Plate & Gaskets | Data Sheets

Alfa Laval MX25.

DATA SHEET

Alfa Laval MX25

Plate heat exchanger

Plate heat exchanger for general heating and cooling duties.

Typical capacities

Liquid flow rate
Up to 350 kg/s (5600 gpm), depending on media, permitted pressure drop and temperature program.

Plate types
MX25B and MX25M plates

Frame types
FMS, FGS, FG, FD and FS

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 C276, Alloy 254 SMO or Titanium

Gaskets
Nitrile or EPDM

Technical Data

Pressure vessel codes PED, ASME, pvcALS™
Mechanical design pressure (g) / temperature
FMS PED, pvcALS™ 1.0 MPa / 180°C
FGS PED, pvcALS™ 1.6 MPa / 180°C
FGS ASME 150 psig / 350°F
FG PED, pvcALS™ 1.6 MPa / 180°C
FG ASME 150 psig / 350°F
FD PED, pvcALS™ 2.5 MPa / 180°C
FD ASME 300 psig / 350°F
FS ASME 400 psig / 350°F

Connections

FMS PED Size 200/250 mm DIN 2501 PN10,
ASME Cl. 150
FMS pvcALS™ Size 200/250 mm DIN 2501 PN10,
ASME Cl. 150, JIS 10K
FGS PED Size 200 mm DIN 2501 PN16,
ASME Cl. 150
FGS pvcALS™ Size 200/250 mm DIN 2501 PN16,
ASME Cl. 150, JIS 16K
FGS ASME Size 8” ASME Cl. 150
FG PED Size 200/250 mm DIN 2501 PN16,
ASME CI. 150
FG pvcALS™ Size 200/250 mm DIN 2501 PN16,
ASME Cl. 150, JIS 16 K
FG ASME Size 8”/10” ASME Cl.150
FD PED Size 200/250 mm DIN 2501 PN25,
ASME Cl. 300
FD ASME Size 8”/10” ASME Cl. 300
FS ASME Size 8”/10” ASME Cl. 400

Maximum heat transfer surface
940 m² (10.000 sq. ft)

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WHEN SHOULD A PLATE & FRAME HEAT EXCHANGER BE SERVICED?

As a heat exchanger becomes fouled with dirt, debris or scale, often the modulating valve provides additional hot or cold liquid to help compensate for the loss of efficiency of the heat exchanger.

Over time the control valve will continue to open fully. Unfortunately, on the hottest or coldest days, even with the valve fully open the heat exchanger cannot meet the thermal transfer requirements and the situation becomes critical.

Monitoring just the operating temperature provides a false sense of security. Recording the difference in the outlet and inlet pressures provides a more accurate result of the amount of fouling.

Fouling equal to the thickness of a piece of paper represents a 20% loss of thermal efficiency. In addition, the energy cost for pumps increases since the pump must work harder to overcome the increased pressure resistance through the PHE

HeatExchangersGaskets.com, a division of T. H. Industrial Solutions Inc.'s (THS) has been servicing industrial heat exchangers and solving process problems across Canada since 2009. THS head office is located in Pickering, Ontario with a 6,000 square foot service center in Hamilton, Ontario.

Today there are fewer qualified people in this industry that know the products and understand the applications. Utilizing hands on experience and knowledge that has been gained by our THS sales and service technicians for over the past 30 years, we will take the time to understand what you require and strive to provide a prompt, educated and accurate response at a competitive price.