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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.


• Biotech and Pharmaceutical
• Energy and Utilities
• Food and Beverages
• Home and Personal care


  • High energy efficiency – low operating cost
  • Flexible configuration – heat transfer area can be modified
  • Easy to install – compact design
  • High serviceability – easy to open for inspection and cleaning and easy to clean by CIP
  • Access to Alfa Laval’s global service network

Every detail is carefully designed to ensure thermal efficiency, flawless performance and easy cleaning. Selection of available features:

• Corner guided alignment system
• Chocolate pattern distribution area
• Glued gasket
• Clip-on gasket
• Leak chamber
• Bearing box
• Fixed bolt head
• Key hole bolt opening
• Lifting lug
• Lining
• Lock washer
• Pressure plate roller
• Tightening bolt cover

Technical Data 

Name: M15-B                                                                                                                                                                          Type: Single plate                                                                                                                                                                            Free channel, mm (inches): 2.5 (0.098)

Name: M15-M                                                                                                                                                                        Type: Single plate                                                                                                                                                                    Free Channel, mm (inches): 4.0 (0.16)

Name: M15-BG                                                                                                                                                                          Type: Gemini (hygienic) Double wall
Free Channel, mm (inches): 2.5 (0.098)

Heat transfer plates: 316/316L
Field gaskets: NBR, EPDM
Connections: Acid proof stainless steel
Frame and pressure plate: Solid stainless steel, cladded stainless steel or surface coated

The plate heat exchanger is manufactured according to 3A certification. The gaskets are produced in compliance with the regulations of FDA. Other materials may be available on request. All option combinations may not be configurable.

Operational data

Frame, PV code: FMC, PED                                                                                                                                                          Max. design pressure (barg/psig):10.0/145                                                                                                                            Max. design temperature (°C/°F):160/320

Frame, PV code: FHC, PED                                                                                                                                                           Max. design pressure (barg/psig):19.0/275                                                                                                                             Max. design temperature (°C/°F):160/320