Electric Heat Exchanger

Product Benefits

  • Electrical flow through, outflow or immersion heater with stainless elements
  • Its heat load capacities range from 15 to 486 kW, with design conditions up to 10 bar(g) and 95°C.
  • The standard design Aalborg EH-W heater is approved by all major marine classification societies and is
    CE/PED approved.

Technical Data


Electric flow-through heater. Single-pass configuration with quick-change elements (QCE); also available as insert/immersion heater. Can be mounted vertically or horizontally as required.


The Aalborg EH-W (formerly VESTA™ EH-W) series heaters range from Ø150 mm to Ø400 mm shells; standard heating element lengths 1000 mm to 1.200 mm.

Other lengths on request.

Nozzles according to EN 1092-1 or JIS 16K are tailored to customers’ individual requirements.


The heat load ranges from15 kW to 486 kW with a nominal surface load of 10 W/cm2. Any intermediate design is available from the standard range. The EH-W series is designed for 380 – 690 V AC; heating elements are manufactured to suit customer specific power source. Design pressure is 10 bar(g). Design temperature is 95 ºC.


Shell in carbon steel heating elements in stainless steel 1.4404 /AISI 316L

Other materials on request.


The Aalborg EH-W series heat exchangers are primarily used as water heaters in ships. The flexible design makes them well suited for any application where electric power is the cheapest or the only available power source.


C02 Reduction

You can use green electricity for power . i.e if you have wind, solar or tidal power generation on-site, you now have a 100% green heating solution.

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