Electric Heat Exchanger

Alfa Laval Aalborg EH- W

The Alfa Laval Aalborg EH-W is a flow-through electric heater, ideal for heating technical treated water or available in a design applicable for bilge water. Its heat load capacities range from 15 to 486 kW, with design conditions up to 10 bar(g) and 95°C.

Electric power supply terminals (400/440 V), the safety thermostat and an optional control thermostat are located on the top hood.

The AlfaLaval Aalborg EH-W series of heat exchangers were originally conceived for the marine market, but can easily be applied to land based applications in any industry as it is fully CE/PED compliant.

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

Type

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.

Size

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.

Capacity

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.

Materials

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

Other materials on request.

Application

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.

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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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