suitable for duties with short temperature programs and when a low pressure drop is appreciated. A large range of plate and gasket types is available.