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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. Suitable for a wide range applications, this model is available with a large selection of plate and gasket types.

ALFA LAVAL, IndustrialLine HEAT EXCHANGER, M6 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:

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

Technical data

Plates
Name: M6-MW
Type: Semi-welded
Free channel, mm (inches): 2.8 (0.098)

Materials
Heat transfer plates:  316/316L, 254
C-276, C-2000
G-30
Ni, Ti

Field gaskets: NBR, EPDM
Ring gaskets:  NBR, EPDM, FKM, CR
Flange Connections: Carbon steel, Metal lined: stainless steel, 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): 160/320

Frame, PV-code: FD, ASME
Max. design pressure (barg/psig): 20.7/300
Max. design temperature (°C/°F): 160/320

Frame, PV-code: FD, PED
Max. design pressure (barg/psig): 25.0/362
Max. design temperature (°C/°F): 180/356
 

Extended pressure and temperature rating may be available on request.

 

Flange connections
FG, ASME: ASME B16.5 Class150 NPS 2
FG, PED: EN 1092-1 DN50 PN16
FD, ASME: ASME B16.5 Class 300 NPS 2
FD, PED: EN 1092-1 DN50 PN25

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

Dimensional drawing
Measurements mm (inches)

ALFA LAVAL, IndustrialLine HEAT EXCHANGER, M6 W drawing

Type: M6-FG
H: 920 (36.2”)
W: 320 (12.6”)
h: 140 (5.5”)

Type: M6-FD
H: 940 (37.0”)
W: 330 (13.0”)
h: 150 (5.9”)

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