Frequently Asked Questions

Why are plate heating exchangers beneficial?

Plate heating exchangers (PHE) are of the most versatile and cost-effective methods for the indirect heating and cooling of fluids within the liquid and food processing industry.


How does a plate heat exchanger work?

PHE's operate under the basic concept that fluids can be run on either side of a thin metal plate so that heat can be transferred between the two fluids.


Are there different types of PHE's?

There are a number of variations of heat exchangers -
Gasketed heat exchangers are made from materials such as stainless steel
Brazed plate heat exchangers are vacuum brazed together;
Welded plate heat exchangers are constructed of a single material.


Why should I test a PHE?

With regular maintenance and repair of your plate heating exchanger, you can maximise the efficiency of your machinery, as well as decrease downtime and production stoppages or identify future potential problems.Through the successful implementation of our PHE test services and repairs, we specialise in helping companies improve their plants' performance and ultimately, profitability.


How important is it to ensure that a PHE is free of cracks or fractures?

Through crack detection, pinhole leaks testing and fracture detection of your plate heat exchanger / (PHE), your company can minimise the risk of contamination, as well as safeguard the quality of the products you provide.
Should cross contamination effect your company, costs incurred can be considerable, be that product recall, product wastage, inefficiency, as well as downtime.

How often should I test a PHE?

Whilst it may seem that the stainless steel, tanks, vessels, process vessels, silos and spray dryers within your company are in good working order, in many cases, it is recommended that integrity testing takes place once a year to ensure that any fractures / cracks / or pinholes can be detected.

If you have any questions on any area of our services, please contact us by email, enquiry form or by telephone on 028 6772 4455 (N.Ireland) or 07798682930 (Scotland), or 07798650240 (North England) or 07841802920 (South West England)



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