Heat exchanger accessories

Heat exchanger accessories: Hexonic insulation (LB, LC, LM), gaskets and counter flanges

Properly selected heat exchanger accessories are essential for ensuring maximum heat transfer efficiency and protecting the system from heat losses or leaks. In the Amegata range you will find top-quality components adapted to Hexonic heat exchangers as well as Danfoss or Alfa Laval heat exchangers. From specialised polyurethane insulation to durable gaskets, these accessories guarantee the long-term and stable operation of industrial and domestic heating or cooling systems.

Main types of heat exchanger accessories

• Thermal insulation: Popular Hexonic insulation (adapted to the LB, LC and LM series) made of high-quality polyurethane (PU). It encloses the unit and reduces heat losses to a minimum. More in the insulation catalogue and in the heat exchanger accessories article.
• Gaskets: Gasketed heat exchangers need suitable gaskets: EPDM (for hot water, steam), NBR (for oils), FPM/Viton (in aggressive environments).
• Flanged and threaded connections: Ensure a tight connection to the pipework. Danfoss fittings go very well with system automation.

How to choose the right accessories

• Compatibility with the heat exchanger: Check the exact model number (e.g. Hexonic LB31 or Alfa Laval T20).
• Operating environment and temperature: EPDM - for water up to 150 °C; NBR - for oil up to 130 °C; FPM/Viton - in aggressive environments.
• System specification: Choose counter flanges by pipe diameter (DN) and pressure (PN).

Maintenance and repair

Maintaining gasketed heat exchangers requires regular gasket replacement. During servicing it is most convenient to use gasket kits (gasket kits) for Hexonic and Alfa Laval M6, M10 plate heat exchangers. If you are experiencing frequent system faults, read the guide on why heat exchangers fail.

FAQ about heat exchanger accessories

Will Hexonic insulation fit another manufacturer's heat exchanger?
Contact Amegata - we will answer this question quickly, as the answer is individual. Hexonic LB, LC and LM series polyurethane insulation is moulded exactly to the shape of these models and the location of the connections.

How do I know when it is time to replace the gaskets?
Replace them immediately if you notice an external leak through the plate pack, an unusual pressure drop in the system, or mixing of different heat transfer media (domestic hot water and district heating water).

Which gasket material should I choose for a standard heating system?
For standard heating systems the best choice is EPDM gaskets. They are durable and have excellent resistance to hot water and steam.

Not sure which insulation or gasket will suit your equipment? Contact Amegata - we will quickly select the optimal heat exchanger accessories.