Aalborg EH-W

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.

Applications

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.

Fluids

The target fluid is water. Other fluids on request.

Equipment

The shell is fitted with two ½ inch sockets for mounting of safety valve and drain valve. The heater is fitted with a safety thermostat and a sensor pocket at the outlet for the working thermostat. A standard working thermostat with either step or PLC control is available; also, a Solid-State Relay-based control panel with a Pt100 temperature sensor can be supplied.

Approvals

The Aalborg EH series is approved by ABS, BV, CCS, DNV, KR, LRS NKK, RINA, PED.

Delivery

Alfa Laval Aalborg can deliver any Aalborg EH-W series heat exchanger within 7 weeks from receipt of order on FCA Aalborg basis. Emergency deliveries within few days for standard types.

Materials

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

Other materials on request.

Warranty

Alfa Laval Aalborg offers 12 months operating warranty on heat exchangers; maximum warranty is 18 months from time of delivery.