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Alfa Laval Industrial semi-welded line is used when gaskets are not suitable for one of the process media. The semi-welded line can also withstand a higher design pressure compared to fully gasketed plate-and-frame heat exchangers. 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.

ALFA LAVAL, IndustrialLine HEAT EXCHANGER, MK15 WApplications

  • Chemicals
  • Energy and Utilities
  • Food and Beverages
  • HVAC and Refrigeration
  • Marine and Transportation
  • Mining, Minerals and Pigments
  • Pulp and Paper
  • Steel
  • Water and Waste treatment

Benefits

  • 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

Features

Every detail is carefully designed to ensure optimal performance, maximum uptime and easy maintenance. Selection of available features:

  • 5-point alignment system
  • Chocolate pattern distribution area
  • Clip-on gasket
  • Leak chamber
  • RefTightTM sealing system
  • Bearing box
  • Fixed bolt head
  • Key hole bolt opening
  • Lifting lug
  • Lining
  • Lock washer
  • Pressure plate roller
  • Tightening bolt cover
  • Optimized Alfa Laval drain connection

Technical data

Plates
Name: MK15-BW
Type: Semi-welded
Free channel, mm (inches): 2.5 (0.098)

 

Materials
Heat transfer plates: 304/304L, 316/316L, 254
C-276, C-2000, D-205
Ti

Field gaskets: NBR, EPDM,  CR
Ring gaskets NBR, EPDM, FKM, FEPM, PTFE, CR
Flange Connections: Carbon steel, Metal lined: stainless steel, Alloy C-276, titanium
Frame and pressure plate: Carbon steel, epoxy painted

Other materials may be available on request. All option combinations may not be configurable.

Operational data

Frame, PV-code: FG, ASME
Max. design pressure (barg/psig): 10.3/150
Max. design temperature (°C/°F): 180/356

Frame, PV-code: FG, PED
Max. design pressure (barg/psig): 16.0/232
Max. design temperature (°C/°F): 180/356

Frame, PV-code: FGR, PED
Max. design pressure (barg/psig): 16.0/232
Max. design temperature (°C/°F): 180/356

Frame, PV-code: FD, pvcALS
Max. design pressure (barg/psig): 25.0/363
Max. design temperature (°C/°F): 180/356

Frame, PV-code: FD, ASME
Max. design pressure (barg/psig): 20.7/300
Max. design temperature (°C/°F): 180/356

Frame, PV-code: FD, PED
Max. design pressure (barg/psig): 25.0/363
Max. design temperature (°C/°F): 180/356

Frame, PV-code: FDR, PED
Max. design pressure (barg/psig): 30.0/435
Max. design temperature (°C/°F): 180/356

Frame, PV-code: FT, PED
Max. design pressure (barg/psig): 40.0/580
Max. design temperature (°C/°F): 180/356

Frame, PV-code: FT, ASME
Max. design pressure (barg/psig): 41.4/600
Max. design temperature (°C/°F): 180/356

Extended pressure and temperature rating may be available on request. 

Flange connections
FG, pvcALS: ASME B16.5 Class 150 NPS 6
JIS B2220 16K 150A
FG, ASME: ASME B16.5 Class150 NPS 6
FG, PED: EN 1092-1 DN150 PN16
EN 1092-1 DN150 PN25
ASME B16.5 Class 150 NPS 6
FGR, PED: EN 1092-1 DN150 PN16
EN 1092-1 DN150 PN25
ASME B16.5 Class 150 NPS 6
FD, pvcALS: EN 1092-1 DN150 PN25
ASME B16.5 Class 300 NPS 6
JIS B2220 20K 150A
FD, ASME: ASME B16.5 Class 300 NPS 6
FD, PED: EN 1092-1 DN150 PN25
ASME B16.5 Class 300 NPS 6
FDR, PED: EN 1092-1 DN150 PN25
ASME B16.5 Class 300 NPS 6
FT, PED: EN 1092-1 DN150 PN40
ASME B16.5 Class 300 NPS 6
FT, ASME: ASME B16.5 Class 300 NPS 6

Standard EN1092-1 corresponds to GOST 12815-80 and GB/T 9115.

Dimensional drawing
Measurements mm (inches)

ALFA LAVAL, IndustrialLine HEAT EXCHANGER, MK15 W drawing

The number of tightening bolts may vary depending on pressure rating.