Plate & Gaskets | Data Sheets

Alfa Laval AQ14L.

DATA SHEET

Alfa Laval AQ14L

AlfaQ™ ARI-certified plate heat exchanger

General heating and cooling duties using water, ethylene and propylene glycol as media.

Typical capacities

Liquid flow rate
Up to 8,000 GPM (500 kg/s), depending on media, permitted pressure drop and temperature program.

Frame types
FG, FS

Standard Materials

Frame plate
Mild steel, painted

Nozzles
Carbon steel
Metal-lined: Stainless steel, Titanium

Plates
Stainless steel: Alloy 316, Titanium

Gaskets
Nitrile, EPDM

Connections

FG – Size 14" ASME CI. 150
FS – Size 14" ASME CI. 300

Technical Data

Mechanical design pressure/temperature
FG – ASME 150 psig / 200°F
FS – ASME 400 psig / 200°F

Maximum heat transfer surface
770 m² (8300 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

T.H. Industrial Solutions Inc. (THS) has been servicing industrial plate and frame heat exchangers as with shell and tube heat exchangers. Professionally 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.

Our Heat Exchanger Cleaning Services, along with heat exchanger gasket replacement systems, and knowledge of heat exchanger gasket materials make THS your Industrial Heat Exchanger Service Solution