Product Description
Alfa Laval Industrial semi-welded line is used when gaskets are not suitable for one of the process media. Also, the semi-welded line can take a higher design pressure compared to fully gasketed plate.
The Alfa Laval semi-welded gasketed plate-and-frame heat exchangers are available in six models, M6-MW, M10-BW, MK15-BW, MA30, T20 and TK20. The refrigerant flows in laser-welded, sealed plate channels, and the brine in gasketed channels. The flexible modular design copes with fatigue stresses and ice formation. The semi-welded heat exchanger handles most refrigerants on the welded side and is particularly suitable for ammonia duties. Standard plate materials are stainless steel and titanium. Temperature range is -47°C to 150°C; pressure is up to 63 bar, depending on size.
Benifits of the Industrial semi-welded line
- Low charge
- Low weight
- Easy to modify heat transfer area for altered capacities, refrigerants
- Easy inspection and cleaning of the liquid side
- Reliable, with long service life for heavy duties
- Plate materials for corrosive fluids, cooling water and brines
- Condenser/desuperheater or condenser/oil cooler combined in single unit
- Floating condensation with flooded evaporation
- Can be optimized with air liquid coolers in indirect cooling systems
Applications for Industrial semi-welded line
- Water/glycol-cooled condensers
- Flooded evaporators
- DX evaporators
- Cascade systems
- Desuperheater/gas coolers for, for example, heat recovery
- Economizers/subcoolers
- Oil coolers
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