1. How to install a Heat Exchanger

The correct method of heat exchanger installation varies depending upon the exact type of unit and the environment of operation. For installations instructions please refer to one of our Installation and Operation Manuals

  • Shell and Tube Heat Exchangers – IOM
  • Brazed Plate Heat Exchangers – IOM 
  1. How to increase the lifetime of a Heat Exchanger

Heat exchangers are manufactured from robust materials, have no moving parts and operate at a variety of different pressures and temperatures, therefore if a heat exchanger is used in the correct way then there is no reason why it shouldn’t be able to remain operational for many years. To help increase the operational lifetime of a heat exchanger there are several steps that should be taken;

Make sure the design data is accurate – If you are sending data to our engineers for heat exchanger selection, then it is best to make sure that it is as accurate as possible. Not only will this ensure that your heat exchanger is thermally efficient but also that it will be able to operate for a long period of time. If the flow rates are too high then erosion could be a problem, if the pressures are too high then leaks could occur and if there are any unusual chemicals in the fluids (such as acids in coolant water) then please contact us to check the compatibility. If our standard materials aren’t suitable then we can usually supply an alternative which is.

Commission and Installation – When installing your heat exchanger, make sure that correct fittings and pipe work are used. If unsure, please check the Thermex Installation and Operation Manual for details. For heat exchangers on applications which use polluted, shallow or brackish seawater as the coolant and have copper alloy tubes, it is recommended to run the heat exchanger in clean sea water for several weeks first, this creates a protective layer over the tube material which helps to protect against corrosion. More information regarding this subject can be found on www.copper.org. Where possible, filters should also be used where fluids may contain solid particles to prevent tube erosion from occurring.

Regular Maintenance and Servicing – All Thermex shell and tube heat exchangers are designed to allow for easy maintenance and servicing. The end caps can be removed allowing the internal tube bundle to be removed for cleaning. New seal kits can also be provided from stock and are available to purchase on our Web Shop. For information and tips on servicing your heat exchanger, please see the Thermex Installation and Operation Manual.

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