Aalborg EH-W

The Alfa Laval Aalborg EH-W is a flow-through electric heater, ideal for heating technical treated water. It is also available in a design applicable for bilge water, or as an outflow suction heater or tank-mounted immersion heater. Its heat load capacities range from 15 to 486 kW, with design conditions up to 10 bar(g) and 95°C. The standard Aalborg EH-W heater design is approved by all major marine classification societies and is CE/PED approved.

Aalborg EH-W 630x360

Versatile electric water heater

  • Efficiently heat water or other non-viscous fluids in marine and industrial applications
  • Adapt the heater design to your application using the wide range of customization options
  • Install horizontally or vertically to fit the available space

The Aalborg EH is primarily used as a water heater on marine vessels. It has a flexible shell-and-tube design and is well suited for applications where electric power is the cheapest or only available power source. 

Technical specifications 

Type 

  • Electric flow-through, outflow or immersion heater with stainless steel elements 

Application 

  • Heating of water and non-viscous fluids 

Capacity 

  • Heat load: 15–486 kW 
  • Surface load (nominal): 10 W/cm2 
  • Input power: 380–690 V AC/DC 
  • Heating elements manufactured to suit customer-specific power source 

Materials 

  • Carbon steel with stainless steel elements (other materials on request) 

Design conditions

  • Pressure: 10 bar(g) 
  • Temperature: 95°C 

Installation 

  • Horizontal or vertical 

Size 

  • Shell: Ø150–400 mm 
  • Heating element length: 1000–1200 mm (other lengths on request) 
  • Overall length: 1300–2000 mm 
  • Flanges: JIS 16K or EN1092-1 

Equipment 

  • Two half-inch sockets on shell for mounting of safety valve and drain valve 
  • Safety thermostat  
  • Working thermostat with step or PLC control 
  • Sensor pocket at the outlet for the working thermostat 
  • Accessories (optional): 
  • Safety valve 
  • Drain valve 
  • Pressure gauge 
  • Thermometer 
  • Pt100 sensor 
  • Electronic or mechanical thermostat 

Approvals 

  • ABS 
  • BV 
  • CCS 
  • DNV 
  • KR 
  • LRS  
  • NKK 
  • RINA 
  • PED 

Delivery 

  • Within 7 weeks from receipt of order for all types 
  • Emergency deliveries within a few days for standard types 

Warranty 

  • Operating warranty: 12 months 
  • Maximum warranty: 18 months from time of delivery 

Alfa Laval Marine Service

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Worldwide and 24/7, Alfa Laval Marine Service is your path to greater uptime, optimized performance and true peace of mind. Our network is always on call, and our service offering brings reliability, efficiency and compliance throughout your equipment's lifetime.


Discover our service capabilities

24/7 Service & Support

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Contact us anywhere, anytime:

+46 4636 7700
marine.service@alfalaval.com

 

Our global network of service centres, distribution centres and field service engineers is always ready at assist you.