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  Products & Services   »  Sanitary   »  Alfa Laval   »  Heat Exchangers

M - Series, painted frame

00003275
For Your Utility Heating and Cooling
M - Series, painted frame Plate Heat Exchangers
M6-FG

Applications

For your utility heating and cooling duties the industrial plate heat exchangers of Alfa Laval can be used . These are detailed in the following product sheets.

Standard design

The plate heat exchanger consists of a pack of corrugated metal plates with portholes for the passage of the two fluids between which heat transfer will take place.

The plate pack is assembled between a fix frame plate and a movable pressure plate and compressed by tightening bolts. The plates are fitted with a gasket which seals the interplate channel and directs the fluids into alternate channels. The number of plates is determined by the flow rate, physical properties of the fluids, pressure drop and temperature program. The plate corrugations promote fluid turbulence and support the plates against differential pressure.

The plate and the pressure plate are fixed between upper bar and lower bar, both of which are fixed to a support column.

Connections are located in the frame plate or, if either or both fluids make more than a single pass within the unit, in the frame and pressure plates.

Working principle

Channels are formed between the plates and the corner ports are arranged so that the two media flow through alternate channels. The heat is transferred through the plate between the channels, and complete counter-current flow is created for highest possible efficiency. The corrugation of the plates provides the passage between the plates, supports each plate against the adjacent one and enhances the turbulence, resulting in efficient heat transfer.

 
Flow principle of an M3,M6, M10 and M15 plate heat exchanger

M3

Typical capacities

Liquid flow rate

Up to 4 kg/s (60 gpm), depending on media, permitted pressure drop and temperature program.

Water heating by steam

50 to 250 kW

Plate types

M3 and M3-X, where M3 provides parallel and M3D, double wall plates.

Frame types

FG

Standard Materials

Frame plate

Mild steel, Epoxy painted

Nozzles

Carbon steel Pipe: Alloy 316, Titanium

Plates

Stainless steel: AISI 316 or Titanium

Gaskets

M3Nitrile, EPDM, HeatSealF™
M3DNitrile, EPDM

Technical Data

Pressure vessel codes, PED, ASME, pvcALS™ Mechanical design pressure (g) / temperature

FGPED, pvcALS™1.6 MPa / 180°C
FGASME 150 psig / 350°F

Maximum heat transfer surface

3.9 m2 (40 sq. ft)

Connections

FG PED Size 1¼"Pipe, thread ISO-R 1¼"
FG pvcALS™Size 1¼"Pipe, thread ISO-G 1¼" or thread ISO-R1¼"
FG pvcALS™Size 1¼"Internal thread ISO-G 1¼", carbon steel
FG ASMESize 1¼"Pipe, thread NPT 1¼"

Dimensions


Measurements (mm)

The number of bolts may vary depending on pressure rating.

Particulars required for quotation

  • - Flow rates or heat load
  • - Temperature program
  • - Physical properties of liquids in question (if not water)
  • - Desired working pressure
  • - Maximum permitted pressure drop
  • - Available steam pressure

M6

Typical capacities

Liquid flow rate

Up to 16 kg/s (250 gpm), depending on media, permitted pressue drop and temperature program.

Water heating by steam

300 to 800 kW

Plate types

M6, M6M and M6MD

Frame types

FM, FG and FD

Standard Materials

Frame plate

Mild steel, Epoxy painted

Nozzles

Carbon steel
Metal lined: Stainless steel, Titanium
Rubber lined: Nitrile, EPDM

Plates

Stainless steel: Alloy 316 / Alloy 304
Titanium (M6M only)

Gaskets

M6: Nitrile, EPDM, HeatSeal F™
M6M: Nitrile, EPDM, HeatSeal F™

Technical Data

Pressure vessel codes, PED, ASME, pvcALS™
Mechanical design pressure (g) / temperature

<>*) Frame FG also approved for 1.2 MPa/200ºC to allow use in steam systems without safety valves.
FMpvcALS™1.0 MPa / 160°C
FGPED1.6 MPa / 180°C *)
FGASME150 psig / 320°F
FGpvcALS™1.6 MPa / 180°C
FDPED, pvcALS™2.5 MPa / 160°C
FDASME300 psig / 320°F

Maximum heat transfer surface

390 m2 (4,200 sq. ft)

Connections

Pipe connections (not for frame type FD)

Straight threadedSize 50 mmISO G2", NPT 2"
Straight weldSize 50 mm 
Threaded inlet portSize 50 mmISO G2"

Flange connections

FMpvcALS™Size 50 mmDIN/GB/GOST PN10,
ASME CI. 150
FGPEDSize 50 mmDIN 2501 PN16, ASME CI. 150
FGASMESize 2"ASME CI. 150
FGpvcALS™Size 50 mmDIN/GB/GOST PN16,
ASME CI. 150
FDPEDSize 50 mmDIN 2501 PN25, ASME CI. 30
FDASMESize 2"ASME CI. 300

Dimensions


Measurements mm (inch)

<>The number of tightening bolts may vary depending on pressure rating.
TypeHWh
M6-FM920 (367/32)320 (125/8)140 (5½)
M6-FG920 (367/32)320 (125/8)140 (5½)
M6-FD940 (37)330 (125/8)150 (6)
    

Particulars required for quotation

  • - Flow rates or heat load
  • - Temperature program
  • - Physical properties of liquids in question (if not water)
  • - Desired working pressure
  • - Maximum permitted pressure drop
  • - Available steam pressure

M10

Typical capacities

Liquid flow rate

Up to 50 kg/s, depending on media, permitted pressure drop and temperature program.

Water heating by steam

0.7 to 3.0 MW

Plate Types

M10B, M10M and M10MD

Frame Types

FM, FG and FD

Standard Materials

Frame plate

Mild steel, Epoxy painted

Nozzles

Carbon steel
Lined: Stainless steel, Rubber, Titanium

Plates

Stainless steel AISI 316/AISI 304, Titanium, Alloy 20/18/6

Gaskets

M10BNitrile, EPDM
M10MNitrile, EPDM, HeatSeal F™, HNBR, EPDMF, Viton®G

Technical data

Mechanical design pressure (g) / temperature

<>*) Frame FG also approved for 1.2 MPa / 200°C to allow use in steam systems without safety valves.
FM1.0 MPa / 160°C
FG1.6 MPa / 180°C *)
FG ASME150 psig / 350°F
FD2.5 MPa / 160°C
FD ASME300 psig / 320°F

Maximum heat transfer surface

M10B: 90 m2 (970 sq. ft)
M10M: 60 m2 (650 sq. ft)

Connections

FM – Size 100 mmDIN 2501 PN10 or ANSI 150
FG – Size 100 mmDIN 2501 PN16 or ANSI 150
FD – Size 100 mmDIN 2501 PN25 or ANSI 150
FD – Size 100 mmDIN 2501 PN25 or ANSI 300 (ASME)

Dimensions


Measurements (mm)

<>The number of tightening bolts may vary depending on pressure rating.
Type HWh
M10-FM1.084470215
M10-FG1.084470215
M10-FD981470131
M10-FD ASME1.084470215
    

Particulars required for quotation

  • - Flow rates or heat load
  • - Temperature program
  • - Physical properties of liquids in question (if not water)
  • - Desired working pressure
  • - Maximum permitted pressure drop
  • - Available steam pressure

M15

Typical Capacities

Liquid flow rate

Up to 80 kg/s (1,300 gpm), depending on media, permitted pressure drop and temperature program.

Plate types

M15B, M15E and M15M

Frame typ

FL, FM, FG and FD

Standard Materials

Frame plate

Mild steel, Epoxy painted

Nozzles

Carbon steel
Metal lined: Stainless steel, Titanium
Rubber lined: Nitrile, EPDM

Plates

Stainless steel: Alloy 304, Alloy 316
Titanium
Alloy C-276
Alloy 254 SMO

Gaskets (Clip-on/Tape-on, Glued)

NitrileNitrile hydrogenated
EPDMViton® G
AL-EPDM 

Technical Data

Pressure vessel codes, PED, ASME, pvcALS™
Mechanical design pressure (g) / temperat

FLpvcALS™0.6 MPa / 130°C
FMPED, pvcALS™1.0 MPa / 180°C
FGPED, pvcALS1.6 MPa / 180°C
FGASME150 psig / 350°F
FDPED, pvcALS™3.0 MPa / 180°C
FDASME300 psig / 350°F

Maximum heat transfer surface

390 m² (4,200 sq. ft)

Connections

FLpvcALS™Size 150 mmDIN/GB/GOST PN10,
ASME CI. 150, JIS 10K
FMPEDSize 150 mmDIN 2501 PN16, ASME CI. 150
FMpvcALS™Size 150 mmDIN/GB/GOST PN10,
ASME CI. 150, JIS 10K
FGPEDSize 150 mmDIN 2501 PN16, ASME CI. 150
FGpvcALS™Size 150 mmDIN/GB/GOST PN16,
ASME CI. 150, JIS 16K
FGASMESize 6"ASME CI. 150
FDPEDSize 150 mmDIN 250 PN25, ASME CI. 300
FDASMESize 6"ASME CI. 300

Dimensions


Measurements mm (inch)

<>The number of tightening bolts may vary depending on pressure rating.
TypeHWh
M15-FL1.815 (71½)610 (24)275 (10¾)
M15-FMmax. 1941 (76½)610 (24)275 (10¾)
M15-FGmax. 1941 (76½)650 (25½)275 (10¾)
M15-FDmax. 2036 (80)650 (25½)370 (14½)
    

Particulars required for quotation

  • - Flow rates or heat load
  • - Temperature program
  • - Physical properties of liquids in question (if not water)
  • - Desired working pressure
  • - Maximum permitted pressure drop
  • - Available steam pressure

 

 

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