Plate & Gaskets | Data Sheets

Alfa Laval T35.

DATA SHEET

Alfa Laval T35

Plate heat exchanger

General heating and cooling duties.

Typical capacities

Liquid flow rate
Up to 650 kg/s (10400 gpm), depending on media, permitted pressure drop and temperature program.

Plate types
TL35B plates

Frame types
FM, FG, FD and FS

Standard Materials

Frame plate
Mild steel, Epoxy painted

Nozzles
Carbon steel
Metal-Lined: Stainless steel, Titanium

Plates
Stainless steel Alloy 316 / Alloy 304 / Alloy 254 / Alloy C276 / Titanium

Gaskets
Nitrile, EPDM

Technical Data

Pressure vessel codes PED, ASME, pvcALS™
Mechanical design pressure (g) / temperature
FM PED, pvcALS™ 1.0 MPa / 180°C
FM ASME 100 psig / 300°F
FG PED, pvcALS™ 1.6 MPa / 180°C
FG ASME 150 psig / 350°F
FD PED 2.5 MPa / 180°C
FD ALS 2.5 MPa / 160°C
FD ASME 300 psig / 350°F
FS PED 3.0 MPa / 180°C
FS ASME 400 psig / 350°F

Connections

FM pvcALS™ Size 300 or 350 mm DIN PN10 ASME Cl.150, JIS 10K
FM PED Size 300 or 350 mm DIN PN10 ASME Cl. 150
FM ASME Size 12 or 14” ASME Cl. 150
FG pvcALS™ Size 300 or 350 mm DIN PN16 ASME Cl. 150, JIS 16K
FG PED Size 300 or 350 mm DIN PN16, ASME Cl. 150
FG ASME Size 12 or 14” ASME Cl. 150
FD PED Size 300 or 350 mm DIN PN25, ASME Cl. 300
FD ALS Size 300 or 350 mm DIN PN25, ASME Cl. 300, JIS 20K
FD ASME Size 12 or 14” ASME Cl. 300
FS PED Size 300 or 350 mm DIN PN40, ASME Cl. 400
FS ASME Size 12 or 14” ASME Cl. 400

Maximum heat transfer surface
1700 m² (18.000 sq. ft)

Measurements mm (inch)
Type H W h Cmin Cmax
TL35-FM 3210 1154 488 2190 6360
(126.5”) (45.5”) (19.5”) (86”) (250”)
TL35-FG 3210 1154 488 2205 6375
(126.5”) (45.5”) (19.5”) (89”) (251”)
TL35-FD 3218 1174 496 2230 6400
(127”) (46.5”) (20”) (88”) (252”)
TL35-FS 3218 1174 496 2245 6420
(127”) (46.5”) (20”) (88”) (253”)

The number of tightening bolts may vary
depending on pressure rating.
Max no. of plates TL35B = 1000

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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.