Electric & Hybrid Marine Cooling

The reliable solution for cooling Electric & Hybrid Marine Drive Systems

For over 80 years, Bowman has provided efficient cooling solutions to the marine industry with quality heat exchangers, renowned worldwide for their performance and durability.

Now with the move towards reducing CO² emissions, Bowman is again at the forefront of cooling technology, providing a range of high performance heat exchangers to suit the demands of both electric and hybrid marine drive systems.

Electric Marine Drive Systems
With battery technology constantly improving, electric powered propulsion systems, offering 100 kW and beyond are now a reality for an increasing range of marine applications.

For such applications, cooling requirements can include the battery pack and on board charger (where fitted), AC-DC converter, DC-DC converter, plus the electric drive motor itself.

Hybrid Marine Drive Systems
For hybrid power systems, there may be additional equipment to be cooled, such as the Hybrid Control Unit, the combined Electric Motor/Generator, plus the engine itself.

However, one important issue is the amount of heat generated which must be controlled within pre-determined limits, to ensure the propulsion system operates reliably and efficiently.

As many Electric and Hybrid drive systems are designed to operate with sea water temperatures up to 35⁰C, attention must be paid to the cooling system and here Bowman can provide an efficient, marine specification solution to suit virtually any application.

Proven in ‘leading edge’ electric and hybrid installations

Bowman heat exchangers have successfully completed sea trials with some of the world’s leading manufacturers of electric and hybrid drive systems and are proven to provide an efficient, reliable cooling solution, even when used with sea water of 35⁰C on 100kW plus propulsion systems.

Product Programme
Bowman offer a comprehensive range of marine specification shell and tube heat exchangers and oil coolers. The combination of compact design, for easier integration and ultra-efficient heat transfer performance, have made them the popular choice for OEM’s, system integrators and boat builders.

Easy Product Selection
Finding the right Bowman heat exchanger for your application couldn’t be simpler. Just call our technical sales team on +44 (0) 121 359 5401 and provide them with basic information, including:

  • Heat to be dissipated in kW
  • Water flow rate on l/min
  • Maximum water temperature in ⁰C
  • Cooling water temperature

Our computer aided selection software is available to accurately select the correct heat exchanger for your application.


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Emergency Fire Protection leaflet

Electric & Hybrid Marine Brochure

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Emergency Fire Protection leaflet

Electric & Hybrid Marine Leaflet

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Emergency Fire Protection leaflet

Electric & Hybrid Marine Article

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