Semi Welded Plate Heat Exchanger

Semi Welded Plate Heat Exchanger
The semi-welded plate heat exchanger consists of a se
ries of thin corrugated twin plates (cassettes) which are
laser welded on one side and gasketed on the other side.
They combine most of the flexibility and serviceability of normal gasketed plate heat exchangers while obtaining higher pressure resistance on the welded side.
They combine most of the flexibility and serviceability of normal gasketed plate heat exchangers while obtaining higher pressure resistance on the welded side.
A comprehensive range for refrigeration applications
Alfa Laval offers a wide range of semi-welded plate heat exchangers for
most types of primary refrigerants and secondary fluids. They are particularly
suitable for refrigeration and heat pump solutions that use ammonia and
carbon dioxide, as they offer high resistance against ice formation and
fatigue stresses from pressure and/or temperature variations.
Depending on size, the units can handle temperature ranges from -45°C (-49°F) to 150°C (302°F) and pressure ranges from below vacuum, up to 63 barg (900 psig). Heat transfer plates can be in stainless steel (AISI304, AISI316, SMO254) or titanium, enabling the handling of a wide variety of fluids with optimal performance
Depending on size, the units can handle temperature ranges from -45°C (-49°F) to 150°C (302°F) and pressure ranges from below vacuum, up to 63 barg (900 psig). Heat transfer plates can be in stainless steel (AISI304, AISI316, SMO254) or titanium, enabling the handling of a wide variety of fluids with optimal performance
Key benefits of Alfa Laval semi-welded heat exchangers
Compact
Low refrigerant filling
Low environmental impact
Low weight & space
High heat transfer
Always turbulent flow
Good flow distribution
High COP factor achievable
High Resistance
Pressure and temperature
fatigue resistance
fatigue resistance
Freezing causes no damage
Corrosion-resistant plate material
Flexible design
Add/remove cassettes
Openable for cleaning